Board of Directors

The Jacksonville Transportation Authority's governing body has seven members. Three members are appointed by the Governor and confirmed by the Senate, three members are appointed by Jacksonville's Mayor and confirmed by the City Council, and the seventh member is the District Two Secretary of the Florida Department of Transportation (FDOT). Members serve a four-year term with the exception of the FDOT Secretary who serves the length of his/her employment in that position and can be re-appointed for an additional four years. The board members of the JTA are not entitled to compensation, but are reimbursed for travel and other expenses actually incurred in their duties as provided by law.

Kevin Holzendorf, JTA Board Chairman

Kevin Holzendorf


A lifelong resident of Jacksonville, Kevin J. Holzendorf is an Executive Account Manager at Emtec, Inc. Holzendorf has spent his professional career in both the private and public sectors working in the accounting, financial services and technology industries.

Holzendorf holds a bachelor’s degree in Accounting and a master’s degree in Public Administration from the University of North Florida. Holzendorf is active in the community serving as a “Big Brother” for Big Brothers Big Sisters of Northeast Florida, Jacksonville Cultural Council Board Member, Wolfson Children’s Hospital Development Council Board Member, Leadership Florida Cornerstone Class XXXVI, and YMCA of Florida’s First Coast Regional Board, to name a few.

Holzendorf was appointed to the JTA Board by Mayor Alvin Brown in August 2013 and reappointed by Mayor Lenny Curry in September 2017.

Ari Jolly, JTA Board Vice-Chair

Ari Jolly


Ari Jolly is a Senior Assistant General Counsel at Florida Blue and provides corporate development as well as board governance support related to the various Florida Blue subsidiary and joint venture companies. Prior to joining Blue Cross and Blue Shield of Florida in 1993, Jolly was an officer in the United States Navy from 1983 - 1990 and the recipient of a Navy Achievement Medal (1987).

Jolly is a member of the Florida Bar and the Jacksonville Bar Association, served as the Chairman of the Board of the Greater Jacksonville Area USO, serves on the Fleet Landing Board and previously served as the Chairman of the Veterans Network at Florida Blue, where she spoke on the topics of women veterans and the multicultural US Armed Forces. In addition, Jolly is the corporate secretary to the Boards of Florida Health Care Plan, Inc., Navigy Holdings, Inc., GuideWell-Sanitas, LLC, Florida Blue Medicine, Inc., GuideWell Core Solutions, Inc., and GuideWell, Inc. and has supported several Florida Blue conferences on the topic of board governance best practices.

Jolly graduated from Jacksonville University and the Florida State University College of Law. She is also an honors graduate from the Naval Legal Justice School, Newport, Rhode Island.

Jolly was appointed to the JTA Board in 2015 by Governor Rick Scott and reappointed in 2019 by Governor Ron DeSantis.

Jeanne Miller, JTA Board Treasurer

Jeanne Miller


Jeanne Miller is an experienced executive and AV-Preeminent-rated attorney with more than 20 years of success in public policy development and advocacy, economic development, local government and higher education. Miller’s experience includes service as Interim Executive Director and Deputy Executive Director of the Jacksonville Economic Development Commission; General Counsel and V.P. of Strategic Initiatives for Florida State College at Jacksonville, and Legislative Affairs Chief for the City of Jacksonville’s Office of General Counsel.

A graduate of Leadership Jacksonville and Leadership Florida, Miller served on the 2009-10 Jacksonville Charter Revision Commission and is a former member of the JAX Chamber Board of Governors and Board of Directors, as well as the National Association of College & University Attorneys. She has served multiple terms on the judicial nomination commissions for both the First District Court of Appeal, which she chaired twice, and the Fourth Judicial Circuit, of which she was vice-chair.

Miller currently serves on the boards of Goodwill Industries of North Florida, Metro YMCA of Northeast Florida and Bishop Kenny High School. Her community and professional activities have been recognized with a variety of honors, including being named as a 2014 Jacksonville Business Journal Woman of Influence, a 904 Magazine Top Lawyer and a member of Florida Trend Magazine’s Legal Elite.

