The Case Against Stephen Sizer: Christian Zionism’s Fiercest Critic and His Antisemitism Ban

Why This Article Exists

Among the advocates of Replacement Theology, no single figure has done more to weaponize that doctrine against the Jewish people and the State of Israel than the Reverend Dr. Stephen Sizer — formerly the Anglican vicar of Christ Church, Virginia Water, in Surrey, England, and a prolific academic author whose books and lectures have been widely distributed in Christian circles across the English-speaking world and beyond.

In the Replacement Theology Debunked article on this site, we noted that advocates of Replacement Theology such as Stephen Sizer insist Israel has no place in God’s redemptive plan — that the Jewish people are subject only to the curses and punishment resulting from their rejection of Yeshua Ha’Mashiach. That is Sizer’s stated theological position, and he has advanced it relentlessly for over two decades. This article is not a theological rebuttal of Replacement Theology — those articles exist elsewhere on this site. This article is a documented examination of Stephen Sizer himself: who he is, what he has written, what he has done, and what the Church of England’s own disciplinary process ultimately concluded about him.

Christians Standing With Israel does not name Stephen Sizer to engage in personal animosity. We name him because intellectual honesty requires it. A doctrine must be measured not only by its stated arguments but by the trajectory of those who hold it most consistently and most publicly. Sizer is the most prominent academic champion of anti-Christian Zionism theology in the English-speaking world. His career and its documented consequences are therefore a legitimate and necessary part of any serious conversation about Replacement Theology and what it produces.

A word of care is owed at the outset. To examine a man’s public record is not to claim knowledge of his heart, and nothing in this article should be read as a verdict on Stephen Sizer’s soul, which belongs to God alone. He has professed faith in Christ; he has done work he believed to be righteous; he has, since the judgment against him, apologized for the conduct the Tribunal found most serious. Those facts belong in the account as much as any other. What this article documents is not the state of a man’s heart but the content of a public record — his published writings, his attested conduct, and the formal conclusions of an institution that examined both. On that record, and that record alone, the case rests.

There is also a reason this particular record deserves careful preservation. Public memory is short, and a figure who spent twenty years building a platform can, after a fall, be quietly rehabilitated if the documented facts are allowed to fade. The friends of Israel have a responsibility to ensure that the record remains accessible, accurate, and fair — neither softened by the passage of time nor inflated beyond what the evidence supports. That is the spirit in which the following account is offered.

Who Is Stephen Sizer?

Stephen Sizer was born in Lowestoft, England, in 1953. He came to faith through the Anglican tradition and eventually completed a PhD on the subject of Christian Zionism, positioning himself as its leading academic opponent within mainstream British Christianity. From 1997 to 2017 he served as the vicar of Christ Church, Virginia Water — a respectable Anglican parish in Surrey — while simultaneously building an international platform as a conference speaker, author, and media figure devoted almost entirely to the criticism of Christian Zionism and the State of Israel.

He authored two widely distributed books on the subject: Christian Zionism: Road Map to Armageddon (2004) and Zion’s Christian Soldiers (2007). Both present Christian Zionism as a dangerous theological and political phenomenon that, in Sizer’s framework, distorts Scripture and causes geopolitical harm by providing religious cover for Israeli policies. In Zion’s Christian Soldiers, Sizer wrote that it is “irresponsible to believe that God will bless Christians materially if they support the largely secular State of Israel.”

That single sentence encapsulates his position. The promise of Genesis 12:3 — “I will bless those who bless you, and I will curse those who curse you” — does not apply, in Sizer’s theology, to the modern State of Israel. The God of the Bible, in Sizer’s reading, has no present or future covenantal interest in the Jewish nation. Christians who support Israel are not acting on a biblical mandate. They are, in his word, being irresponsible. This is Replacement Theology at its most direct: the covenant promises cancelled, the blessing guarantee revoked, the divine interest in the Jewish state dismissed as theologically baseless.

