Robert Mercer

Robert Mercer
Born	(1946-07-11) July 11, 1946 New Mexico, U.S.
Occupation(s)	Hedge fund executive, computer scientist, political contributor
Known for	Co-CEO of Renaissance Technologies; political funding including Brexit and 2016 U.S. election campaigns

Robert Leroy Mercer (born July 11, 1946) is an American figure known for his roles as a hedge fund executive, computer scientist, and political contributor. He was among the pioneers in artificial intelligence research and formerly served as co-chief executive officer of the hedge fund Renaissance Technologies.

Mercer became a contentious figure during the Brexit referendum, where his data analytics and machine learning firm, AggregateIQ, received £3.9 million in funding under the direction of Dominic Cummings. Additionally, he has been a significant financier of conservative political initiatives in the United States, supporting entities such as Breitbart News, the now-defunct Cambridge Analytica, and Donald Trump's 2016 presidential bid. He is also the primary backer of the Make America Number 1 super PAC.

In November 2017, Mercer declared his intention to resign from Renaissance Technologies and transfer his ownership stake in Breitbart News to his daughters. Prior to its closure in 2018, he held majority ownership of SCL Group, a company specializing in global election management. In 2021, Mercer, alongside James Simons and other executives from Renaissance, faced an order to pay up to $7 billion in back taxes to the IRS, marking one of the most substantial tax settlements recorded in U.S. history.

Early life and education

Raised in New Mexico, Mercer developed an early fascination with computing. In 1964, he attended the National Youth Science Camp, where he learned programming on an IBM computer donated for educational use. He earned his bachelor's degrees in physics and mathematics from the University of New Mexico, simultaneously working at the Air Force Weapons Laboratory developing software. Mercer later reflected on this government research role as giving him a somewhat skeptical perspective. He went on to earn a doctorate in computer science from the University of Illinois at Urbana–Champaign in 1972.

Career

In 1972, Mercer joined IBM Research at the Thomas J. Watson Research Center, where he contributed to advancements such as Brown clustering, a statistical method applied to machine translation within a speech recognition project led by Frederick Jelinek and Lalit Bahl. His work also encompassed IBM alignment models. For his significant achievements, Mercer was honored with the Association for Computational Linguistics Lifetime Achievement Award in 2014.

Mercer entered hedge fund management in 1993 when executive Nick Patterson recruited him to join Renaissance Technologies. Founded by mathematician James Harris Simons, Renaissance distinguished itself by employing scientists rather than conventional finance professionals. Following Simons' retirement in 2009, Mercer and former IBM colleague Peter Brown assumed co-CEO roles. Renaissance’s flagship Medallion fund recorded average annual returns of 39% between 1989 and 2006.

A bipartisan Senate committee report in 2014 estimated that Medallion investors had underpaid taxes by $6.8 billion over more than ten years through reclassifying short-term gains as long-term capital gains. That year, Renaissance managed assets totaling $25 billion. Amid controversy surrounding his political involvement, Mercer resigned from Renaissance Technologies in November 2017.

Mercer appears in the Paradise Papers as a director of eight Bermuda-registered companies, some reportedly utilized for lawful U.S. tax minimization strategies.

Political involvement and perspectives

In 2015, The Washington Post identified Mercer as one of the top ten most politically influential billionaires. Since 2006, he has contributed nearly $34.9 million to Republican campaigns. His donations include $750,000 to the Club for Growth, $2 million to American Crossroads, and $2.5 million to Freedom Partners Action Fund. In 2010, Mercer supported biochemist Art Robinson in his unsuccessful congressional run in Oregon. During the 2013-2014 election cycle, he ranked as the fourth-largest individual donor overall and second among Republicans.

After the 2010 Citizens United v. FEC ruling, Mercer became part of the conservative donor network associated with the Koch brothers, but later founded the Mercer Family Foundation, administered by his daughter Rebekah, which funds a range of conservative initiatives.

Mercer’s financial support extends to organizations such as The Heritage Foundation, the Cato Institute, the Media Research Center, Reclaim New York, GAI, and Citizens for Self-Governance. In 2013, he commissioned polling research from former Jimmy Carter strategist Patrick Caddell that highlighted voter dissatisfaction with mainstream political parties.

He was the chief financier behind the 2015 Jackson Hole Summit advocating a reinstatement of the gold standard. Additionally, Mercer has backed groups including Doctors for Disaster Preparedness, legal challenges to environmental regulations in Idaho, a campaign promoting the death penalty in Nebraska, and advertisements opposing the "ground-zero mosque."

According to Bloomberg associates, Mercer expresses concerns that government intervention threatens U.S. monetary and banking stability. He is a significant contributor to Breitbart News, having donated at least $10 million. In 2015, Mercer gave $400,000 to Black Americans for a Better Future, a conservative think tank led by Raynard Jackson, with further donations totaling $87,100 since 2017.

