Mark L. Drotar, P.E.
S-E-A, Ltd.
Mark L. Drotar, P.E. has BS/MS and he is experienced with soil related issues including retaining walls, earth structures, earth movement such as landslides or settlement, construction-related issues such as QA/QC, materials testing, pavement failures, and earthwork issues. He has provided expert testimony in local, state, and federal courts.