WILMINGTON,David Brown, a former executive at Wyeth Research, has joined PPD, Inc. (Nasdaq: PPDI) as a senior director.

Brown will oversee PPD’s efforts related to maximizing the life cycle of pharmaceutical, biotechnology and medical device products using PPD’s market development services.

His title is senior director of pharmacovigilance and epidemiology. The group he oversees will work with late stage clinical trials, medical communications, health outcomes and consumer health.

Brown has served as assistant professor of epidemiology in the department of epidemiology and international health in the School of Public Health at the University of Alabama at Birmingham.

PPD: www.ppdi.com