Brexit

Mercer played an influential role in advocating for the United Kingdom’s exit from the European Union (Brexit). Andy Wigmore, communications director of Leave.EU, indicated that Mercer provided Nigel Farage—the leader of the UK Independence Party (UKIP)—with access to data analytics services from Cambridge Analytica. This firm utilized Facebook data to deliver targeted messaging designed to persuade voters in favor of Brexit.

Cambridge Analytica reportedly maintained undisclosed connections with Canadian digital firm AggregateIQ, which was instrumental in Dominic Cummings' Vote Leave campaign. Vote Leave reportedly deployed around one billion targeted advertisements before the referendum, breaching established electoral regulations. Neither Vote Leave nor Leave.EU disclosed these contributions to the UK Electoral Commission, which mandates reporting donations exceeding £7,500. In 2018, Vote Leave was found guilty by the Electoral Commission of violating election laws.

2016 U.S. election

During the 2016 U.S. elections, Mercer emerged as one of the largest financial backers, donating $22.5 million to Republican candidates and political action committees. He was a key supporter of Ted Cruz’s presidential campaign in 2016, contributing $11 million to an affiliated super PAC. Mercer also provided backing for Donald Trump’s presidential run that year.

Together with his daughter Rebekah, Mercer played a role in placing Steve Bannon and Kellyanne Conway into senior positions within Trump’s campaign team. Rebekah collaborated with Conway on Cruz's super PAC Keep the Promise during the Republican primaries. Mercer funded the Make America Number One super PAC that supported Trump’s candidacy. A former associate remarked in 2017 that without Mercer’s financial support, Trump’s victory would have been unlikely.

JD Vance

The Mercer family contributed an undisclosed sum to the super PAC Protect Ohio Values, which supported JD Vance during his 2022 Senate campaign in Ohio. After Mercer’s earlier support of Parler in 2018, Vance—who founded Narya Capital—reportedly provided guidance to Mercer’s daughter Bekah regarding Parler. Following his graduation from law school in 2013, Vance joined Peter Thiel’s venture capital firm, Mithril Capital Management. Thiel, together with Scott Dorsey, Eric Schmidt, and Marc Andreessen, financially backed Vance’s firm Narya Capital, which he co-established with Colin Greenspon in 2019. The company was headquartered in Cincinnati and based in Columbus, with the goal of opposing "woke capital," but it was ultimately closed by Delaware regulators in April 2021.

By June 2024, Narya Capital had stakes in at least 19 companies, including the real estate software firm ValueBase; AcreTrader, a farmland real estate investment platform; Rumble, a rapidly expanding video platform overseen by partner Ethan Fallang; insurtech company Branch; and True Anomaly, an aerospace startup associated with Jonathan Lacoste of Space.VC. Additionally, Peter Thiel invested $10 million into the super PAC backing Vance’s 2022 Senate bid against Tim Ryan.

On July 15, 2024, during the opening day of the 2024 Republican National Convention, former President Donald Trump revealed J.D. Vance as his vice-presidential pick for the 2024 presidential race.

Race relations

Mercer has publicly criticized the Civil Rights Act of 1964, describing it as a significant error. In a 2017 lawsuit filed by former Renaissance employee David Magerman, Mercer was accused of stating that African Americans were economically better off prior to the civil rights era, that white racists no longer existed in America, and that the remaining racists were mostly black.

In popular culture

In the 2019 drama Brexit: The Uncivil War, produced by HBO and Channel 4, Mercer was portrayed by actor Aden Gillett.

Personal life

Mercer and his wife Diana Lynne Dean have three daughters: Jennifer ("Jenji"), Rebekah ("Bekah"), who oversees the Mercer Family Foundation, and Heather Sue. The sisters previously operated a bakery named Ruby et Violette.

An enthusiastic poker player, Mercer also collects HO scale model trains. In 2009, he filed a lawsuit against RailDreams Custom Model Railroad Design for allegedly charging him $2 million more than agreed.

He lives at his mansion called "Owl's Nest" located in Head of the Harbor, New York, and has commissioned several yachts named Sea Owl, the newest being 203 feet long and featuring luxury amenities such as a pirate-themed playroom and a Venetian glass chandelier.

In Florida, Mercer established an extensive stable and equestrian center. He also owns one of the largest collections of machine guns and historic firearms in the United States, including a firearm used by Arnold Schwarzenegger in The Terminator.

In 2013, Mercer was sued by household employees over unpaid wages and overtime; this dispute was eventually resolved through settlement.

Mercer’s net worth is estimated to be in the hundreds of millions, although some sources categorize him as a billionaire.

External links

• Mider, Zachary (March 28, 2018). "The Hidden Role of Robert Mercer as a New Mexico Police Officer" Bloomberg Businessweek.