It is worth understanding the structure of Sizer’s argument, because it is more sophisticated than a simple denial of prophecy. His first book, Christian Zionism: Road Map to Armageddon, sought to trace the movement’s history and to portray it as a relatively modern theological innovation rather than the historic faith of the Church — the implication being that Christian support for Israel rests on a recent and mistaken reading of Scripture. His second book pressed the practical consequences, arguing that this theology produces uncritical political support for the State of Israel and thereby, in his telling, contributes to injustice. The rhetorical effect of the two works together is to reframe the friend of Israel not as one who takes God at His word, but as the dupe of a dangerous ideology. This is the intellectual scaffolding on which two decades of activity would be built.

For many years, this scaffolding gave Sizer a measure of academic respectability. He held a doctorate on the subject. He spoke at conferences, addressed church groups, and was cited in academic and journalistic discussions of Christian Zionism as though he were a neutral scholarly authority. It is precisely because he occupied that position of apparent credibility — an ordained minister, a published academic, a parish vicar in good standing — that the documented record of his conduct matters so much. The question is not whether a fringe figure held offensive views. It is how a man presenting himself as a responsible mainstream theologian came, over two decades, to compile the record that the Church of England would ultimately examine and condemn.

The Documented Record: A Chronology of Antisemitism

What distinguishes Stephen Sizer from other critics of Christian Zionism is not merely the forcefulness of his theological arguments. It is the documented, institutionally verified pattern of conduct that accompanied those arguments over the course of more than two decades — a pattern that the Church of England’s own disciplinary process ultimately found to constitute antisemitic activity.

The record is extensive. The following is a factual chronology, drawn from publicly available sources including Church of England tribunal documents, statements from the Archbishop of Canterbury, and reporting by Jewish and mainstream media organizations.

2005 — The Islamic Human Rights Commission Conference

In 2005, Sizer participated in a conference organized by the Islamic Human Rights Commission entitled “Towards a New Liberation Theology.” The Bishop’s Disciplinary Tribunal that later examined his conduct found that his participation in this conference “provoked and offended members of the Jewish community.” This is Allegation A in the formal proceedings — one of the four charges ultimately upheld by the Tribunal.

2006 — Secret Meeting with a Hezbollah Commander

In 2006, while still serving as the vicar of Christ Church Virginia Water, Stephen Sizer traveled to Lebanon and met with Sheikh Nabil Kaouk — described in official proceedings as a “senior commander of Hezbollah forces” — at a secret location in or near Tyre. Sizer insisted he did not instigate the meeting. The Tribunal examined this conduct and found it “unacceptable” for an ordained minister, ruling that it “provoked and offended the Jewish community.” This meeting constituted another of the four charges ultimately proved against him.

Hezbollah is a designated terrorist organization. It is explicitly committed to the destruction of the State of Israel. Its military wing has been responsible for the deaths of hundreds of Jewish civilians. A Christian minister who travels to Lebanon for a covert meeting with a senior Hezbollah commander is not, by any reasonable measure, engaged in neutral academic inquiry. He is lending the credibility of his clerical office to one of Israel’s most violent enemies.

2012 — First Formal Complaint by the Board of Deputies

In 2012, the Board of Deputies of British Jews — the representative body of the British Jewish community, founded in 1760 — filed a formal complaint against Sizer with the Church of England, citing antisemitic statements and links to antisemitic websites. The matter was resolved through a conciliation agreement in which Sizer agreed to have his online activity monitored. He did not receive a formal penalty at this stage. He would not maintain the commitments he made.

The 2012 episode is notable for a detail that has been widely reported: the intervention of Jeremy Corbyn, then a backbench Labour Member of Parliament and later the leader of the Labour Party. Corbyn wrote to Sizer’s bishop describing the offending link as a “technical oversight” and characterizing those who criticized Sizer as politically motivated and “intent on discrediting the excellent work” he did. The episode foreshadowed the way Sizer’s conduct would, again and again, be defended as mere political criticism unfairly recast as bigotry — a defense the Church of England’s own tribunal would, a decade later, examine in detail and ultimately reject on the specific charges it found proved.

What the conciliation agreement revealed, in hindsight, was a pattern: a serious complaint, a negotiated undertaking to do better, an apology or explanation — and then, in time, a return to the same conduct. The agreement of 2012 did not hold. The behavior continued, and within three years would produce the single most damaging item in the entire record.

