Jeff and other Wilpon family members invested with Bernard Madoff's ponzi scheme that collapsed in 2008. Unlike many who lost their investments, it was revealed in the Madoff firm's court case, Securities Investor Protection Corp. vs. Bernard L. Madoff Investment Securities LLC (USBC SDNY No. 08-01789), that the family partnership run by Wilpon made $48 million in their dealings with the firm. He also is a member of the board of directors for the United States Holocaust Museum in Washington DC.
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Wilpon has been criticized by some for being too much of a meddler in the baseball operations for the New York Mets. In 2010, Joel Sherman of the New York Post wrote, "Let's give Jeff Wilpon the benefit of the doubt here for a moment. Let's say he is not short-tempered. Tone deaf. A credit seeker. An accountability deflector. A micro-manager. A second-guesser. A less-than-deep thinker. And bad at self-awareness. Fine, he's none of these things. But here is the problem: This is his perception in the industry as the Mets try yet again to fix their baseball operations department."
Sherman also cited a baseball executive in regular contact with the Mets, who said, "Jeff is the problem with the organization, and he is never going to realize that. He cannot help himself. He has to be involved. He will never hire anyone who will not let him have major input. He will not hire anyone who does not run every personnel decision through him." An AL executive added, "The only person with a worse reputation than Jeff Wilpon in the game is [Marlins president] David Samson."
In 2003, the team's previous partner, Nelson Doubleday, Jr., told The Star-Ledger: "Mr. Jeff Wilpon has decided that he's going to learn how to run a baseball team and take over at the end of the year… Run for the hills, boys. I think probably all those baseball people will bail... Jeff sits there by himself like he's King Tut waiting for his camel."
Many commentators on the internet and in broadcast media have referred to Jeff Wilpon as "Fredo" Wilpon, after the ineffectual member of the Corleone family played by John Cazale in The Godfather and The Godfather Part II.
In media guides Mr Wilpon stated that he had played in the Montreal Expos system to further his baseball credibility while in fact he was simply signed by the team as a favor to his father and never played professional baseball.
On September 10, 2014, Wilpon was named as a defendant in a lawsuit by Leigh Castergine, the first female senior vice president of ticket sales in the history of the Mets. According to the civil complaint filed by Castergine's attorney, Wilpon repeatedly disparaged her for having a child out of wedlock and then terminated her employment when she complained to human resources.
He is married to Valerie (née Goldman) Wilpon. Their son, Bradley Wilpon, was drafted by the Boston Red Sox in 2014, and has played two summer for the Newport Gulls of the NECBL. Jeff Wilpon is a graduate of Roslyn, New York High School and does not have a college degree.
Blizzard Entertainment announced in July 2017 that Wilpon has bought ownership in one of the first seven teams planned for the professional eSports Overwatch League. Wilpon's team will be based in the New York region.
- "Sandy Koufax among those swindled by Madoff". Sports Illustrated. February 5, 2009. Retrieved August 13, 2009.[dead link]
- Kamalakaran, Ajay (October 21, 2009). "NY Mets owners made about $48 million in Madoff dealings". Reuters. Retrieved October 21, 2009.
- Sherman, Joel (September 19, 2010). "Mets need GM bailout". New York Post. Archived from the original on November 20, 2010. Retrieved August 28, 2014.
- "Gammons: Jeff Wilpon is GM of the Mets". MetsBlog. October 15, 2009. Retrieved August 28, 2014.
- "WILPONS ARE ON THEIR OWN". nypost.com. May 2, 2003. Retrieved October 2, 2017.
- "Civil Complaint Against Mets and Jeff Wilpon" (PDF). Retrieved September 10, 2014.
- Greenwich Times: "Brunswick graduate Bradley Wilpon drafted by Red Sox, will play at Penn" by David Fierro July 5, 2014
- Gartenberg, Chaim (July 12, 2017). "Blizzard announces first Overwatch League teams and owners, including Robert Kraft and Jeff Wilpon". The Verge. Retrieved July 12, 2017.