 At St. Thomas, Dienhart was in charge of increasing the university's endowment.On June 17, 2013, St. Thomas reported Dienhart will be leaving the institution to become President and Chief Executive Officer of the Schulze Family Foundation, created by Best Buy founder and University of St. Thomas trustee, Dick Schulze.The following day, Dick Schulze announced his intention to expand the size of the foundation from $100 million to $1 billion.