Evan B. Siegel, PhD, is President and CEO of Ground Zero Pharmaceuticals, Inc., and an Adjunct Professor at the University of Queensland in Australia. Dr. Siegel has held positions as a Toxicology Reviewer at the U.S. Food and Drug Administration and Supervising Toxicologist in the California Department of Health Services. He has also served in regulatory affairs and executive positions in CROs, the pharmaceutical industry, and trade associations. In addition, Dr. Siegel was an editor of Regulatory Affairs Focus from 1999 to 2001.