Greg was born in Fargo, ND to Harold and Ilene (Pederson) Larson on 10/1/1959. He spent his youth in Fargo, ND graduating from Fargo North High in 1978. He loved sports and was active in football, baseball, and basketball throughout high school along with American Legion Baseball. He went on to play baseball at Moorhead State University. After graduation from MSU, he attended and graduated from UND School of Law. He moved to San Diego CA in 1986 and began his career as an attorney working at local law firms before going into private practice on his own. He was blessed to meet his long-time love and best friend, Kyoko Yoshihara over 20 years ago and they married in 2015. They made their home in Torrance, CA where they both practiced law. Greg passed away unexpectedly in his home of natural causes on 1/2/2024.