John David Bartholomew[1] (born September 5, 1986) is an American chess player, International Master, YouTuber, and entrepreneur.

In 2002, Bartholomew won the National High School Chess Championship, and in 2006 became an International Master (IM).

He studied at the University of Texas, Dallas on a chess-based full ride scholarship, which he earned at the age of 14.

[10][11] In September 2019, the company joined forces with an existing merger of Play Magnus AS and Chess24.com.

[12] In January 2018, Bartholomew earned clear first place in the Charlotte Chess Center's Winter 2018 GM Norm Invitational held in Charlotte, North Carolina with an undefeated score of 6.0/9.