Pittsburgh-based UPMC’s president and CEO of 15 years is set to step down from his position next week after 48 years with the health system—he will be succeeded by Leslie Davis, a health care executive with 17 years of experience at UPMC.

Victaulic, the Easton-based manufacturer of pipe fittings, has appointed Rick Bucher CEO.

People First Federal Credit Union has selected a new chief executive in Howard Meller, who is set to take over following the retirement later this year of outgoing CEO Jeffrey Albert.

PPL Chairman and CEO William H. Spence, will retire June 1, the company announced. Current PPL COO Vincent Sorgi has been elected to replace Spence as president and CEO of the Allentown-based utility company.

Easton’s Crayola Inc. tapped a former Yankee Candle executive as its new CEO. Rich Wuerthele, who has been in the consumer goods industry for more than 30 years, will take the helm of the crayon and art products company Jan. 16.

After more than 45 years as a practicing attorney and managing partner at Tallman, Hudders & Sorrentino in Allentown, and later, Norris, McLaughlin & Marcus, the New York-based firm it merged into, Matthew Sorrentino switched gears.

Schnecksville-based KidsPeace, a nonprofit that provides foster care, residential treatment and psychological services for children around the country has officially named Michael Slack as president and CEO.

Lehigh Valley Children’s Centers of Allentown has appointed Charles Dinofrio as its new president and CEO. He will be the third person to lead the organizations since it was founded in 1970.

Shari VanderGast, 53, is senior vice president of Diakon Senior Living and Diakon Child, Family and Community Ministries. She has been with the company for four years.