Find Experts
Expert Bio

Primary Area of Expertise


Expert Witness Profile

Fetzpahs Consulting is a provider of practical solutions to problems in the chemistry and analysis of petroleum-related materials and the polycyclic aromatic hydrocarbons (PAHs). The size of projects can be large or small, with rates that are flexible enough to meet budgetary constraints.

The principal, John C. Fetzer, is a recognized world-class expert in the chemistry and analysis of the polycyclic aromatic compounds. Specialist in the development of separation methods aimed particularly at crude oil, its distillate fractions (including asphalt and residuum), catalytically-processed petroleum products (waxes, mineral oils, lube oil basestocks, fuels, and intermediate oils, petrochemical products, and additives. He has a high-level of expertise in high-performance liquid, supercritical fluid, gel-permeation and gas chromatographies, and fluorescence and UV absorbance measurements.

With more than two decades of experience working for a major oil company and since 2001 working through Fetzpahs Consulting, Dr. Fetzer brings knowledge and understanding from many areas to bear on his clients' needs.

The 2005 Erich Clar Award of the International Society for Polycyclic Aromatic Compounds was given to Dr. Fetzer for his variety of research achievements.

As author or co-author of over 140 refereed papers, including 8 review articles, 5 book chapters, 2 books, and 3 US patents, so his writing is informative, readable, and thorough. With over forty formal presentations at scientific conferences, speaking to any audiences is well-delivered. Dr. Fetzer has been a tour speaker for the American Chemical Society and has given many invited presentations at conferences and universities. As an expert witness, Dr. Fetzer has been deposed several times and served as a witness in one trial and for one governmental regulatory hearing.

Education & Licenses

University of Georgia, Doctorate of Philosophy in Analytical Chemistry, 1980
University of Arkansas, Bachelor of Science in Chemistry with Honors, 1976