Days into the job, Scaramucci provoked controversy after launching a strongly worded attack on members of the Trump administration in an interview with The New Yorker's Ryan Lizza that he believed was off the record.

Ten days after his appointment, he was dismissed by President Donald Trump, at the recommendation of the new White House Chief of Staff, John F. Kelly.

Scaramucci was born into an Italian-American[1] family on January 6, 1964, on Long Island, New York, where he was raised in Port Washington.

[6][7] Scaramucci graduated in 1982 from Paul D. Schreiber Senior High School in Port Washington,[8] where he served as student council president.

[25] On January 17, 2017, SkyBridge announced the sale of a majority stake of its business to RON Transatlantic EG and HNA Capital (U.S.) Holding, a Chinese conglomerate with close ties to China's Communist Party.

[31] In September 2010, however, Scaramucci asked Obama at a CNBC event when he was going to "stop whacking Wall Street like a piñata.

"[32] Scaramucci has tweeted at various times that he has "always been for strong gun control laws" and that "Republicans should support gay marriage".

[30] In 2015, on a Fox Business Network television appearance, Scaramucci called Trump a "hack politician" whose rhetoric is "anti-American and very, very divisive."

[35] On January 12, 2017, Scaramucci was named Assistant to the President and director of the White House Office of Public Liaison and Intergovernmental Affairs.

"[37] Scaramucci attended the World Economic Forum in Davos on January 16–17, 2017 as the representative for the Trump transition team.

[38] Following Chinese President Xi Jinping, he gave a talk warning against protectionism and championing free trade.

[38] Fox Business reported on January 31, 2017, that "Scaramucci's delayed appointment underscores some of the tensions building inside the Trump White House, as various aides and advisers continue to jockey for his attention and to retain and expand their power.

[43] On March 6, 2017, the White House announced the appointment of Ideagen founder and former CEO George Sifakis as director for the Office of Public Liaison,[44] instead of Scaramucci.

[45] Effective June 19, 2017, Scaramucci was named senior vice president and chief strategy officer for the U.S. Export–Import Bank.

[52] On July 26, 2017, journalist Ryan Lizza reported that Scaramucci called him to try to identify who leaked information about a meeting to The New Yorker.

[61] An official White House statement indicated that Scaramucci "will be leaving" his post "to give Chief of Staff John Kelly a clean slate and the ability to build his own team.

[71] He is the author of four books: Scaramucci paid $100,000 to have SkyBridge's logo in the film Wall Street: Money Never Sleeps (2010), along with two cameo appearances.

[77] He joined Fox Business Network as a contributor in 2014, and in March 2016 served as host of the financial television show Wall Street Week.

[84] Scaramucci, along with restaurateur Eytan Sugarman and financier Nelson Braff, founded the Hunt & Fish Club steakhouse and seafood restaurant in Midtown Manhattan in New York City, which opened in 2015.

[90] The tweet was soon taken down, and Scaramucci subsequently wrote that "If anyone was offended by this act, you have both my sincere personal apology and commitment that it will never happen again", and pledged to donate $25,000 to the Simon Wiesenthal Center.

[91] In June 2016, Scaramucci joined the Board of Advisors of the Fletcher School of Law and Diplomacy, located at his alma mater of Tufts University.

[92] In early November 2017, 240 Tufts students, faculty, and alumni signed an online petition calling for Scaramucci's removal from the position.

[93][94] On November 21, 2017, lawyers representing Scaramucci sent a cease-and-desist letter to the Daily, alleging that the op-eds contained factual inaccuracies which attempted to defame him.

[95] The letter demanded that Caballero and the Daily issue a retraction and an apology for its allegedly "defamatory" statements, threatening a lawsuit if the paper did not comply within five business days.

[101] In February 2021 it was announced that he would become a honorary citizen of the ancient Italian town of Gualdo Tadino, from which his paternal family originated.

[102] The mayor and the municipal council bestowed Scaramucci with the status on March 15, 2021, with a unanimous vote citing his remarkable professional and political achievements, his deep attachment to his Italian roots and the important role his family played in the history and development of the town.

Ball filed for divorce from Scaramucci in early July 2017 when she was pregnant with their second child, to whom she gave birth on July 24, 2017,[105] but the couple worked out their marital problems and in September 2018 began a Radio.com podcast titled "Mooch and the Mrs.", in which they discuss their world view from opposite political stances, while managing their relationship.