Sierra Energy Design was founded in 1996 by Gary McDonald, a Professional Engineer with more than 30 years of experience in large commercial and industrial facilities. He has organized a team of talented professionals that specializes in evaluating and improving plant infrastructure – including steam, compressed air, refrigeration, and environmental control systems.

Gary is an imaginative and effective technical problem solver who understands the special requirements of implementing improvements in a working production environment. His expertise includes evaluating plant processes and procedures, identifying operational and low-cost methods for improvement, and providing training to operators and maintenance staff.

Throughout his career, Gary has developed, designed, and managed upgrades in many industrial and manufacturing environments, including:

  • Automobile stamping, painting and assembly
  • Chemical refining
  • Petrochemical
  • Metals (smelting, forging, hot- and cold-rolling, steel & copper)
  • Pharmaceutical
  • Rice and oat processing and feed mills
  • Refrigerated warehouses
  • Seed oil refineries and
  • Dairy processing plants.

Gary earned a Bachelor of Science degree in Mechanical Engineering from New Mexico State University in 1986. He currently resides in Chandler, Arizona.