2014 — Platform with a Holocaust Denier in Iran

In 2014, Sizer traveled to Iran to participate in an anti-Israel conference. At this conference, he shared a platform with Fredrick Toben — a Holocaust denier who had been imprisoned in Germany in 1999 for denying the Holocaust and was arrested at Heathrow Airport in 2008 on a European Arrest Warrant related to the same offenses. The presence of an ordained Church of England minister on the same platform as a convicted Holocaust denier, at a conference held in Iran — a country whose government has publicly called for Israel’s annihilation — is not a matter of interpretation. It is a matter of public record. The Tribunal found that this conduct formed part of the proved case against him.

The event in question has been reported as the “New Horizon” conference in Tehran, an Iranian state-linked gathering at which 9/11 conspiracy theories and Holocaust revisionism were openly on the agenda, with session titles addressing supposed “Zionist fingerprints” on the 9/11 attacks. Sizer maintained afterward that he had attended as an “ambassador for reconciliation,” that the conference was anti-Zionist rather than antisemitic, and that he disagreed with much of what was said there. Whatever his stated intentions, the optics and the substance were the same: a serving Anglican minister lending his presence, and the dignity of his office, to a hate-saturated event hosted by a regime openly dedicated to the destruction of the Jewish state. The monitor of his prior conciliation agreement publicly questioned whether attending such an event was compatible with the undertakings he had given only shortly before.

January 2015 — The 9/11 Facebook Post

In January 2015, Stephen Sizer posted a link on his Facebook page to an article titled “9/11 — Israel Did It.” The Tribunal later described the article as “virulently antisemitic in its content.” In posting it, the Tribunal found, Sizer “engaged in antisemitic activity.” This is among the four charges proved against him and is perhaps the single most damning piece of documented evidence in the entire case.

When challenged at the time, Sizer stated that the conspiracy theory “deserved to be considered.” In his formal apology after the penalty judgment in January 2023, he acknowledged: “I am particularly sorry that I posted a link on Facebook in January 2015 to an article blaming Israel for 9/11, and repeat my apology for the deep hurt that my conduct caused.” It is worth noting that this was not a momentary lapse. A footnote in his 2004 book had previously suggested similar sentiments. The Facebook post was the public surfacing of a private disposition.

Following the 2015 post, Sizer was banned from using social media for a period by his diocese. The 2012 conciliation agreement — under which he had pledged to exercise restraint — had evidently meant little in practice.

2017 — Retirement and the Peacemaker Trust

In 2017, Sizer retired from parish ministry at Christ Church Virginia Water. He relocated to the Southampton area and established a new charity called “Peacemaker Trust.” However, as all retired Anglican vicars remain subject to episcopal discipline, he retained his Permission to Officiate — the license permitting him to preach and lead services in the Church of England. This license would subsequently be suspended.

2018 — Third Board of Deputies Complaint and Suspension

In 2018, the Board of Deputies, under its President Marie van der Zyl, filed a third formal complaint against Sizer — this time with the Bishop of Winchester, in whose diocese Sizer now resided. The breadth and persistence of the conduct alleged left the Bishop with no choice: Sizer’s Permission to Officiate was suspended pending investigation. He would remain suspended until the Tribunal reached its final conclusions four years later.

The Church of England Tribunal

The Proceedings

The formal disciplinary proceedings against Sizer were held under the Clergy Disciplinary Measure 2003, the Church of England’s statutory framework for investigating and adjudicating clergy misconduct. At Sizer’s own request, the hearing was conducted in public — a choice that gave the proceedings full transparency and allowed the public record to speak for itself.

The Tribunal sat in May 2022 at St Andrew’s Courtroom in central London. It consisted of a legally qualified chair (a judge), three clergy members, and one lay member — five independent adjudicators. The Board of Deputies presented evidence in support of eleven separate allegations of antisemitic activity spanning the period from 2005 to 2018. Sizer was represented and had full opportunity to respond to each allegation. He strongly denied being antisemitic throughout the proceedings.

