Arts and entertainment

• The Alternate Routes – award-winning alternative rock band formed by Eric Donnelly (2001) and Tim Warren (2003)
• Donatella Arpaia (1993) – successful New York City restaurateur; judge on The Food Network reality TV series The Next Iron Chef
• Joe DeCamara (2000) - Sports radio personality for 94.1 WIP in Philadelphia
• Edward J. Delaney (1979) – award-winning author; Professor of Creative Writing, Roger Williams University
• Joe DeVito (1990) – comedian and writer; appeared on Comedy Central's "Live at Gotham" and NBC's Last Comic Standing
• Bob Drury (1980) – New York Times Bestselling author
• Paul Fargis (1961) – founder of Stonesong, publisher of several bestselling reference books
• Githa Hariharan (1977) – Commonwealth Writers' Prize winning author and editor
• Pat Jordan (1965) – acclaimed author of A False Spring, ranked #37 on Sports Illustrated's 100 Top Sports Books
• Burt Kearns (1978) – founder, Frozen Television/Frozen Pictures; author, Tabloid Baby; producer, A Current Affair
• Adam LaVorgna (2011) – actor best known as Robbie Palmer in the TV series 7th Heaven
• January LaVoy (1997) – actress best known as Noelle Ortiz on the ABC daytime drama One Life to Live
• Paul Marcarelli (1992) – actor/screenwriter best known as the face of the Verizon Wireless "Can You Hear Me Now?" national TV campaign
• Peter McCann (1970) - singer/songwriter, best known for Do You Wanna Make Love (1977)
• Kevin Nealon – Saturday Night Live cast member
• Ron Palillo – actor best known as Arnold Horshack on Welcome Back, Kotter
• Neil Peng – Taiwanese screenwriter and political activist
• Paul Ryan Rudd (1970) – actor who played John F. Kennedy in the 1977 NBC movie Johnny, We Hardly Knew Ye
• Rob Stevenson (1992) – president of Virgin Records US
• Melissa Tantaquidgeon Zobel (2012) – Mohegan author, historian, and storyteller
• Jim Wilbur (1986) - guitarist for American indie-rock band Superchunk

Academia

• Melissa Begg (1985) - Dean, Columbia University School of Social Work
• Ronald A. Bosco (1967)– Distinguished Professor of English and American Literature, University at Albany
• William Doerner (1971) – Professor, Florida State University, College of Criminology and Criminal Justice
• James Hanrahan (1952) – founding Chancellor, St. Thomas More School
• Edward Hardiman (1991) - Headmaster, St. John's Preparatory School (Massachusetts)
• Zachary Freedman (2005) - O.N. Allen Professor of Soil Microbiology, University of Wisconsin-Madison
• Thomas Kelly - Head of School, Horace Mann School
• Kevin Kiernan (1967) – T. Marshall Hahn Sr. Professor of Arts and Sciences Emeritus, University of Kentucky
• Katherine Lapp (1978) – Executive Vice President of Harvard University
• Harry Marmion (1953) – President of Saint Xavier University, Stony Brook Southampton and United States Tennis Association
• Bernard McGrane (1969) – Associate Professor of Sociology, Chapman University
• Robert J. McMahon (1971) – Ralph D. Mershon Professor of History, The Ohio State University
• David J. McCarthy, Jr. (1957) – Dean Emeritus, Georgetown University Law Center
• Joseph Moylan (1960) – founding President, Durham Nativity School; professor of surgery, Duke University School of Medicine
• Maurice J. O'Sullivan (1966) – Kenneth Curry Chair of Literature, Rollins College
• Thomas Poon (1990) – Executive Vice President and Provost, Loyola Marymount University; Acting and Interim President, Pitzer College
• Donald Preziosi (1962) – leading art historian and author; Slade Professor of Fine Art, Oxford University; Professor Emeritus, UCLA
• Mark Reed (1996) – President of St. Joseph's University
• Charles E. Schaefer (1955) – "Father of Play Therapy"; Professor of Psychology, Fairleigh Dickinson University
• Kurt C. Schlichting (1970) – E. Gerald Corrigan Endowed Chair in the Humanities and Social Sciences, Fairfield University
• John Skoyles (1971) – poet and writer; Professor of Writing, Literature & Publishing, Emerson College

