about us

Pinnacle Structural Engineers was founded in March of 2005 by Donald Greive, P.E. and Adam Cryer, P.E. In 2006, Pinnacle added David Jones as a principal to head up the production department. John Baber, P.E., joined the firm as a principal engineer in 2008. For more information about Pinnacle’s principals and project managers, see employee profiles below.

Beyond the exciting world of structural engineering, we encourage our employees to be active outside of the office. Recent pursuits include:

  • Architecture and Engineering Softball League
  • Architecture and Engineering Bowling League
  • AIA Sandcastle Competition in Galveston, TX
  • ACE Mentoring program
  • Habitat for Humanity
  • Various 5k races, and a weekly company run around nearby Rice University
what we offer our clients
  • Professional engineering licensure in TX, AZ, CA, CO, GA, LA, MD, MI, MS, MT, NM, ND, OK, PA, TN, WV, WY, and others through reciprocity
  • Comprehensive structural designs, considering constructability, cost, and schedule
  • Economic structures, often through iterative communication with the architect, resulting in a project that meets the architectural vision and the owner’s budget
  • Production processes that include current engineering theory, modern analysis tools, and BIM modeling (i.e. Revit Structure)
  • Above all, we offer responsive and experienced customer service, irrespective of project size and client


Principals and Managers