In 2007, he paid USD $103 million for a house in East Hampton, New York—the most ever paid for a residential property at that time—from Adelaide de Menil, heiress to the Schlumberger fortune.
After successfully fighting off a hostile takeover attempt by Ronald S. Baron in 1986, Strawbridge & Clothier survived as an independent, locally-owned department store into the 1990s.
Ronald Reagan | Baron | William Cecil, 1st Baron Burghley | baron | Sacha Baron Cohen | Ronald McDonald | Joseph Lister, 1st Baron Lister | Joey Baron | Ronald Fisher | Robert Baden-Powell, 1st Baron Baden-Powell | Henry Brougham, 1st Baron Brougham and Vaux | Ronald Colman | Guy Carleton, 1st Baron Dorchester | Ronald McDonald House Charities | Ronald D. Moore | William Wallace, Baron Wallace of Saltaire | William Tyssen-Amherst, 1st Baron Amherst of Hackney | Ronald Hutton | James Mackay, Baron Mackay of Clashfern | Hercules Robinson, 1st Baron Rosmead | George Brydges Rodney, 1st Baron Rodney | Beechcraft Baron | Thomas Seymour, 1st Baron Seymour of Sudeley | Thomas Denman, 1st Baron Denman | Stuart Rendel, 1st Baron Rendel | Ronald Grigor Suny | Norman Foster, Baron Foster of Thames Bank | John Moore-Brabazon, 1st Baron Brabazon of Tara | Charles Cochrane-Baillie, 2nd Baron Lamington | Charles Calvert, 5th Baron Baltimore |
It was donated to them as a gift of Jo Carole and Ronald S. Lauder, Nelson Rockefeller Bequest, gift of Mr. and Mrs. William H. Weintraub, and Mary Sisler Bequest, all by exchange.
Sullivan currently serves, in residence, as the master of Winthrop House at Harvard College, where he lives with his wife (fellow Harvard Law School instructor and Class of 1994 Harvard Law School alumna Stephanie Robinson) and two sons.