The Verdict — December 2022

The Tribunal’s verdict was delivered on 6 December 2022. The conclusions were unambiguous. Four of the eleven allegations were found proved. The Tribunal determined that Sizer’s conduct had been “unbecoming to the office and work of a clerk in Holy Orders” in that he had “provoked and offended the Jewish community” and had “engaged in antisemitic activity.”

The Tribunal also noted, pointedly, that Sizer had been “disingenuous with his answers” during the proceedings — a finding that speaks not only to his conduct in the matters alleged but to the honesty with which he engaged the disciplinary process itself.

The four proved charges were:

First, his participation in the 2005 Islamic Human Rights Commission conference. Second, his secret 2006 meeting with Hezbollah commander Sheikh Nabil Kaouk. Third, conduct related to his participation in the 2014 Iran conference alongside Holocaust denier Fredrick Toben. Fourth, his 2015 posting of the “9/11 — Israel Did It” article, which the Tribunal described as “virulently antisemitic in its content.”

The Penalty — January 2023

The penalty judgment was handed down on 30 January 2023 in London. The Tribunal’s unanimous conclusion was that Sizer should be prohibited from licensed ministry in the Church of England for a period of twelve years. Because he had already been suspended since 2018, that suspension counted toward the sentence. The effective date of his ban’s expiry is December 2030.

The Statements That Followed

The most significant institutional response came from the highest clerical official in the Anglican Communion. The Most Reverend Justin Welby, Archbishop of Canterbury, issued the following statement:

Marie van der Zyl, President of the Board of Deputies of British Jews — the woman who had filed the 2018 complaint that initiated the formal proceedings — stated: “I am pleased that the tribunal has made an unambiguous statement in banning Stephen Sizer, who indulged in ‘antisemitic activity’ and caused grievous offence to the Jewish community over a number of years. I am grateful to the tribunal for hearing our evidence and look forward to a continued strong and close relationship with the Church of England in the coming years.”

The Acting Bishop of Winchester, the Rt Reverend Debbie Sellin — in whose diocese Sizer resided and under whose jurisdiction the complaint had been filed — stated that it is the Church of England’s task “to lead in the work of enabling mutual understanding and strong, peaceable inter-faith relationships for the common good of society,” and that its ministers must take their responsibilities in that regard with the utmost seriousness.

Sizer’s Response

In his formal apology following the penalty judgment, Sizer stated: “I accept those conclusions and the criticisms of my conduct, and apologize unreservedly for the hurt and offense caused. As I said at the time, I am particularly sorry that I posted a link on Facebook in January 2015 to an article blaming Israel for 9/11, and repeat my apology for the deep hurt that my conduct caused.”

Before and during the proceedings, Sizer maintained that he had been the target of “a ten-year campaign of intimidation and harassment” and that his views had been “routinely misrepresented and distorted.” He repeatedly and emphatically denied being antisemitic. The Tribunal, having examined the evidence, having heard from both sides, and having heard from Sizer himself, disagreed. It found not merely that his conduct was unfortunate or unwise, but that it constituted antisemitic activity — and that he had been disingenuous in the way he answered questions about it.

The Pattern Behind the Posts

It is important to be precise about what was and was not found, because precision is what separates a fair account from a smear, and the case against Sizer is strong enough that it requires no exaggeration. The Tribunal did not rule that all criticism of Israel is antisemitic. It did not rule that opposition to Christian Zionism is, in itself, a form of bigotry. It did not even uphold all eleven of the allegations brought against him; seven were not found proved. A serious treatment of the matter must say so plainly.

What the Tribunal found was narrower and, for that reason, more damning. It found that on specific, documented occasions, Sizer crossed the line that separates political argument from antisemitism — most unmistakably when he promoted an article asserting that Israel was responsible for the September 11 attacks. That claim is not a critique of a government’s policy. It is a classic antisemitic conspiracy trope, one that recasts a mass-casualty terrorist atrocity as a secret Jewish plot. The distinction matters enormously. A person may argue about settlements, borders, or military operations and remain entirely within the bounds of legitimate debate. A person who circulates the claim that the Jews orchestrated 9/11 has left that territory altogether. The Tribunal’s judgment turned precisely on conduct of the latter kind.

