Orville (Bud) R. Werner II, P.E.

Senior Principal Engineer, Concrete Specialist 

Email Bud: OWerner@ctlthompson.com

Location: Denver, Colorado 


Orville (Bud) Werner is a senior principal engineer with more than 45 years of experience in the technology of concrete construction. He specializes in materials testing, testing oversight and consultation, and performance analysis, design and production of concrete materials.


Bud joined CTL | Thompson in 1983. He led CTL’s materials testing laboratory for 20-plus years and served as president of CTL | Thompson Materials Engineers, Inc., an affiliate company that manages CTL’s materials testing. In 2017, Bud passed the baton to his successor but continues to provide consultation as a concrete specialist. He is known nationally and internationally for his highly specialized experience and ability to generate solutions for the most complex materials design.

Bud has nearly 50 years of experience investigating concrete durability and strength, specializing in the physical and chemical characteristics of concrete and concrete materials, with particular expertise in the testing and inspection procedures for cement and fly ash, natural pozzolans and aggregate materials. In the field and in the lab, Bud identifies the mechanisms of deterioration, predicts future performance and recommends mitigative measures to increase the life of concrete in structures and pavements.


  • B.S. Civil Engineering, Colorado State University

  • Registered Engineer: Colorado, Idaho


Industry Associations:

  • American Concrete Institute (ACI), Member

  • American Society for Testing and Materials (ASTM), Member

  • International Concrete Repair Institute (ICRI), Member


Notable Projects/Accomplishments:

  • Nationally recognized leader in the field of concrete construction and technology

  • Significant contributor to the development of industry standards for construction materials evaluation and inspection in conjunction with professional organizations including the American Concrete Industry

  • Expert witness in matters of dispute involving concrete construction

  • Teacher of concrete construction technology for field personnel for the Bureau of Reclamation Concrete and Structural Branch