About

Trustees

Jordan B. Zimmerman, Chair
Timothy L. Boaz
Sandra Callahan
Michael Carrere
Michael E. Griffin
Oscar Horton
Claire Mitchell
Leslie Muma
Shilen Patel
John B. Ramil
Melissa Seixas
Charles Tokarz
William Weatherford


Jordan B. Zimmerman, Chair

Jordan Zimmerman headshot

Jordan Zimmerman is Founder, Chairman and architect of the Zimmerman Advertising empire, the 14th largest advertising agency in the world with published billings in excess of $3 billion. He is philanthropist and advocate for many great causes within the community. Mr. Zimmerman recently donated $10 million to the USF College of Arts and Sciences, which resulted in the naming of Zimmerman School of Advertising and Mass Communications. Mr. Zimmerman was recognized in 1991 as the University of South Florida - Entrepreneur of the Year, received the 2004 South Florida Business Journal’s Diamond Award, was awarded the 2007 University of South Florida Distinguished Alumnus Award, and the 2008 University of South Florida’s Kappa Tau Alpha Hall of Fame Award. His Board of Trustees assignments include the Governance Committee and ex-officio to all other committees. Mr. Zimmerman resides in Boca Raton, Florida.

Term Expires: 2020

TIMOTHY L. BOAZ

Timothy L. Boaz is an associate professor in the College of Behavioral and Community Sciences’ Department of Mental Health Law and Policy. He earned his Ph.D. in clinical psychology at the University of Kansas and completed his internship in behavioral medicine and neuropsychology at the Brown University Program in Medicine, in Providence, RI. He was a member of the faculty in the Department of Clinical and Health Psychology at the University of Florida prior to joining the faculty at USF in 1989. Dr. Boaz is a licensed psychologist in the state of Florida whose primary research interests involve the use of administrative data in behavioral health policy research, prescribing practices for psychotherapeutic medications, and evaluation of public behavioral health programs. Dr. Boaz’s recent projects have focused on factors associated with readmission to inpatient treatment, quality of prescribing of antipsychotic medication, and continuity of care for persons being discharged from institutional treatment facilities. Dr. Boaz is president of the newly consolidated USF Faculty Senate and served the last two years as the president of the USF Tampa Faculty Senate. His Board of Trustees assignment includes the Academics and Campus Environment Committee.

Term Expires: 2022

SANDRA CALLAHAN

Sandra Callahan headshot

Sandra (“Sandy”) Callahan served as chief financial officer (CFO) of TECO Energy Inc. until her retirement in Sept. 2016 following the acquisition of the company by Emera, Inc., an energy company based in Halifax, Nova Scotia. As CFO and senior vice president of finance and accounting at TECO, a public company with electric and gas utility operations in Florida and New Mexico, Callahan was responsible for corporate and operational accounting, treasury, SEC reporting, investor relations, risk management, divestitures and acquisitions, capital raising, corporate taxes, audit services and benefit plan investments, and managed a team of 100 professionals. She was a member of the senior officer team that reviewed strategic alternatives and developed growth plans based on industry trends. Callahan currently serves on the boards of Tampa’s Lowry Park Zoo and the Tampa Club. She has served on the board of the USF Financing Corporation (chair) and USF Property Corporation, and has sat on the Executive Advisory Council for the USF Muma College of Business.  She also previously served on the boards of Florida Self-Insured Guaranty Association (treasurer), Greater Tampa Chamber of Commerce, Centre for Women (president) and Alpha House of Tampa (treasurer). In these roles, she has chaired three finance committees and two audit committees, participated in the recruitment of two CEOs, and contributed to building board governance and committee structures. Callahan holds a bachelor’s degree in finance from the University of Baltimore. She is a licensed CPA and recipient of the FICPA Award for Highest Grade in Florida and AICPA Elijah Watt Sells Award for Performance with High Distinction on the CPA examination. Her Board of Trustees assignments include the Governance Committee and the Audit and Compliance Committee.

