* President and founder of IDDC Corporation, Long Grove, Illinois. 1993-Present.  IDDC Corporation is a contract pharmaceutical research organization which provides consulting and expert witness services concerning pharmaceutical and health care products.  The expert witness services includes clinical pharmacology, toxicology, regulatory affairs, patents, drug interactions for prescription and over-the-counter (OTC) drugs as well as industrial chemicals.

* Director, Clinical Research, G.D. Searle and Co., Skokie, Illinois. 1987-1993. Directed worldwide clinical research and development (Phases I-IV).  Provided consultation services and actively interacted with regulatory affairs, legal, marketing, business development and licensing groups.

* Director, Cytotec Scientific and Medical Affairs, G.D. Searle and Co., Skokie, Illinois. 1985-1986.  Directed Phase-IV clinical research activities with misoprostol (Cytotec®).  Assisted in the worldwide launch of misoprostol.  Provided consultation services and actively interacted with regulatory affairs, sales and marketing, business development, licensing and legal groups.  Carried out worldwide medical communication to lay and scientific media. 

* Assistant/Associate Director, Gastroenterology Clinical Research, G.D. Searle and Co., Skokie, Illinois. 1980-1985.  Responsibilities included development of clinical plans, budgets, writing protocols, study placements, monitoring and preparation of clinical and regulatory reports.  Interacted with regulatory affairs, consumer products, marketing, business development and licensing groups.

* Chairman, Gastrointestinal Diseases Committee, G.D. Searle and Co., Skokie, Illinois. 1974-1980.  Directed the research of a multi-disciplinary group (M.D./Ph.D. level scientists) which resulted in the discovery of several interesting drugs.  Of these, one drug (Cytotec®) was marketed.  Actively interacted with regulatory affairs, legal, consumer products and business groups (marketing, sales, licensing and acquisition).

* Group Leader, Department of Pharmacology, G.D. Searle and Co., Skokie, Illinois. 1974-1980. Planned, conducted and directed research in gastrointestinal pharmacology and physiology.

* Senior Research Investigator, G.D. Searle and Co., Skokie, Illinois. 1972-1974.  Planned, conducted and directed research in gastrointestinal pharmacology and physiology.

* Senior Pharmacologist, Rohm and Hass Research Laboratories, Spring House, Pennsylvania, 1968-1972. Directed and conducted research in gastrointestinal, cardiovascular and central nervous system pharmacology and toxicology.  Supervised the contract toxicological research of industrial chemicals.