Clint Mabie is the President and CEO of the Community Foundation for Southern Arizona. He is responsible for expanding the impact and work of CFSA to meet the expanding needs of the southern Arizona community, managing the operations and staff, and serving as the representative of CFSA to community organizations and donors.

Prior to joining CFSA, Clint was executive vice president of Tempus Pax, LLC, Director of Donor Services of The Chicago Community Trust and Executive Director of its initiative to combat poverty, Return on Chicago.  He also served as Director of Donor Services and Program Development of Philanthropic Services at The Chicago Community Trust where he was the Relationship Manager for a large portfolio of individuals, families, organizations and businesses that utilized the Trust to manage their charitable giving. He was responsible for the strategic planning of the Philanthropic Service Department and led the development team. He was also responsible for Trust initiatives in diverse communities and created affiliates in Will and Lake counties.

Prior to joining the Trust, Clint was the Director of Development of the Make-A-Wish Foundation of Northern Illinois. His extensive fundraising experience also includes the Center for Teaching and Learning and the Golden Apple Foundation. He received his Masters in Management from Northwestern University and also has a Masters in Teaching from National Louis University. He is a board member of National Louis University and the Sunshine Through Golf Foundation. Clint is married to Debi and has three children, Chess, Clark and Martha Jane.

Chief Operating Officer: Mari Diffley

Mari Diffley is Chief Operations Officer for the Community Foundation for Southern Arizona. Mari is responsible for managing operations including finance, IT and workflow systems to ensure performance and service excellence.

In June, 2011 CFSA hired Mari to conduct an analysis of its financial and IT systems. Her exemplary work and belief in our mission led to the appointment as Chief Operating Officer  effective September 2011.

Mari has more than 25 years of experience in operations and finance. She began her career as a CPA in New York and then moved into IT and financial systems development. Mari has a rich mix of business skills which include business development, sales, marketing, operations, legal and finance with broad and varied experience in strategic planning, project management, and technology implementation. A natural entrepreneur, Mari grew a business which was the first internet service provider in her NY community in 1994.

Mari has a track record of creating and streamlining financial and operational systems to better serve customer needs. Most recently, Mari served as project manager for the merger of 5 literacy organizations into a new organization named Literacy Connects. Mari supported the merger by working with others and facilitating legal and governance matters as well as strategic planning and recommending and implementing financial and operational systems for the new organization.

Mari’s level of passion and commitment in anything she does has only been trumped by the results of those efforts, creating measurable impact in the businesses and organizations with which she has been involved.

Mari earned an MBA from the University of Arizona, a BBA in Business and Accounting from Pace University, and a CPA in the State of New York.

Mari moved to Tucson from New York after selling her Internet company in 2001.

Evan Mendelson is Vice President, Donor Relations and Program Services. She is responsible for ensuring that donors receive excellent, quality service and for implementing community investment strategies that create positive impact in southern Arizona. Throughout her career in the not-for-profit sector, she has consulted, spoken and written in the areas of philanthropy, nonprofit management and public affairs.

Evan has extensive experience in philanthropy through her work as former Executive Director of the Jewish Funders Network, a national membership organization of individual Jewish philanthropists and family foundations, dedicated to advancing the growth and quality of Jewish philanthropy through more effective grantmaking to both Jewish and secular causes. In addition, she was Associate Executive Director of the Jewish Community Federation of San Francisco, the Peninsula, Marin and Sonoma Counties – responsible for community planning and allocations, and she was a founder and officer of the Jewish Fund for Justice, a national grantmaking organization focusing on combating poverty in America.

Her community leadership experience includes member of the United Way boards in Tucson and San Luis Obispo California, President of A Traveling Jewish Theatre in San Francisco, Advisory Committee of the Fisher-Bernstein Institute for Leadership Development in Jewish Philanthropy at Brandeis University, Steering Committee of the Affinity Groups Network of the Council on Foundations, Advisory Board of the Center for Philanthropy and Fundraising at New York University, and the Board of the World Council on Jewish Communal Service.

Evan moved to Tucson in 2007 to work with Diamond Family Philanthropies as Senior Program Officer.