Wellness guru David Kirsch is the founder of New Yorkâs award-winning Madison Square Club, where he spent the past twenty years sculpting the bodies of Heidi Klum, Faith Hill, Ellen Barkin, Liv Tyler, Kerry Washington, Anne Hathaway, and Karolina Kurkova, among others. David is the author of best-selling book The Ultimate New York Body Plan along with 4 other books. He is the innovator of One of A Kind Supplements® and the producer of more than 7 fitness DVDs.