This is why the “he was only criticizing Israel” defense, repeatedly offered on Sizer’s behalf over the years, ultimately failed. The defense conflates two different things. There is a vast and legitimate space for disagreement about the policies of any state, Israel included; people of good faith occupy every corner of it. But the items that the Church of England found proved were not located in that space. A secret meeting with a senior commander of a terrorist organization sworn to Israel’s destruction; a shared platform with a convicted Holocaust denier at a conference in Tehran; the circulation of a 9/11 blood-libel for the modern age — these are not data points on the spectrum of reasonable political opinion. They are the very things the spectrum excludes. The tragedy of Sizer’s career is that he appears never to have accepted that there was a line at all, and so kept stepping over it until an institution he had served for decades was compelled to act.

It should be said, in fairness, that Sizer has his defenders, and that he himself has insisted throughout that no statement of his was ever shown to be antisemitic in so many words. His supporters point to his decades of advocacy on behalf of Palestinians and frame the entire disciplinary process as politically driven. Readers are free to weigh those arguments. But the relevant adjudication has already taken place, conducted not by partisans on either side but by an independent ecclesiastical tribunal of five members, in public, at Sizer’s own request, with full opportunity for his defense. That tribunal reached a unanimous conclusion on the penalty and an unambiguous one on the facts. Whatever one’s sympathies, the finding stands on the public record.

There is a further reason the distinction between criticism and conspiracy is worth defending so carefully, and it cuts in Israel’s favor rather than against it. When the line is blurred — when every criticism of Israeli policy is branded antisemitism, or conversely when genuine antisemitism is excused as mere criticism — the word itself loses its meaning, and real bigotry gains cover. The Sizer tribunal did the opposite. By upholding only the charges the evidence supported and rejecting the rest, it modeled exactly the discipline that the subject demands: it distinguished the political from the bigoted, and then named the bigoted for what it was. That is the right way to fight antisemitism, and it is the reason the verdict has held up under scrutiny rather than collapsing into the accusation of a witch-hunt. The friends of Israel do their cause no favors by crying antisemitism at every disagreement; they serve it best, as the tribunal did, by drawing the line exactly where the evidence draws it — and then holding it without apology.

The Significance of a Public Tribunal

It would be easy to treat the Sizer case as the isolated downfall of one man. That would miss its larger significance. The disciplinary process that examined his conduct was, by the account of those involved, a landmark proceeding — among the first of its kind in which a Church of England tribunal sat in public to adjudicate formal allegations of antisemitic activity against one of its own ministers. That alone makes the case a marker in the modern relationship between the institutional Church and the Jewish community.

Consider what the proceeding required. A representative body of the Jewish community had to be willing to pursue a complaint for more than a decade, across multiple bishops and two dioceses, in the face of repeated conciliations and a determined defense. The Church of England had to be willing to subject one of its own to a public, judicial-style examination, knowing the result would be reported around the world. And five independent adjudicators had to weigh eleven allegations, uphold only those the evidence supported, and impose a penalty one step short of the most severe available to them — prohibition for life. The system, in other words, did not rush to judgment. It moved slowly, tested each claim, and convicted on four. That restraint is itself part of why the verdict carries the weight it does.

The response of the Church’s most senior figures underscored the point. When the Archbishop of Canterbury himself states that a minister’s behavior has “undermined Christian-Jewish relations” and given “encouragement to conspiracy theories and tropes that have no place in public Christian ministry,” the institution is not merely disciplining an individual. It is publicly disowning a posture — the posture of contempt toward the Jewish people that has shadowed Christian history for nearly two thousand years. For a Church that, in earlier centuries, helped manufacture that contempt, a public verdict against it is a notable act of repentance, however partial and however late.

For the friends of Israel, the case offers a sober encouragement. It demonstrates that the documented record can still be made to matter; that persistence in the face of repeated deflection can still produce accountability; and that even within institutions long shaped by Replacement Theology, the conscience can still be stirred to say that some things are beyond the pale. The verdict did not undo the harm of Sizer’s decades of activity. But it drew, in public and on the record, a line that the modern Church was willing to defend.

