Team

Arndt joined VIA in February 2012 as Deputy CEO/Chief of Business Support Services. His expertise encompasses transit service and capital facility development, training and safety, financial management and planning, labor relations, special event transit/traffic management, and transit operations. He is continuously working to bring innovations to VIA and to San Antonio that will improve the livability and sustainability of the region, to include the implementation of SmartMove, VIA’s short-term capital plan to bring multimodalism to the region.

Arndt came to San Antonio from Houston where he served as General Manager of Fixed-route Transit Services for First Transit, a company under contract with the Metropolitan Transit Authority of Harris County, or Houston METRO. He previously worked for Houston METRO for 25 years and achieved the position of Senior Vice President of Operations/Chief Operating Officer. Arndt spent five years as a research scientist/research specialist at the Texas A&M Transportation Institute and was Senior Planning Manager at Parsons Brinckerhoff before joining First Transit.

Arndt holds a Master of Arts in Public Administration from the University of Houston, as well as a Bachelor of Science in Civil Engineering from the University of Notre Dame. He currently serves on several boards, including the San Antonio Chamber of Commerce, San Antonio Hispanic Chamber of Commerce, Centro Alliance, Texas Diversity Council, South West Transit Association (SWTA), United Way, and San Antonio for Growth on the Eastside (SAGE), and the Texas Transit Association. Additionally, he has served as an adjunct professor in the public administration graduate program at the University of Houston, and was also selected for the 38th Leadership San Antonio Class (2013).

Mr. Johnson joined VIA in 2020 with nearly 30 years of experience in the transit industry. Before coming to San Antonio, he led the LYNX transit system in Orange, Seminole, and Osceola counties in Florida. He also served as the chief administrative officer for MARTA in Atlanta, Georgia and as the grants and planning manager for MAX in Birmingham, Alabama. He holds a Bachelor of Science and a Master in Public Administration, Political Science from Jacksonville State University in Alabama. He also served honorably in the U.S. Army Reserves where he received a commission as Second Lieutenant.

He previously served as Regional Vice President of Communications for Spectrum (formerly Time Warner Cable), where he led award-winning strategic communications, public relations, and government affairs programs for 2 million customers throughout the Texas region. He was Vice President of Business Development for the San Antonio Hispanic Chamber of Commerce, where his work included program plans for small businesses, including support for business education services and programs.

Herrera is a San Antonio native and UTSA graduate with deep ties to the community and extensive experience in public- and private-sector initiatives. He served proudly as Fiesta San Antonio’s Rey Feo LXVII, raising $450,000 to support scholarships for local students. 

Prosser Elder has been involved in the public sector and transportation issues for over 25 years, and she has extensive experience in law, public administration, and open government matters for public agencies as well as broad experience in intergovernmental relations, legislative matters, contract development, and ethical considerations for public and private matters.

Prosser Elder received her Bachelor of Arts degree from the University of Texas at Austin and her Juris Doctorate from the University of Texas School of Law.

Horne is a transportation planner who has gained considerable federal, state, and consultant experience on major transportation projects in various locations around the country over her 25-year career. She has spent most of her career in the transportation field and has built a reputation for her thought leadership in the field of transportation policy at various levels of local, state, and federal government.

Horne has worked in the public sector for both the Texas Department of Transportation and the Federal Transit Administration. She has been actively involved in Women’s Transportation Seminar (WTS) over the course of her career and currently serves on the WTS Foundation Board.

Horne earned a Master of Science in Community and Regional Planning from the University of Texas at Austin and a Bachelor of Science in Environmental Science from Long Island University in Southampton, New York.