In 2004, Stevens and his wife Mary donated $22 million to the
University of Southern California and to help found the USC Stevens Institute for Technology Commercialization to advance engineering within the
USC Viterbi School of Engineering. It was later renamed USC Stevens Center for Innovation, having expanded its scope to include other disciplines. In 2015, Stevens and his wife donated $50 million to endow and name the USC Mark and Mary Stevens Neuroimaging and Informatics Institute. The institute's goal is to enhance knowledge of brain science through the application of imaging and information technologies. In 2017, the institute received FDA clearance for clinical use of the first seven-Tesla MRI scanner in North America. In 2019, the institute, along with the Michael J. Fox Foundation for Parkinson's Research, announced the addition of more than 108 terabytes of RNA sequencing data to its open access portal associated with the Parkinson's Progression Markers Initiative. Stevens is a member of the USC Viterbi School of Engineering Board of Councilors and, since 2001, the USC Board of Trustees. He previously served on the board of trustees of the
Menlo School in
Menlo Park, California. Mark and his wife Mary Stevens are also signatories of
The Giving Pledge (their pledge page) which was started by
Warren Buffet and
Bill Gates. They note on their own charitable website that they are just getting started with their giving. ==Golden State Warriors==