Business

• Michael Amalfitano (1979) - president and CEO, Embraer Executive Jets
• Michael G. Archbold (1975) – former CEO, Talbots, Vitamin Shoppe and GNC
• Joseph Berardino (1972) – managing director, Alvarez & Marsal; former CEO, Arthur Andersen
• Logan Beirne (2005) – CEO, Matterhorne Transactions; 2014 William E. Colby Award winner
• Joseph P. Brennan (1991) - Global Chief Risk Officer, The Vanguard Group
• Jeff Campbell (1965) – former CEO, Burger King; ex-chairman, Pillsbury Restaurant Group
• Carlos M. Cardoso (1980) – president and CEO, Kennametal; named a Best CEO by Institutional Investor Magazine
• Orlando P. Carvalho - Executive Vice President of the Aeronautics Division at Lockheed Martin
• Kevin Cassidy (1990) - CEO of Newterra
• David H. Chafey, Jr. (1976) – president, Banco Popular de Puerto Rico
• Susan Coffey (1986) - CEO, American Institute of Certified Public Accountants
• Timothy J. Conway (1976) – founder, chairman and CEO, NewStar Financial
• E. Gerald Corrigan (1963) – former president and CEO, Federal Reserve Bank of New York
• Bill Crager (1986) - founder and CEO, Envestnet
• Frank N. D'Orazio (1990) - CEO of James River Group Holdings
• Joseph DiMenna (1980) – co-founder, Zweig-DiMenna Associates
• Charles Dolan (2016) – founder of Cablevision and HBO
• William P. Egan (1967) – founder and general partner, Alta Communications and Marion Equity Partners
• Jorge Figueredo (1982) – executive vice president, McKesson Corporation; 100 "Most Influential Hispanics" by Hispanic Business
• John L. Flannery (1983) – chairman & CEO, General Electric
• Bob Galvin (1981) - CEO, Iconix Brand Group
• Judith E. Glaser – founder and CEO, Benchmark Communications
• Joseph E. Hasten (1974) – president and CEO, ShoreBank; former vice chairman, U.S. Bancorp
• George F. Keane (1955) – founder, Common Fund
• Joseph D. Macchia (1957) – founder and CEO, GAINSCO
• Shawn Matthews (1989) – CEO, Cantor Fitzgerald
• Christopher McCormick (1978) – president and CEO, L.L. Bean
• Andrew McMahon (1989) - CEO, The Guardian Life Insurance of America
• Kathleen Murphy (1984) – President of Fidelity Personal Investing; Fortune Magazine's 50 Most Powerful Women in Business
• Jennifer Piepszak (1992) - Co-CEO of Consumer & Community Banking of JPMorgan Chase
• Peter J. Pestillo (1960) – former chairman and CEO, Visteon
• Rick Pych (1975) – president of business operations, San Antonio Spurs
• Leslie C. Quick Jr. (1999) – co-founder of Quick & Reilly
• Larry Rafferty (1964) – founder and CEO, Rafferty Capital Markets
• Steven C. Rockefeller, Jr. (1985) - chairman and CEO, Rose Rock Group
• Eileen Rominger (1976) – former global chief investment officer, Goldman Sachs Asset Management
• Ronan Ryan (1996) – president, Investor's Exchange; character in Michael Lewis’ best-seller, Flash Boys: A Wall Street Revolt
• Joseph D. Sargent (1959) – former president and CEO, Guardian Life Insurance Company of America
• Phil Singleton (1993) – author and founding CEO of Kansas City Web Design
• Marita Zuraitis (1974) - president and CEO, Horace Mann Educator Corporation

Journalism

• Rob Finnerty (2005) - News host on Newsmax
• Sonia Isabelle (1997) – Emmy Award-winning news anchor; host of Celebrity Page, a nationally syndicated TV magazine show
• Susan King (1973) – Emmy Award-winning TV news anchor; Dean, University of North Carolina School of Media and Journalism
• Bill McDonald (1975) – Pulitzer Prize-winning New York Times editor
• Donna Savarese (1984) – Emmy Award- and Edward R. Murrow Award-winning TV news anchor
• Bob Sullivan (1990) – award-winning journalist, New York Times best-selling author; founding staff member, msnbc.com
• Carmen Wong Ulrich (1992) – personal finance journalist; host, CNBC's On the Money
• Liz Wahl (2008) – former Russia Today news anchor who quit on air for ethical reasons

Judges

• Sean Connelly (1980) – Colorado Court of Appeals Judge; Special Attorney to U.S. Attorneys General Ashcroft and Reno
• John A. Danaher III (1992) – Connecticut Superior Court Judge; 47th United States Attorney For the District of Connecticut
• Raymond J. Dearie (1966) – United States Foreign Intelligence Surveillance Court Judge
• Daniel J. Dinan (1952) – United States Tax Court Special Trial Judge
• Joseph P. Flynn (1962) – Connecticut Appellate Court Chief Judge
• William J. Lavery (1959) – Connecticut Appellate Court Chief Judge
• Steve Shannon (1993) – Circuit Court Judge in the 19th Judicial Circuit of Virginia

