Our Team

The people who make up Weitz Funds are the core of who we are, and the reason we can do what we do so well. Many have been with us for more than a decade, and they know how to give our shareholders what they need.
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James J Boyne

Jim joined Weitz Investments in 2018, bringing with him more than 20 years of experience in the investment management industry, including serving as president and chief operating officer of Calamos Asset Management. He was also a co-founder and chief operating officer at McDonnell Investment Management, a privately held institutional investment manager. Before McDonnell, Jim was a senior vice president with Van Kampen Investments. Jim also spent five years in the non-profit sector as executive director and member of the board of directors of the Steamboat Springs Winter Sports Club, one of the oldest and largest winter sports clubs in America.

Jim graduated magna cum laude with a bachelor’s degree in marketing from Northern Illinois University. He earned his Juris Doctor with High Honors from IIT Chicago-Kent College of Law, where he was member of Order of the Coif. Jim enjoys skiing, mountain biking and golfing in his spare time. He and his wife, Leagh, have four children.
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John Detisch
General Counsel and Chief Compliance Officer

As general counsel and chief compliance officer, John takes great pride in the fact that everyone at Weitz Investments is self-motivated to stay in compliance with all laws and regulations.

John joined the company in January of 2011 after a respected career in law at Kutak Rock LLP. He earned his Bachelor of Arts degree from the University of Kansas and his law degree from Harvard Law School.

When he’s not keeping the Weitz staff on their toes, John and his wife are busy raising almost 5-year-old twins and an 8-year-old.
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Martha Gilchrist
Vice President, Director of Operations

Martha joined Weitz Investments in 1993 and serves as our director of operations. Prior to joining our firm, she was employed at Shearson Lehman Brothers (formerly EF Hutton and Shearson Lehman Hutton), where she worked in operations, primarily running the wire desk. Martha earned a BS in accounting from Minnesota State University-Moorhead.