Dan Keller is the president and owner of Lifeletics Sports Instruction in Huntington Beach, California. A lifelong student of the game of baseball, with a particular interest in pitching, he started Lifeletics in 2001 and has built it into a household brand providing world-class fundamental training with an emphasis on positive character development and the life lessons learned through athletics.

Keller experienced athletic success from youth baseball through the collegiate ranks and was drafted by the Baltimore Orioles in 1995. Since 2000 he has worked as a private pitching instructor for youth league and professional athletes. His team coaching resume includes work with competitive youth teams and teams at all levels of high school play.