Term Expires: 2025

Mike Carrere

Mike is the former chief executive officer of Lykes Brothers Inc. Mike started working at Lykes Bros. Inc. in 1973. He spent 21 years working at the Lykes Meat Group, ultimately managing the $400 million division of Lykes Bros. Inc. In 1994, Mike was transferred to the Lykes Corporate office where he headed the new Organization Development and Compliance Department that offered services to all business units under the Lykes umbrella. He also served as Vice President of Business Development and executive vice president of Lykes Bros. Inc. Mike serves on the Board of Directors of Lykes Bros. Inc. and previously served as a director of Northeast Bank of Clearwater, First Florida Banks, and Barnett Bank of Tampa, Krewe of Gasparilla, The American Meat Institute, Lykes-Pasco, Inc., Florida Chamber of Commerce, The University Club, Florida’s Natural Growers and two terms as Commissioner of the Florida Citrus Commission. Mike received his bachelor’s degree from Washington and Lee University and his advanced management degree from Duke University. His Board of Trustees assignments include the Finance Committee, the Collective Bargaining Team and the chair of the Strategic Initiatives Committee.

Term Expires: 2021

Michael E. Griffin

Mike Griffin Headshot

Michael (“Mike”) E. Griffin is the Tampa Market Leader for Savills, a worldwide company known for its consistent delivery of a full range of integrated real estate services across the globe. Mike joined Savills in 2015 upon its acquisition of Vertical Integration, the startup Florida-based real estate solutions firm that Mike joined upon his graduation with a Business Administration, B.S. degree from the University of South Florida in 2003.  Complementing his professional experience, Mike is well-known for his civic endeavors.  In 2017, Mike served as Chairman of the Greater Tampa Chamber of Commerce and was recognized as it’s youngest Chairman in the more than 130 year history of the organization.  Mike, an Eagle Scout, serves on the Executive Board of the Greater Tampa Bay Area Council for the Boy Scouts of America. He is a graduate of Leadership Florida (Cornerstone XXVI) and in 2017, was appointed to the Tampa Port Authority/Port Tampa Bay Governing Board.

Beyond his Chamber and civic service, Mike has made his mark at his alma mater, initially serving two terms as Student Body President and as the charter student member of USF’s Board of Trustees. As an alumnus, Mike has served as the founding Chairman of USF’s Financing Corporation that developed several bond financing projects for USF. Thereafter, Mike chaired the USF Alumni Association Board of Directors and served on the USF Foundation Board of Directors.  In 2018, Mike was appointed to serve on the USF Consolidation Task Force – where he served as its Chairman – which focused on providing implementation recommendations to consolidate USF’s three campuses. His Board of Trustees assignments are Academic and Campus Environment Committee, chair of the Finance Committee and Strategic Initiatives Committee. 

Term Expires: 2025

Oscar Horton

Oscar Horton headshot

 Oscar J. Horton has a proven record of managing organizational change and improving business efficiencies, currently serving as president and CEO of Sun State International, a position he has held since January 2000. Sun State International is a full service commercial transportation organization with five locations in West Central Florida which offers commercial truck sales, an aftermarket facility providing the installation of truck bodies and all body related equipment, lift gates and trailer parts, and service. The company’s annual gross revenues exceed $150 million and since Mr. Horton’s presidency the company has increased its revenue over 467%, making it one of the larger minority-owned businesses in Tampa Bay. Mr. Horton graduated from the University of Arkansas in 1974 and began his career as a sales representative for International Truck & Engine’s Financial Corporation, rising through various positions throughout the organization. In his final role, Oscar served as vice president and general manager of International’s foundry business. After a 25 year career with International, Mr. Horton left for his current position with Sun State International. Mr. Horton serves on the board of directors for The Bank of Tampa and is Chairman of the Board for Academy Prep Center of Tampa, and has previously been on the board of the USF Foundation. Mr. Horton’s Board of Trustees assignments include the Academics and Campus Environment Committee, Collective Bargaining Team and the Audit & Compliance Committee.

