John Olthoff
Professor
Dordt College

Address: 498 4th Avenue NE
Sioux Center, IA 52150
Daytime phone: (712) 722-6000
Email: olthoff@dordt.edu

Brief biography: Represents the Iowa Association of Independent Colleges and Universities on the Leopold Center Advisory Board.

Olthoff teaches a range of courses in animal science and courses that support the general requirements of the college. He also is associated with the College's Agriculture Stewardship Center.

Olthoff also chairs the Sioux County Extension Council and is a member of the Sioux Center Christian School board and involved with Laotian ministry. He has a Ph.D. in animal science from the University of Nebraska, an M.S. in animal science from the University of Minnesota, and a B.A. in biology from Trinity Christian College.