John Holtmann is a principal with the law firm of Heurlin, Potter, Jahn, Leatham & Holtmann, P.S. He graduated cum laude from Central Washington University in Ellensburg , Washington in 1983. He graduated from the College of Law at Willamette University in Salem , Oregon in 1987.

Mr. Holtmann has spent his entire career practicing law in his hometown of Vancouver , Washington . His current practice emphasizes representing injured workers and plaintiffs who have suffered all types of personal injury. Mr. Holtmann is admitted to practice in all state and federal courts in the State of Washington. Mr. Holtmann is a member of the Clark County Bar Association and a EAGLE Member of the Washington State Trial Lawyers Association.

Mr. Holtmann enjoys volunteering his time to better the community. Mr. Holtmann has been involved with such projects as the HOST Reading Tutor Program, local high school moot court competitions, and the volunteer lawyers pro bono program. Mr. Holtmann has coached numerous little league baseball and Hotshot basketball teams in the area.