About

David A. Rockstraw, Ph. D., P. E.

Expert Witness, Chemical Engineering Consultant, & Process Forensic Analyst

Dr. Rockstraw has worked in the chemical processing industries; academia; government labs; and private practice as consultant, R&D engineer, expert witness, and forensic analyst. He has a diverse breadth of experience including: commodity chemicals; energy; water; petrochemicals; pharmaceuticals; agricultural chemicals; fluorochemicals; monomers, polymers and plastics; plutonium processing; membrane/electromembrane processes; safety; biofuels; processed foods; and academic administration. Rockstraw’s career emphasized process design, analysis, simulation and scale-up; though he has also been involved in a wide range of fundamental research studies. Rockstraw has provided expert testimony in deposition, trial, arbitrations, and inter partes reviews.

He has testified in Federal and International Courts, before the International Trade Commission, and has sat in the witness chair for up to 20 hours in a single trial.‚Äč

In addition, Rockstraw has extensive training and skills with process simulation software (Aspen, HYSYS, ChemCad); thorough literature search library skills; the ability to climb steep learning curves; and strong laboratory skills to collect statistically significant data when needed.

David A. Rockstraw, Ph. D., P. E., Inc. maintains a $1 million general liability policy with The Hartford.