People
Tim Tonyan, Ph.D.
Vice President of Strategic Development
Focus
- Materials Science + Engineering
Biography
Dr. Tim Tonyan serves as CTLGroup’s Vice President of Strategic Development, bringing over 30 years of experience as a forensic consultant and operations leader in the engineering consulting industry. He specializes in concrete science, materials characterization, construction processes, and forensic investigations, applying his expertise to advance strategic growth initiatives and deliver exceptional value to clients.
Dr. Tonyan’s distinguished career includes serving as Chief Operating Officer of a globally recognized engineering and materials testing firm, where he directed operations, profitability, and growth strategies. He has successfully launched new business ventures, managed high-performing consulting teams, and led research laboratories in the development of innovative commercial product platforms. His technical expertise encompasses condition assessments, failure analyses of complex building systems, and expert testimony in construction claims and patent litigation. A holder of multiple patents, he has also contributed to the development of industry and building code standards, including ASME and ACI standards for the nuclear industry. With experience spanning the United States and the Middle East, Dr. Tonyan is recognized as a leader in engineering consulting and strategic development.
Education
Ph.D. in Civil Engineering, Massachusetts Institute of Technology, 1991
S.M. in Civil Engineering, Massachusetts Institute of Technology, 1988
B.S. in Building Construction, Georgia Institute of Technology, 1977
Affiliations
American Concrete Institute (ACI)
Member Committee 523, Cellular Concrete
Member, Sigma Xi, Scientific Research Society
Featured Publications
Gan, Q., Lane, J., and Tonyan, T.D. “Gaining acceptance: Testing of stay-cable systems assures durability.” Roads & Bridges, Scranton Gillette Communications, 46-51. Arlington Heights, Illinois. May 2013.
Eamon, C.D., Dubey, A., Roth, M.J., Slawson, T.R., and Tonyan, T.D. “Ultra-High-Strength, Glass Fiber-Reinforced Concrete: Mechanical Behavior and Numerical Modeling.” Materials Journal, American Concrete Institute, Volume 107, Issue2: 158-194. March 2010.
Tonyan, T.D. “Sustainability in New Building Systems Development: A Manufacturers Perspective.” Conference and Workshop on Sustainable Green Building Design and Construction, Cairo, Egypt. March 10-12 2009.
Bonen, D. and T. D. Tonyan. “Microstructure and Mechanical Properties of a Composite Made of Well Embeddded AR Glass Fiber.” Fifth RILEM Symposium on Fiber Reinforced Cement. Eds. P. Rossi and G. Chanvillard, RILEM Publications s.a.r.l. 735-745, 2000.
Tonyan, T. D., K. W. Moyer, and W. C. Brown. “Water Management and Moisture Transport in Direct-Applied and EIFS Wall Assemblies.” Journal of Testing and Evaluation, American Society for Testing and Materials, 219-230. West Conshocken, Pennsylvania. May 1999.
Brown, W. C., P. Adams, T. D. Tonyan, and J. M. Ullett. “Water Management in Exterior Wall Claddings.” Journal of Thermal Insulation and Building Envelopes, Volume 21: 253-43. Technomic Publishing Inc. July 1997.
Brown. W. C., J. M. Ullett, A. Karagiozis, and T. D. Tonyan. “Barrier EIFS Clad Walls: Results from a Moisture Engineering Study.” Journal of Thermal Insulation and Building Envelopes, Volume 20: 206-226. Technomic Publishing Inc., May 1997.
Tonyan, T. D. “Precast Concrete Sandwich Panels Using Cellular Concrete Cores.” Presented at the American Concrete Institute Spring Convention, Salt Lake City, Utah. March 9, 1995.
Karam, G. and T.D. Tonyan. “Fractal Morphology of Cement Foams.” Materials Letters, Volume 16, Number 5: 278-280. May 1992.
Tonyan, T. D. and L. J. Gibson. “Structure and Mechanics of Cement Foams.” Journal of Materials Science, 27: 6371-6378. December 1993.
Tonyan, T. D. and L. J. Gibson. “Strengthening of Cement Foams.” Journal of Materials Science, 27: 6379-6386. December 1992.
Toole, T. M. and T. D. Tonyan. “The Adoption of Innovative Building Systems: A Case Study.” Building Research, 1992
