Mark C. Rock, P.E.
VICE President of Operations
Mark Rock, P.E. and his wife, Roetta, opened RETL in 1998. Mark has over 30 years of experience in the Geotechnical Engineering and Construction Materials Testing field. He has been the Project Engineer, Project Manager and/or Design Assistant on over 3,000 Geotechnical Engineering Studies across the Texas. Rock has a reputation for being extremely knowledgeable and experienced with the soil conditions of South Texas, and leads our Corpus Christi office.