Douglas D. Gransberg, Ph.D., P.E.
Principal Consulting Engineer / President
Nils Gransberg, AC, A.M.ASCE
Vice President of Operations
Audrey Gransberg, RDH
Vice President of Finance & Administration
Frank Solimando
Cost Estimator & Data Analyst
Ricardo M. Tapia, Ph.D., PMP
Founder/ Consultant TNA Consulting, Corp. Panama City, Panama.
Yanina NG Lopez, PMP
Partner, Project Manager TNA Consulting, Corp. Panama City, Panama
Carlos Trottman
Partner Consultant TNA Consulting, Corp.
Marjorie Herrera
Civil Engineer and Data Analyst
Carla Lopez del Puerto, Ph.D.
Del Puerto & Associates, LLC
Dominique M. Pittenger, Ph.D., AC
Ghada M. Gad, Ph.D.
Assistant Professor of Construction Engineering, California State Polytechnic University
H. David Jeong, Ph.D.
Professor of Construction Sciences, Texas A&M University