Korschun served as an assistant coach at Brandeis University from 2004-2008 and oversaw varsity men’s and women’s epee teams. While at Brandeis, the men’s team won the 2007 IFA Championship, qualified two students to NCAA championships and many others to regional championships.

During his fencing career, Korschun earned a 15th place finish at the 1989 NCAA Championships and represented the United States in eight world cup events in Canada, France, Italy, Spain, Switzerland, and the Netherlands (1994-1996). In 1993, he was selected to the World Maccabiah Games team (1993). 

He is currently an Associate Professor of Marketing LeBow College of Business at Drexel University and resides in Philadelphia, Pa.