Stop Islamization of America
Stop Islamization of America is an American counter-jihad organization known for anti-Muslim political advocacy and controversial public-transit advertising campaigns.
Last updated August 25, 2026
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Overview
Stop Islamization of America (SIOA), also operating under the name American Freedom Defense Initiative (AFDI), is a United States-based counter-jihad advocacy organization founded in 2010 by Pamela Geller and Robert Spencer at the request of Anders Gravers Pedersen, the leader of Stop Islamisation of Europe. The group presents itself as a human-rights and civil-liberties organization supporting freedom of speech, freedom of conscience, religious liberty, and equal rights. Its critics, including scholars, religious organizations, news outlets, and hate-group monitoring bodies, characterize it as Islamophobic, extremist, or far-right because of its broad attacks on Islam and its portrayals of Muslims and Islamic institutions as threats to Western societies. SIOA became publicly prominent through provocative advertising in American public-transit systems. In 2010, it campaigned against Park51, a proposed Muslim community center near the World Trade Center site in Lower Manhattan. It also sponsored advertisements claiming to support Muslims who wished to leave Islam, a premise criticized by Muslim civil-rights organizations as a vehicle for anti-Muslim messaging. The organization’s campaigns frequently use highly confrontational language, historical analogies, imagery associated with terrorism, or quotations attributed to jihadist and Islamist organizations. A major legal and political turning point came in 2012, when SIOA sought to place an advertisement in New York City transit facilities stating, in substance, that viewers should support Israel and defeat jihad. The Metropolitan Transportation Authority initially rejected the advertisement, but a federal court held that the message constituted protected political speech. After the transit authority revised its advertising rules, SIOA placed additional advertisements with disclaimers stating that the authority did not endorse the views expressed. Counter-advertising campaigns by religious, interfaith, and civil-rights groups accompanied some of these placements. The organization continued its advertising activity in 2013, 2014, and 2015. Campaigns included an advertisement pairing September 11 imagery with a Quranic quotation, an advertisement juxtaposing Adolf Hitler with Haj Amin al-Husseini, and a billboard using a quotation attributed to Hamas. These efforts generated sustained criticism for conflating Islam, Muslims, Palestinian politics, jihadism, and terrorism. In 2014, a federal appellate decision held that the United States Patent and Trademark Office was not required to register SIOA’s name because the mark could be viewed as disparaging toward American Muslims; the decision was later rendered in the context of the former trademark-disparagement framework. SIOA also organized or supported public events. In May 2015, it hosted an exhibition in Garland, Texas, featuring an international Muhammad-cartoon competition and invited Dutch politician Geert Wilders. Two gunmen inspired by the Islamic State attacked the event, shooting at the facility before being killed by police. A security officer was wounded. The incident brought intense scrutiny to the event’s organizers, security arrangements, and the relationship between provocative anti-Muslim expression and threats of political violence, while SIOA and its supporters emphasized the attackers’ responsibility for the assault. SIOA is closely associated with Geller and Spencer’s broader international counter-jihad network. In 2012, the two helped establish Stop Islamization of Nations with Pedersen and activists from several countries. SIOA’s public identity has therefore combined domestic American advertising, opposition to Muslim institutions and organizations, support for Israel, litigation over expressive rights, and international networking. Its public prominence has been driven more by advocacy campaigns, legal disputes, and controversy than by conventional products or commercial services.