Term Expires: 2023 

Claire Mitchell

Claire Mitchell headhsot

Claire Mitchell attends the University of South Florida as a double major in biomedical sciences and international studies. Claire has been involved in numerous leadership and developmental roles on campus such as the HHMI STEM Academy, Emerging Leaders Institute, and as an officer of Delta Delta Delta sorority. Claire has been involved in Student Government for the past two terms serving as a Senator for the College of Arts and Sciences. This upcoming year sparks a new era for USF as a newly consolidated university and Claire is leading the way in making history as the first consolidated USF Student Body President presiding over all three campus locations. Her Board of Trustees assignment includes the Academics and Campus Environment Committee.

LESLIE MUMA

Leslie Muma

Les Muma is the retired chairman and CEO of Fiserv, Inc., a publicly traded financial industry automation products and services firm he co-founded in 1984, currently with more than 240 locations worldwide, over 23,000 employees and revenue in excess of $4 billion. Mr. Muma received a B.A. in mathematics at the University of South Florida in 1966 and an honorary doctoral degree in 2003. Fiserv was formed after a 1984 merger between Sunshine State Systems and First Data Processing, with Mr. Muma serving as the president of Sunshine and overseeing the merger after he and his team did a leveraged buyout of the organization. Having joined Sunshine in 1971 Mr. Muma retired from Fiserv in 2006, marking 35 years with the company he helped to create and guide. Together with his wife Pam, their transformational philanthropy has left a lasting impact on their alma mater, as well as Junior Achievement of West Central Florida, Tampa General Hospital and other worthy area causes. Mr. Muma previously served on the board of the USF Foundation where he chaired the first phase ($600 million) of the Foundation’s $1 billion USF: Unstoppable Campaign. Mr. Muma is also a Life Member of the USF Alumni Association, and is a leader on the College of Business Dean’s Executive Advisory Board, Athletic Advisory Board and the 1956 Society; he also serves on the board of directors of FIS Global Inc., is a director and vice president of the Gold Shield Foundation, Inc., and is a past Vice Chairman and member of the Board of Directors of Tampa General Hospital. Mr. Muma’s Board of Trustees assignments include the chair of the Governance Committee and member of the Finance Committee and Strategic Initiatives Committee.

Term Expires: 2023

Shilen Patel

Shilen Patel is the chief executive officer and founder of HealthAxis, as well as a serial entrepreneur and investor who has spent his entire career leading companies in the Healthcare IT space. Prior to founding HealthAxis, Mr. Patel was a top executive and part owner of Visionary Healthware. Under his leadership, Visionary Healthware achieved 30x growth and received recognition as one of America’s 100 largest healthcare IT companies before being acquired by an international public company.

In 2017, Mr. Patel became a co-founder and Chairman of the TiE Tampa Bay Angel Fund, a $3 million fund established to financially support Florida startups, improve understanding and awareness of angel investing among Tampa Bay investors, and help startups fulfill their potential as value drivers and community assets. He chairs the Creative Entrepreneurship Lab, a non-profit initiative related to the Tampa Innovation Alliance which supports entrepreneurial activity in the USF area and at the uptown site. Additionally, He is a founding Director of Central Bank, a community bank which services Tampa, St Augustine, and Winter Park.

In 2013, Mr. Patel graduated from the EMBA-Global programme at the Columbia University Graduate School of Business and the London Business School with an MBA from both institutions. He received his undergraduate degree in business administration with a concentration in entrepreneurship at Babson College in 2002. Shilen lives in Tampa.

