Steinfeld develops brands and businesses as chairman and CEO of Body by Jake. Before that, Steinfeld created
FitTV, a 24-hour fitness lifestyle network, which he later sold to
News Corp. After the sale of FitTV, Steinfeld launched ExerciseTV, a fitness on-demand television network, with partners
Comcast,
New Balance, and
Time Warner. He co-founded
Major League Lacrosse (MLL), the first professional
outdoor lacrosse league in 2001. MLL had six franchises in North America; the championship trophy was named the
Steinfeld Cup. In 2020, the MLL merged with the
Premier Lacrosse League. He is the founder of the World Series of Youth Lacrosse which provides (U13) youth players a
lacrosse experience like that of a professional. The event features teams from the U.S., Europe, Canada, Israel, the
Iroquois Nation, among others competing to play in the championship game aired live on
ESPN2 on the
Fourth of July. Teaming with
Universal Music Enterprises (UMe), a division of
Universal Music Group, Steinfeld formed a music label called Body by Jake Music. He was named chairman of the National Foundation for Governors' Fitness Councils in 2012. Through the cooperation of public and private partnerships, the NFGFC rewards "Don't Quit" fitness centers to elementary and middle schools who show innovative ways to promote fitness and nutrition in their schools and communities across the United States. Steinfeld was an official Olympic torch bearer for the
2012 Summer Olympics. He served as the honorary mayor of
Pacific Palisades, a neighborhood in Los Angeles, from 2013 to 2016.
Television and film Steinfeld began as a
personal trainer with clients including
Steven Spielberg and
Harrison Ford, whom he trained for
Indiana Jones and the Temple of Doom and
Indiana Jones and the Last Crusade. Later Steinfeld starred on a sitcom on the
Family Channel called
Big Brother Jake. Other television credits include
King of the Hill, ''Movin' Mountains
, Dream On, The Tracey Ullman Show, Shaping Up,
and Simon & Simon. In addition, he appeared in the fourteenth season of Hell's Kitchen'' as a guest in episode 12's dinner service. Other film roles include ''
Cheech and Chong's Next Movie (1980), Into the Night (1985), The Money Pit (1986), and Coming to America (1988). Steinfeld supplied the voice of Git, a lab rat in the Disney animated feature Ratatouille and was the voice of the Fish Seller in the 2011 English version of From Up On Poppy Hill''.
Writing Steinfeld is a
New York Times and
Wall Street Journal best-selling author. He has written and co-authored books including
Body by Jake (1984); ''Don't Quit; Get Strong! Body by Jake's Guide to Building Confidence, Muscles and a Great Future for Teenage Guys
(2002); I've Seen a Lot of Famous People Naked and They've Got Nothing on You!
(2005); and Take A Shot!, A Remarkable Story of Perseverance, Friendship, and a Really Crazy Adventure'' (2012). ==Personal life==