Miller was appointed to the JTA Board by Mayor Lenny Curry in 2015.

Isaiah Rumlin, JTA Board Immediate Past Chair

Isaiah Rumlin

Immediate Past Chair

Isaiah Rumlin is the managing member of Rumlin Insurance Agency, the oldest minority-owned property and casualty agency in Duval County. In addition to operating his agency, Rumlin currently serves as president of the NAACP Jacksonville and has greatly increased the branch’s capacity to impact issues related to education, crime, the economy and the mobilization and registration of voters. He was invited to the White House in 2012 for a forum on “Jobs and the Florida Economy.”

Rumlin earned his bachelor’s degree from Florida A&M University in Tallahassee, Florida, and with a zeal for entrepreneurship, began his career as a financial specialist with the State of Florida Insurance Department in 1973.

Rumlin was appointed to the JTA Board by Mayor Alvin Brown in 2012 and reappointed by Mayor Lenny Curry in 2016. This is Rumlin’s second stint on the JTA Board, having previously served from 1987 to 1991.

Debbie Buckland, JTA Board Member

Debbie Buckland

Board Member

Debbie Buckland is Market President for Branch Banking & Trust Company (BB&T) in Jacksonville, Florida.

Buckland currently serves as Board Chair of the JAX Chamber. She has also served as Chair of Downtown Vision, Inc., the Jacksonville Women’s Business Center and the American Cancer Society. She is a member of Wolfson Children’s Hospital Women’s Board, Jacksonville Women’s Network, Women’s Giving Alliance and First Coast YMCA.

Buckland was recognized as a 2006 Woman of Influence by the Jacksonville Business Journal, is a 2009 graduate of Leadership Jacksonville and, in 2011, was named by the Mayor’s Commission on the Status of Women as one of Jacksonville’s Women Making a Difference.

Buckland is a 1979 graduate of Emory & Henry College in Emory, Virginia, with a B.A. in Business & Economics and Philosophy.

Buckland was appointed to the JTA Board by Governor Ron DeSantis in 2019.

G. Ray Driver, Jr., JTA Board Member

G. Ray Driver, Jr.

Board Member

G. Ray Driver, Jr. has been practicing law for over 20 years and is a founding partner of Driver, McAfee, Hawthorne & Diebenow. He represents clients in business acquisitions, dispositions and mergers, and provides ongoing counseling regarding business formation, corporate governance, contract law and ancillary legal issues. Driver was added to the Florida Super Lawyer list in 2011 and his experience has led him to be recognized as Jacksonville Business Journal’s Ultimate Attorney. He was also named Lawyer of Year in 2019.

A graduate of Leadership Jacksonville, Driver is the current Chair of JAXUSA Partnership and the Chair-Elect for the JAX Chamber Board of Directors and Trustees. He also has chaired the Jacksonville Bar Association, served on its Board of Governors and served as the president and treasurer of the Young Lawyers Section.

Driver received both his juris doctorate and master’s degree in accounting from the University of Florida in 1994.

He was appointed to the JTA Board by Governor Ron DeSantis in 2019.

Greg Evans, JTA Ex-Officio Board Member

Greg Evans, P.E.

Ex-Officio Board Member & FDOT District Two Secretary

Greg Evans was appointed as the Florida Department of Transportation District Two Secretary on February 6, 2012. Mr. Evans is responsible for the day-to-day administrative, planning, production and operations activities for District Two, which encompasses 18 counties, covers nearly 12,000 square miles in North Central Florida, and maintains 8,200 lane miles of roadway and over 1,200 bridges. The area is also served by two deep-water ports and three major rail lines.

Evans has over 21 years experience in the management and operations of public infrastructure. He is an alumnus of Southern Institute of Technology, with a Bachelor of Science in Civil Engineering Technology.

Evans joined the Board in 2012 as an Ex-Officio Member representing the Florida Department of Transportation, District Two.