Josef H. Reichholf
- Dr. rer.nat. (Doctorate of Science), Ludwig-Maximilians University (1969). 
Friedrich-Karl Ewert is an emeritus professor of geophysics at the University of Paderborn. He is also member of the Advisory Board of the German climate change skeptic organization European Institute for Climate and Energy (EIKE).
Civil Engineer with a specialization in chemistry.
Anne Debeil runs a consultancy company Debeil-Myrén where she has given safety advice to a number of SEVESO companies. Her clients have included BP, although she has no official association with the company. 
Dr. A. Alan Moghissi is a a former official with the U.S. Environmental Protection Agency. He formed the Institute for Regulatory Science (RSI) in early 1985 and currently serves as its president.
Art Pope is the president and vice-chairman of the board of directors for Variety Wholesalers Inc. and president and chairman of the John William Pope Foundation.