Mark Mastrov

Mark Mastrov
Born	born c. 1962 Oakland, California
Nationality	American
Occupation	Businessman, executive
Known for	24 Hour Fitness

Mark S. Mastrov is an American businessman who is the CEO and founder of 24 Hour Fitness. He is also part of the Sacramento Kings ownership group.

The 24 Hour Fitness began in 1983 as a one-club operation called 24 Hour Nautilus. Mark Mastrov and Leonard Schlemm began the firm, with Mastrov and Schlemm remaining to continue its expansion.

In 1998 David Giampaolo and Mark Mastrov co-founded Fitness Holdings Europe, a private-equity-backed investment vehicle, to open and acquire small chains of European health clubs. Fitness Holdings Europe was sold to the 24-Hour Fitness Chain in 2000.

In 2010 Mastrov founded Hard Candy Fitness with Madonna, her manager Guy Oseary.

In 2013 Mastrov became a member of a new Sacramento Kings ownership group, which was led by Vivek Ranadivé.

In November 2015 he founded professional video gaming esports team NRG eSports with Gerard Kelly and Andy Miller.

Mastrov was born around 1962 in Oakland, California. He grew up in the San Francisco Bay Area and graduated from Castro Valley High School. He has a Bachelor's Degree in Business from California State University, Hayward.

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