Mark Gimenez grew up in Galveston County, Texas. He attended Southwest Texas State University in San Marcos, Texas, and earned a B.A. in Political Science with honors. He then attended Notre Dame Law School in Indiana and earned a J.D. degree magna cum laude.

Gimenez practiced law with a large Dallas law firm and became a partner. After ten years, he then left to practice solo and to write. He now lives outside Fort Worth with his wife and two sons.