Dr. Erik Krohn, assistant professor in the Computer Science Department, joined UW-Oshkosh in 2010. He earned his BS in computer science from UW-La Crosse and his MS and PhD in computer science from the University of Iowa. Prior to teaching at Oshkosh, he taught at both Mount Mercy University in Cedar Rapids, Iowa and the University of Iowa. In addition to teaching, Dr. Krohn is an active researcher in the area of computational geometry. His main area of research interest involves studying visibility in the art gallery problem and terrain guarding problem.