History
Stop Islamization of America was established in 2010 as the American affiliate of the wider Stop Islamisation network associated with Anders Gravers Pedersen. Pamela Geller and Robert Spencer became the organization’s principal public figures and continued to serve as its leaders. From the outset, SIOA combined opposition to what it described as radical Islam with a broader critique of Islamic theology, Muslim institutions, and Muslim political advocacy. This breadth led civil-rights organizations and academic commentators to distinguish SIOA from organizations focused narrowly on violent extremism and to classify it instead as anti-Muslim or Islamophobic. The group’s first major public campaign concerned Park51, a proposed Muslim community center in Lower Manhattan. SIOA opposed the project because of its proximity to the World Trade Center site and used highly charged language to frame it as a symbolic challenge to the United States. During 2010, it also purchased advertisements on buses and in other transit settings. One campaign presented the organization as speaking for Muslims who wished to renounce Islam but feared retaliation. Critics argued that the campaign relied on an unsubstantiated premise and primarily served to stigmatize Islam. In 2011, the Southern Poverty Law Center designated SIOA an anti-Muslim hate group, describing it as a particularly influential producer of anti-Muslim propaganda. The Anti-Defamation League similarly included SIOA in its materials on extremist organizations and argued that the group promoted a conspiratorial account of Islam. Geller and Spencer rejected these characterizations. Their public profile also increased after the 2011 terrorist attacks in Norway, when Anders Behring Breivik cited Spencer’s writings and Geller’s blog in his manifesto. SIOA, Jihad Watch, and Stop Islamisation of Europe issued a joint condemnation of Breivik’s attack, while critics debated whether their material had helped normalize or amplify anti-Muslim propaganda. SIOA’s 2012 transit campaign, which urged support for Israel and opposition to jihad, produced a major constitutional controversy. New York’s Metropolitan Transportation Authority refused the advertisement, but a federal district court ruled that the rejection violated the First Amendment because the advertisement expressed political opinion. The case helped establish access for SIOA’s subsequent campaigns, although transit authorities adopted disclaimers and other policy changes. Interfaith and Jewish organizations sponsored advertisements promoting tolerance or criticizing the language of SIOA’s message, while some commentators defended the campaign as legitimate political expression. The organization continued to use transit advertising as its primary communications instrument. In early 2013, it placed advertisements featuring September 11 imagery and a Quranic quotation. In 2014, it responded to an advertisement by American Muslims for Palestine with a Washington bus advertisement depicting Adolf Hitler and Haj Amin al-Husseini. In 2015, it used a quotation attributed to Hamas in a New York campaign. Each initiative attracted criticism for using historical trauma, antisemitic or extremist imagery, and broad associations between Muslims and violent actors. The campaigns also generated repeated disputes over whether public transit systems could regulate controversial political advertising. A separate legal dispute concerned SIOA’s attempt to register its name as a trademark. In 2014, the United States Court of Appeals for the Federal Circuit held that the Patent and Trademark Office was not required to approve registration under the disparagement provision then contained in trademark law. The ruling was criticized by Geller, who characterized it as politically motivated. Later constitutional developments concerning trademark disparagement rules changed the legal background, but the decision remains part of SIOA’s documented history. In 2015, SIOA organized a Muhammad-cartoon exhibition and contest at the Curtis Culwell Center in Garland, Texas, with Dutch politician Geert Wilders as an invited participant and a stated prize of $10,000 for the winning cartoon. Two gunmen linked by investigators to Islamic State ideology attacked the event. Police killed both men shortly after they opened fire, and a security guard was wounded. SIOA said it had invested in extensive security. The attack made the event a central case in debates over provocative speech, security planning, and the risks faced by organizations deliberately challenging religious taboos. SIOA also participated in international networking. In 2012, Geller, Spencer, and Pedersen helped establish Stop Islamization of Nations, involving activists from North America, Europe, Australia, and other regions. That network organized or supported counter-jihad conferences and connected SIOA’s United States campaigns with a larger international movement. By 2016, SIOA remained active in public advocacy, including San Francisco transit advertisements opposing United States security assistance to the Palestinian National Authority. Its historical significance lies primarily in its influence on anti-Muslim political messaging, its repeated use of public advertising, and the court cases that tested the limits of government regulation of controversial speech.
- 2016
San Francisco transit campaign
[1]SIOA ran advertisements opposing United States security assistance to the Palestinian National Authority.
- 2015
Garland cartoon exhibition attack
[1]An SIOA-hosted event in Garland, Texas, was attacked by two Islamic State-inspired gunmen.
- 2014
Trademark registration dispute
[1]The Federal Circuit held that the USPTO was not required to register SIOA’s name under the then-existing disparagement rule.
- 2012
Transit advertising ruling
[1]A federal court ruled that New York’s transit authority could not reject SIOA’s political advertisement based on its viewpoint.
- 2012
International network expands
[1]Geller, Spencer, and Pedersen helped establish Stop Islamization of Nations.
- 2011
SPLC designation
[1]The Southern Poverty Law Center listed SIOA as an anti-Muslim hate group.
- 2010
Organization founded
[1]Pamela Geller and Robert Spencer founded SIOA as the American affiliate of Stop Islamisation of Europe.
- 2010
Park51 opposition campaign
[1]SIOA mounted a campaign against the proposed Park51 Muslim community center near the World Trade Center site.
Products and positioning
SIOA positions itself as a free-speech, human-rights, and anti-jihad advocacy organization with a strongly pro-Israel orientation. External observers commonly describe it as anti-Muslim, Islamophobic, extremist, or far-right because of its generalized depictions of Islam and Muslims and its confrontational advertising.
Controversies
2015
Garland Muhammad-cartoon event shooting
Two Islamic State-inspired attackers opened fire outside an SIOA-hosted cartoon exhibition in Garland, Texas. Both were killed by police and a security guard was wounded.
