The Marquette University community mourns the loss of a close friend and significant benefactor, Dennis Klein, who died Tuesday, Aug. 4.
Dennis received his degree from the College of Business Administration in 1973 and was a member of the university’s Founders Society. He and his wife, Barbara, Bus Ad ’72, made major contributions across campus, supporting Marquette Athletics, the College of Health Sciences and the College of Business Administration.
“Dennis and Barb have positively impacted generations of Marquette students. Their many gifts over several decades have strengthened our distinctive programs, while opening doors and transforming lives through life-changing scholarships,” said President Kimo Ah Yun. “Our thoughts and prayers are with the entire Klein family during this difficult time.”
In 2007, the Kleins made a major gift to elevate Marquette’s soccer programs. They also have been longtime supporters of the Men’s Basketball Excellence Fund, while backing athletic scholarships through the Blue & Gold Fund. In addition, they made meaningful investments in the College of Business Administration, strengthening programs that prepare the next generation of business leaders.
“Dennis’ generosity changed lives and helped shape the experience for generations of student-athletes,” said Vice President and Director of Athletics Mike Broeker. “We remain forever grateful for the friendship, support and lasting impact of Dennis and the entire Klein family. We will miss seeing him in the stands cheering on our teams.”
With an interest in providing Marquette scientists with cutting-edge tools to deepen their understanding of the organization and function of the nervous system, the Kleins established the Barbara and Dennis Klein BioImaging Core Facility in the College of Health Sciences. Today, researchers are using the facility to accelerate discoveries aimed at treating debilitating neurological conditions.
“Dennis was a close friend of the college and a close personal friend, and I send my deep condolences to the Klein family,” said Dean of the College of Health Sciences William E. Cullinan. “Dennis and Barb believed in our vision to solve some of the world’s most pressing neurological problems. Their early investment laid the foundation for the distinctive neuroscience research ecosystem we are building today. We are deeply grateful for their vision, partnership and extraordinary generosity. Dennis will be deeply missed.”
A full obituary is available online.



