LJA Engineering - Employee Owned
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LJA has full in-house capabilities to provide comprehensive professional engineering services to the public and private sectors. The firm's staff is comprised of civil engineers, traffic and transportation engineers, hydrologists, construction managers, land use planners, designers, technicians and surveyors.

We have included brief resumes of key staff members of LJA and an organization chart which depicts the firm's structure and staff. LJA staff members identified below are committed to providing solutions that work for their community. They are familiar with local rules, regulations, practices, policies, ordinances, guidelines, and criteria which must be met on all local projects.

  • Calvin T. Ladner, PE   President
  • James E. Moehlman, PE, RPLS   Executive Vice President, Houston Land Development
  • Jeff P. Collins, PE, PMP   Executive Vice President, Public Infrastructure
  • Elizabeth A. Dewey, CPA   Chief Financial Officer
  • Jerrold L. Graham, Jr., PE   Senior Vice President
  • Gary W. Mensik, PE   Senior Vice President
  • Daniel J. C. Copps, III, PE   Senior Vice President, Highway/Bridge Division Manager
  • John A. Clark, PE   Vice President and Austin Division Manager
  • David R. Tinney, PE, LEED® AP   Vice President, Land Development
  • William T. Ehler, PE   Vice President, Land Development
  • Wallace E. Trochesset, PE   Vice President, Division Manager
  • Gregory J. Patch, PE   Vice President, Land Development
  • Alan McKee, PE   Vice President, Land Development
  • James E. Brown, PE   Vice President, Land Development
  • Donnie A. Reed, PE   Vice President, Land Development
  • Danny Miller, PE   Vice President, Austin Land Development
  • Robert C. Hickman, PE   Vice President, Director of Midstream Infrastructure
  • James D. Ross, PE   Vice President, Land Development
  • Todd Thurber, PE   Vice President, Director of Transportation
  • Chris Cotter   Vice President, Transportation Manager
  • Michael S. Rusk, PE   Vice President, Land Development
  • Jason M. Kelly, PE   Vice President, Land Development
  • Kenneth Schrock, PE   Vice President, Transportation Manager, Austin Office
  • Dennis W. Seeman, PE   Division Manager - Water/Wastewater
  • David H. Zuhlke, PE, CFM   Division Manager - Water Resources
  • Steven Gonzales, PE, CFM, D.WRE   Division Manager, San Antonio Office
  • Carolyn S. Gilligan, PE   Senior Consultant
  • Steven L. Johnson, PE   Senior Consultant
  • John S. Perry   Senior Consultant
  • Mike R. Baker, PE   Director of Rail Serices
  • George Culver   Director - GIS
  • Stephen R. Tennis   Director of Planning and Platting Services
  • Jim Wendt, AIA   Director of Planning, Woodlands Group
  • John Phillips, ASLA   Director of Planning
  • Jack E. Shick, Jr., PE, PTOE   Senior Project Manager
  • Bill Worsham, PE   Director of Coastal Engineering
  • Jeremy Russell, RPLS   Director of Surveying
  • Omar Escobar   Director of Project Development
  • Anthony Francis   Director of Client Services
  • William (Donnie) Courville   Business Development Coordinator
  • Curtis H. Villarreal, PE   Construction Department Manager
  • Jene Adler   Environmental Services/Project Coordinator
  • Gregg B. Haan, PE   Senior Project Engineer
  • Chad A. Johnson, PE, CFM   Senior Project Manager
  • Steve Phy   Project Director
  • Gloria Howell   Project Director
  • Edmund (Eddie) Rucker, PE   Senior Project Manager
  • Wilson Wong, PE   Senior Project Manager
  • Daniel W. Ryan, PE, CFM   Senior Project Manager
  • Meleida Sierra, PE   Senior Project Engineer
  • Paul Viktorin, PE   Senior Project Manager