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About USTA

John N. Korff, Director at Large

John N. Korff
John N. Korff began serving a third two-year term as Director at Large on the USTA Board of Directors in January 2011. Korff previously served two terms on the board from 2005 to 2008. He is the Board Liaison to the Adult Tennis Council and a member of the Strategic and Creative Planning Committee.
In his first term, Korff was the Board Liaison to the Community Tennis Association Council and served on the Budget Committee. In his second term, he chaired the Strategic Planning Committee and served as Board Liaison to the USTA sections. Previously, he was a member of the Davis Cup and Olympic committees for eight years, and served as a member of the WTA board and as a business adviser to the WTA Players Association.
Korff has a long association with tennis. He founded and organized the innovative A&P Tennis Classic in Mahwah, N.J., for 25 years. It was the only women’s pro tournament to host three nights of concerts and five nights of tennis. 
He currently owns Korff Enterprises, a sports and event marketing company based in New York City and Honolulu. He has been a frequent guest speaker at USTA sectional and national conferences, covering topics that range from "improving sectional marketing" to "how to make tennis more fun." He has also been a guest lecturer at Harvard, Columbia and NYU graduate business schools, and his company has been the subject of several Harvard Business School case studies.
A graduate of Harvard Business School, Korff was a consultant to NYC2012, the committee that led New York’s bid for the 2012 summer Olympics. He has organized national and world championships in triathlon, archery, track and field, fencing, wrestling, weightlifting and other Olympic sports. His company also owns and organizes hot air balloon festivals, concerts and PGA Tour golf tournaments, and it produces on-course entertainment for the ING Marathon and other New York Road Runners events. Korff currently owns the Nautica New York City Triathlon, America’s most successful triathlon. The triathlon annually raises more than $2 million for nonprofits.
Korff has run more than 140 marathons, seven 100-mile races and holds a record in the Empire State Building Run-Up. He met his wife, Leslie Eisenberg, while serving as the coach of the marathon team for the Leukemia and Lymphoma Society’s Team in Training program. 
Korff has been named one of Tennis magazine’s 50 most influential people and, in 2009, received the Leadership Award from the Challenged Athletes Foundation. He lists his role models as Dodo Cheney and Jerry Garcia.
Korff currently resides in Key Biscayne, Fla., with Leslie, their 5-year-old son, Jacob, and 3-year-old twins, Jonas and Josie. He is a member of the USTA Florida Section.


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