Law and government

• Stephen L. Braga (1978) – lawyer known for pro bono representation of Martin Tankleff and the West Memphis Three
• Stephen Buoniconti (1991) – Massachusetts State Senator
• J. Edward Caldwell (1967) – Connecticut State Comptroller and State Senator
• Vincent Cianci (1962) – 32nd and 34th Mayor of Providence, Rhode Island; longest standing mayor in the United States
• Donald DeFronzo (1970) – Connecticut State Senator; Chief Assistant Majority Leader; Mayor, New Britain, Connecticut
• J. Michael Farren (1977) – Deputy White House Counsel; Under Secretary of Commerce for International Trade
• C. Frank Figliuzzi (1987) – Assistant Director of the Federal Bureau of Investigation Counterintelligence Division
• Michael Fedele (1980) – 87th Lieutenant Governor of the State of Connecticut
• Brian J. Flaherty (1987) – eight-term Connecticut State Representative; Deputy House Minority Leader
• Thomas J. Josefiak (1968) – Chairman, Federal Election Commission; Chief Counsel, Republican National Committee
• Kevin C. Kelly (1985) – Connecticut State Senator
• Martin Looney (1970) – President Pro Tempore of the Connecticut State Senate
• Edward Mazurek (1968) – Maine State Senator
• Richard Morgan Downey (1968) – Executive director and CEO, American Obesity Association
• Thomas C. O'Connor (1955) – Mayor of Norwalk, Connecticut
• Leonard S. Paoletta (1956) – 48th Mayor of Bridgeport, Connecticut
• Jorge E. Pérez-Díaz (1977) – Attorney General and Solicitor General, Commonwealth of Puerto Rico
• Chris Pilkerton (1995) - Administrator of the Small Business Administration
• J. Michael Quinlan (1963) - 5th Director of the Federal Bureau of Prisons
• Rosa Rebimbas (2004) – Connecticut State Representative
• David Rothbard – Co-founder and president, Committee For A Constructive Tomorrow (CFACT)
• Joseph Russoniello (1963) – two-term U.S. Attorney for the Northern District of California
• Thomas Spota (1980) – District Attorney of Suffolk County, New York
• Steven Stafstrom (2005) - Connecticut State Representative
• Bob Stefanowski (1984) - Republican nominee for Governor of Connecticut in 2018
• Nancy Vaughan (1981) – Mayor of Greensboro, North Carolina
• Roy J. Wells – president and managing director, Triad Strategies
• Darryl J. Brackeen Jr. (2010) - five-term Alderman (City of New Haven, Connecticut), CT 3rd Congressional District Democratic National Convention Delegate, CT Secretary of State candidate

Medicine and science

• James L. Abbruzzese (1974) – internationally recognized pancreatic cancer researcher at the Duke Cancer Institute
• David C. Christiani (1979) - Elkan Blout Professor of Environmental Health at Harvard T.H. Chan School of Public Health
• J. Kevin Dorsey (1964) – dean and provost of the Southern Illinois University School of Medicine
• Steven Flanagan (1984) – nationally renowned expert on Traumatic Brain Injuries at the Rusk Institute of Rehabilitation Medicine
• Tatiana Foroud (1987) – internationally recognized genetic researcher at the Indiana University School of Medicine
• Doris Troth Lippman – Vietnam Women's Memorial Vice-Chair; Honorary Purple Heart recipient
• John T. Lis (1970) – 2000 Guggenheim Fellow; Barbara McClintock Professor of Molecular Biology and Genetics at Cornell University
• Jean Malecki – Local Legend honoree by the National Library of Medicine
• Gregory J. Martin (1980) – Chief of Infectious Diseases, Bethesda Naval Hospital; U.S. Navy Legion of Merit recipient
• Brian Monahan (1980) – Attending Physician of the United States Congress; Rear Admiral in the United States Navy
• Richard J. Murphy (1973) - President and CEO Mount Sinai South Nassau Hospital; CEO Richmond University Medical Center; CEO Good Samaritan Hospital Medical Center
• Caitlin O'Connell-Rodwell (1987) – world renowned elephant expert; instructor at Stanford University Medical School
• Peter Pronovost (1984) – 2008 MacArthur Fellow and Time 100 World's Most Influential People
• Richard Proto (1962) - noted cryptographer elected to the United States National Security Agency Hall of Honor
• Julio Ramirez (1977) – national leader in neuroscience education; R. Stuart Dickson Professor of Psychology at Davidson College
• Francis J. Tedesco (1965) – president emeritus, Medical College of Georgia

Social action and community service

• Tom Cornell (1956) - American journalist and a peace activist
• Paula Donovan (1977) – executive director, AIDS-Free World; Salem Award for Human Rights and Social Justice Foundation recipient
• Michael Donnelly (1981) – leading activist for sufferers of Gulf War Syndrome; author of Falcon's Cry
• G. Simon Harak (1970) – Director of the Center for Peacemaking at Marquette University
• Stephen V. Kobasa (1969) – peace and political activist
• Robert J. Wicks (1968) – leading writer about the intersection of spirituality and psychology; Pro Ecclesia et Pontifice recipient

Sports