2011
Designation as an anti-Muslim hate group
The Southern Poverty Law Center designated SIOA an anti-Muslim hate group, while the organization rejected the designation and disputed the SPLC’s authority.
2011
Connection of leaders’ writings to Breivik manifesto
Media and extremism researchers noted that Anders Behring Breivik cited Robert Spencer’s work and Pamela Geller’s blog in his manifesto. SIOA and allied organizations condemned his attack.
Marketing campaigns
- 2016Palestinian Authority security-assistance campaign
San Francisco
SIOA placed public-transit advertisements calling for the United States to end security assistance to the Palestinian National Authority.
- 2015Hamas quotation billboard campaign
New York City
A billboard used a quotation attributed to Hamas about killing Jews as part of SIOA’s broader anti-jihad messaging.
Outcome. The campaign was permitted after litigation and was criticized as inflammatory and collectively stigmatizing.
- 2014Hitler and Haj Amin al-Husseini advertisement
Washington, D.C.
SIOA used an image of Adolf Hitler with Haj Amin al-Husseini in a response to an advertisement by American Muslims for Palestine.
Outcome. The advertisement generated criticism for its historical framing and its treatment of contemporary Muslim and Palestinian advocacy.
- 2013September 11 and Quran quotation campaign
New York City
Advertisements juxtaposed images of the September 11 attacks with a Quranic quotation concerning terror.
Outcome. The campaign drew criticism for associating Islam broadly with the September 11 attacks and appeared under revised transit advertising rules.
- 2012Support Israel and defeat jihad transit campaign
New York City · Washington, D.C. · Chicago
SIOA sponsored advertisements urging support for Israel and opposition to jihad, using language contrasting a civilized man with a savage.
Outcome. A court ordered New York transit officials to permit the advertisement, while several religious and interfaith groups placed counter-messages.
- 2010Park51 opposition campaign
New York City
SIOA opposed the proposed Muslim community center near the World Trade Center site and encouraged public resistance to its construction.
Outcome. The campaign helped make SIOA a nationally visible anti-Muslim advocacy group and intensified public debate over the project.
- 2010Muslims leaving Islam transit advertisements
New York City · United States
Bus advertisements presented SIOA as supporting Muslims who wanted to leave Islam but allegedly feared violence or social retaliation.
Outcome. Muslim civil-rights organizations criticized the premise and argued that the campaign functioned as anti-Muslim messaging.
Brand decisions
2015
Host a Muhammad-cartoon exhibition in GarlandOtherBackground
SIOA promoted an event intended to challenge what it described as restrictions on depicting Muhammad and invited Geert Wilders.
Action taken
The organization held a cartoon exhibition and contest at the Curtis Culwell Center with a stated $10,000 prize.
Aftermath
Two Islamic State-inspired gunmen attacked the event, prompting renewed debate about provocative expression, security, and political violence.
2012
Use litigation to secure access to public-transit advertisingStrategyBackground
The Metropolitan Transportation Authority initially rejected an SIOA advertisement because of its message.
Action taken
SIOA pursued a First Amendment challenge to the rejection.
Aftermath
A federal court treated the advertisement as protected political speech, and the transit authority changed its advertising framework and used disclaimers.
2012
Create an international counter-jihad organizationStrategyBackground
SIOA’s leaders were already connected to Stop Islamisation of Europe and sought a broader international structure.
Action taken
Pamela Geller, Robert Spencer, and Anders Gravers Pedersen helped establish Stop Islamization of Nations.
Aftermath
The network supported international conferences and connected American campaigns with activists in Europe, Australia, Canada, and other countries.
Recent events
- 2016
SIOA runs San Francisco transit campaign concerning Palestinian Authority assistance[1]
Campaign
The organization sponsored public-transit advertisements in San Francisco calling for an end to United States security assistance to the Palestinian National Authority.
- 2014
Federal appellate court rejects compulsory trademark registration[1]
Lawsuit
The Federal Circuit held that the Patent and Trademark Office was not required to register SIOA’s name because it could be considered disparaging toward American Muslims under the law then in force.
- 2013
SIOA places September 11-themed subway advertisements[1]
Campaign
The organization placed advertisements in New York transit facilities pairing images of the September 11 attacks with a Quranic quotation, under revised transit advertising rules.
- 2012
New York transit advertising dispute becomes a free-speech case[1]
Lawsuit · Campaign
A federal judge ruled that New York’s transit authority could not reject one of SIOA’s advertisements solely because of its political viewpoint, treating the message as protected political speech.
- 2010
SIOA launches opposition to the Park51 Muslim community center[1]
Campaign
The organization campaigned against the proposed Cordoba House, later known as Park51, near the World Trade Center site in Lower Manhattan.
Sources2 sources
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