There is one more dimension worth naming. Because the hearing was public — at Sizer’s own request — the documentary record it produced is now permanent and accessible. Future historians of Christian-Jewish relations will not have to rely on rumor or partisan characterization; they will have the findings of a formal tribunal, the statements of the Archbishop and the bishops, and the responses of the Jewish community’s own representative body. In an age when reputations are remade and inconvenient facts are quietly buried, that permanence is no small thing. The case against Stephen Sizer is not a matter of one ministry’s opinion or one website’s polemic. It is a matter of institutional record, established through due process, and available for anyone who cares to examine it. That is precisely why it can be set down here with confidence, and why it will remain worth setting down for as long as the questions it raises endure.

The Theological Connection: Where Replacement Theology Leads

Stephen Sizer’s defenders will point out that four of eleven charges were proven, not all eleven — and that the Tribunal did not declare him antisemitic by nature or in totality. This is technically correct and entirely beside the point. Four proved charges of antisemitic activity are four too many for a man who spent two decades presenting himself to the global Christian community as a credible, responsible theological voice on the subject of Israel.

But there is a deeper point that transcends Sizer’s personal record. The trajectory of his career is not an accident or an anomaly. It is the logical destination of a theology that begins by cancelling God’s covenant with the Jewish people. When a theological framework positions the Jewish nation as permanently rejected, covenantally displaced, and bearing only curses from a God who has moved on to a new chosen people — it removes the Scriptural foundation for treating the Jewish people with the dignity that God’s own Word demands. It does not inevitably produce the behaviors documented in Sizer’s case. But it creates the soil in which those behaviors grow without check — because within the framework of Replacement Theology, there is no theological imperative to stand with the Jewish people, and very little theological resistance to standing against them.

This is not speculation. It is the lesson of Church history across nearly two thousand years. The theology that declared Israel replaced, rejected, and cursed provided the intellectual cover for every subsequent act of Christian antisemitism from the Crusades to the Holocaust. Sizer did not invent this trajectory. He simply walked it, in the full view of the modern world, with a publicly documented record that the Church of England ultimately could not ignore.

It is worth stating clearly what is and is not being claimed. Not every person who holds to Replacement Theology will travel the road Sizer travelled; most never will, and many who hold the doctrine would be appalled by his documented conduct. The claim is not that the theology mechanically produces such behavior. The claim is that it removes the guardrails. A believer who knows that God’s covenant with Israel is everlasting and His calling irrevocable carries within him a permanent check against contempt for the Jewish people — a theological reason to bless rather than curse, to stand with rather than against. Strip that conviction away, teach instead that the Jewish people are a rejected and superseded nation bearing only curses, and the check is gone. What remains is a theology with nothing built into it to resist the very contempt that history has shown it can breed.

That is the deepest lesson of the Sizer case for the Church. The question it presses upon every believer is not merely “what do you think of this one man?” It is “what does your theology of Israel leave you free to do?” A theology that leaves a minister free to meet covertly with Israel’s sworn enemies, to share a stage with those who deny the Holocaust, and to circulate the lie that the Jews engineered 9/11 — all while believing himself a faithful servant of God — is a theology that has gone badly wrong at the root. The friends of Israel propose a better one: that the God who called Abraham has not changed His mind, that His promises stand, and that to honor them is not irresponsible but obedient.

The God of the Bible — the God whose gifts and calling are irrevocable (Romans 11:29), whose covenant is everlasting (Genesis 17:7), whose promise to Abraham has not expired — is not the God of Replacement Theology. And Stephen Sizer’s twelve-year ban from Anglican ministry is, in its own institutional way, a small but official declaration that the theology he advanced and the conduct it accompanied have no place in the ministry of the Church of Jesus Christ — who was, is, and will always be, the Jewish Messiah. The friends of Israel did not write this verdict; the Church of England did. This article has only set it down, plainly and on the record, so that it will not be forgotten, and so that the lesson it teaches will not be lost on the Church that needs most to learn it.