Dr. Darin Wiggins of Water Mill has been elected president of the medical staff of Southampton Hospital, where he is chairman of emergency medicine.
Kate Warner of Rochester has been named director of quality and education for the Nassau-Suffolk Hospital Council in Hauppauge and its sister organization, Rochester Regional Health Care Association.
Melisa C. Rousseau of Huntington has been appointed to the Suffolk Center on the Holocaust, Diversity & Human Understanding board of directors. She is an assistant professor of English at Nassau Community College in Garden City, and a life coach.
Frank Pearson of East Patchogue has joined the engineering and construction services firm Greenman-Pedersen in Babylon as director of transportation safety. He was acting regional director of the New York State Department of Transportation in Hauppauge.