Irvin E. Richter

Irvin E. Richter, who founded Philadelphia-based Hill International in 1976, has resigned from his role of chairman of the company’s board of directors.

Walter Vernon

Walter Vernon, CEO of Mazzetti and vice president of IFMA HealthCare Institute (HCI), has been appointed to the Executive Council of the International Federation of Hospital Engineering Council (IFHE).

Jeffrey Tieman

The Vermont Association of Hospitals and Health Systems recently named Jeffrey Tieman as the organization’s new president and CEO.

Warren Hendrickson

Warren Hendrickson, public health director in HDR’s Chicago office, has been appointed to the Association of Public Health Laboratories (APHL) Global Health Committee.

Alvin H. Butz

Alvin H. Butz Inc., a construction services company based in Allentown, Pa., announced the hiring of Steven Butz as a project engineer.