John B. Ramil

John Ramil headshot

John B. Ramil recently retired from TECO Energy where he served as president and chief executive officer. Mr. Ramil managed TECO Energy's strategy and operations, including its three major operating companies, Tampa Electric, Peoples Gas System and New Mexico Gas Co. In 2015, Mr. Ramil oversaw the $10.4 billion transaction agreement with Emera, Inc. which will make TECO part of the Top 20 North American energy leaders. At USF he has served as a director on the USF Foundation Board, the USF Alumni Board, the USF Engineering College Advisory Board and the Gus Stavros Center for Free Enterprise Education Advocacy Board. In 1999, he was named Distinguished Alumnus of USF, is the recipient of the President's Fellow Medallion and in 2016 received an Honorary Doctor of Engineering from USF. Mr. Ramil currently serves on the board of the Edison Electric Institute, an industry association, and on the boards of directors of Blue Cross and Blue Shield of Florida, the Florida Council of 100, the Moffitt Cancer Center Institute and the Tampa Bay Partnership. Previously, he served on the boards of Enterprise Florida, the Florida Chamber of Commerce, the Tampa Bay Performing Arts Center, the Greater Tampa Chamber of Commerce. Mr. Ramil received both his bachelor's and master’s degree in engineering from USF and has completed Harvard University’s Advanced Management Program. His Board of Trustees assignments include vice chair of the Finance Committee and member of the Governance Committee and Consolidation, Accreditation & Preeminence Committee. Mr. Ramil resides in Tampa.

Term Expires: 2021 

Melissa Seixas

Melissa Seixas was named state president Duke Energy Florida, serving approximately 1.8 million electric retail customers in central Florida on February 4, 2021. She is responsible for the financial performance of Duke Energy’s regulated utility in Florida and for managing state and local regulatory and government relations and community affairs as well as for advancing the company’s rate and regulatory initiatives. Previously she served as vice president of government and community relations for Duke Energy Florida where she directed the company’s efforts to strengthen relationships with municipal, community and civic organizations, as well as with business leaders throughout the company’s 35 county service area.

Melissa is a veteran of customer service and operations at Duke Energy. She joined Florida Power in 1986, starting in distribution engineering where she learned the operational side of the electric industry. This experience has served as a foundation for Melissa’s 33-year career as she moved into roles with increasing responsibilities.

Melissa has a strong tradition of supporting her community. She has served as a board member for many non-profit and business organizations including Clearwater Marine Aquarium and Pinellas County Urban League. She is currently the Chairwoman of the Board for the St. Petersburg Downtown Partnership. She recently served as an appointee to the University of South Florida Consolidation Taskforce and served as co-chair for the USF St. Petersburg campus 50th anniversary in 2015-2016.

Melissa holds a bachelor’s degree in American history from Eckerd College and a master’s degree in American history from the University of South Florida. Her executive training includes a Corporate Social Responsibility (CSR) certification from Johns Hopkins University, and programs with the Edison Electric Institute and Georgetown University’s McDonough School of Business. Melissa lives in Seminole. 

Charles Tokarz

Charles Tokarz headshot

 Charles Tokarz is a certified public accountant with over forty years of experience in business, finance and financial planning. Currently Mr. Tokarz is the vice president of finance for Medallion Home. Prior to that, he was a senior auditor for one of the “Big Eight” public accounting firms and owner of an accounting firm providing controller and chief financial officer services to small & medium-sized private and public businesses. Mr. Tokarz is a member of the American Institute of Certified Public Accountants and the Florida Institute of Certified Public Accountants. Mr. Tokarz served as a teaching assistant and adjunct professor at the University of Massachusetts Amherst, Florida International University and University of Miami. He received his Bachelor of Science and Master of Science in business administration degrees from the University of Massachusetts Amherst, where he was inducted into Beta Gamma Sigma. Mr. Tokarz also served for four years as an aircrewman with the U.S. Navy. Mr. Tokarz’s Board of Trustees assignments include the chair of the Academic and Campus Environment Committee and a member of the Finance Committee.

Term Expires: 2021

William "Will" Weatherford

Will Weatherford is the Managing Partner, and primarily responsible for deal sourcing, investor relations, and providing strategic guidance to Weatherford Capital. He served as the 84th Speaker of the Florida House of Representatives. He is a member of the Florida Council of 100, Florida Chamber of Commerce, and serves on numerous boards including TECO Energy, Kitson & Partners, PayIt, MBF Healthcare Partners, Jacksonville University Board of Trustees. Mr. Weatherford currently serves as Co-Chairman of the Super Bowl LV Host Committee. Weatherford earned his bachelor’s degree in international business from Jacksonville University. His Board of Trustees assignments will be announced soon. Mr. Weatherford is a resident of Wesley Chapel. 

Term Expires:  2026