Thomas J. Mitchell joined the University of Florida on June 1, 2010. He leads an organization of 346 employees with annual private support commitments of $402 million. In October of 2012, the "Florida Tomorrow" campaign exceeded its $1.5 billion goal, finishing at $1.7 billion, firmly securing its position as the sixth largest fundraising campaign in public university history. In February of 2014, the university announced the largest gift in UF history: $75 million. The University of Florida endowment currently totals more than $1.56 billion.

Mitchell recently spearheaded a university-wide pre-campaign planning process to launch UF's fourth campaign, "Go Greater." The campaign is an eight-year, $3+ billion effort focused on big ideas, multidisciplinary initiatives and strengthening the endowment. The quiet phase of the campaign was launched in July 2014 and more than $1 billion has been committed to date.

He is active in national organizations including CASE and the Association of Governing Boards and is a frequently sought-after speaker. He has received the CASE IRF Commonfund Award in recognition of his significant contributions to the field of institutionally related foundations and has chaired the 2012 CASE IRF International Conference, the 2013 CASE IRF National Committee and the CASE 50 National Talent Management Task Force. Mitchell has also served on the CASE 50 Steering Committee since 2015. He has authored more than 300 papers on institutional advancement and managing institutionally related foundations.