about us

Pinnacle Structural Engineers was founded in March of 2005 by Donald Greive, P.E., and Adam Cryer, P.E. The following year, David Jones joined the firm as a Senior Vice President to lead BIM/CAD documentation for the production department. Pete Dean, P.E., was promoted to Senior Vice President in 2019 to lead all internal engineering coordination and standards. Heath Michel, P.E., was promoted to Vice President in 2020, and Grant Karr, P.E., was promoted to Vice President in 2023. For more information about Pinnacle’s principals, see 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
what we offer our clients
  • “Professional engineering licensure in TX, AZ, CA, CO, FL, GA, IA, LA, MD, MI, MT, NE, NM, NC, ND, OH, OK, PA, SC, SD, TN, VA, WA, WV, WY and standing registration with NCEES.
  • 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