City Management

The City Manager is appointed by the City Council and is Chief Executive Officer of the City. The City Manager’s Department consists of the City Manager, two Assistant City Managers, and an Assistant to the City Manager. Responsibility of this department includes staff organizational management, personnel appointment and removal, preparation and execution of the City budget, as well as administration of City Ordinances and policy as adopted by the City Council.

Mark BrowneCity Manager, Mark Browne

Mark Browne is the City Manager of the City of Schertz, Texas. He is responsible for a staff of 412 employees, 17 departments and a general fund budget of $31M. Previously, Browne was the City Manager of Alamo Heights, Texas from May 2011 to January 2019 and the City Manager of the City of Terrell Hills from July 2005 to May 2011. Browne served in the US Air Force from November 1978 to July 2005, achieving the rank of colonel. His Air Force career included serving as deputy support group commander (equivalent of deputy city manager) at Dyess Air Force Base, Texas.

Browne holds a Doctor of Public Administration from the University of Alabama and authored an authoritative doctoral dissertation on implementing an educational voucher program in the state of Alabama. Additionally, he holds a Master of Strategic Studies, Air War College, Maxwell AFB, AL; Master of Operations Management, University of Arkansas, Fayetteville, AR; Bachelor of Science, Business Administration, William Jewell College, Liberty, MO; Public Executive Institute, Lyndon B Johnson School of Public Affairs, University of Texas at Austin.

Browne has been a member of Texas City Management Association in 2005. He served in a variety of positions including Region 8 treasurer, vice president and president (2009-2010). Browne served on the TCMA Board of Directors as Region 8 Representative from 2012 to 2014. He also served on the TCMA nominating committee and is a member of the Professional Development Committee (2014 to present). He is a member of the International City/County Management Association.

His community involvement includes acting as the Varsity and Junior Varsity football game stadium announcer at Randolph High School in Universal City, Texas. Browne is active in his church leadership including Deacon, committee member and Sunday school teacher. He is also an active member of the Schertz, Cibolo and Selma Chamber of Commerce. 

Browne’s awards include the Public Service Award from Urban Management Association of South Texas in 2009. He was also awarded the Legion of Merit for exceptionally meritorious service in the U.S. Air Force, numerous Air Force Meritorious Service Medals and the Air Force Commendation Medal.

Browne’s family consists of his wife Cindi, from Enid, Oklahoma and his three children. His daughter Sarah works in the Flood Hazard Department at USAA; his son Christopher is an EMT for AMR Ambulance Service; and his other daughter Elizabeth is a senior at Randolph High School.

  1. Mark Browne

    City Manager
    Phone: 210-619-1000

Brian JamesAssistant City Manager, Brian James

Brian James oversees a number of different departments, including Planning, Inspections, Engineering, Geographic Information Systems (GIS), Parks and Recreation, Finance, Schertz Public Library, and the Capital Improvements Program.

Previously, James worked for the City of San Antonio dealing with improved development or redevelopment in the city. He gained valuable experience working on a long list of projects for the Alamo City over a nearly 30-month period. Before that he was Deputy Director of Development Services for the City of McKinney, Texas. He worked in McKinney from 1998 to 2009 and held several positions including Planner, Senior Planner and Director of Planning.

James is a member of the American Institute of Certified Planners and is a San Antonio Clark High School graduate. He earned his Bachelor of Arts from the University of Texas at San Antonio (UTSA) in 1992, his Master of Public Administration from UTSA in 1997, and is currently pursuing his Ph.D. at the University of Texas at Dallas.

  1. Brian James

    Assistant City Manager
    Phone: 210-619-1000

Charles KelmAssistant City Manager, Charles Kelm

Charles Kelm oversees Fire Rescue, Emergency Medical Services, Police, Public Works, Fleet & Facility Services, and Human Resources/Purchasing. 

He joins the city after serving as a Principal and Executive Director of Project Execution for Alpha Facilities Solutions where he provided strategic guidance to teams and project managers in facility condition assessment, capital planning, maintenance management, investment strategy, space planning services, and lifecycle management delivery. Charles brings to the City extensive leadership and financial management skills and has built and lead diverse teams in designing, developing, scheduling, and deploying large programs and projects over his career.

Having served in the United States Air Force from 1996-2017, Charles retired in the rank of Colonel as the Deputy Director and the Senior military leader of the Air Force Civil Engineer Agency (AFCEC). In this role, he advised and assisted the Director (Senior Executive Service) in leading a 1,900-person organization in 75 locations worldwide.

Charles has a Master of Science degree in National Security Strategy from the National War College in Washington DC and a Master of Business Administration from Webster University in St. Louis MO. He also holds a Certificate in Legislative Studies from Georgetown University in Washington, DC and a Bachelor of Science in Civil Engineering from Texas A&M University in College Station, TX. He is a Distinguished Graduate from the Naval School Explosive Ordinance Disposal and is a registered Project Management Professional and Engineer-in-Training. Charles has been recognized as an Air Force Federal Engineer of the Year and Top 10 DoD Engineer of the Year and has been awarded the Legion of Merit, several Air Force Meritorious Service Medals and other decorations for his service.

  1. Charles Kelm

    Assistant City Manager
    Phone: 210-619-1000

Assistant to the City Manager, Sarah Gonzalez

Assistant to the City Manager Sarah Gonzalez

Previous City Managers

  • Denny L. Arnold
    October 20, 1972 until December 1, 1977
  • Walter W. Hill
    December 13, 1978 until August 8, 1979
  • Jimmy G. Gilmore
    September 6, 1979 until June 6, 1988
  • Kerry R. Sweatt
    September 6, 1988 until August 1, 2000
  • Dewey P. Cashwell, Jr.
    February 20, 2001 until June 26, 2002
  • Mark Marquez
    October 1, 2002 until October 5, 2004
  • Don E. Taylor
    May 17, 2005 until May 31, 2011
  • John Kessel
    June 1, 2011 to January 26, 2018