Matthew Popov has joined INFICON as a mechanical engineer. Before coming to INFICON, he worked for Advanced Design Consulting, Inc. as an engineering manager. Popov holds a bachelor’s degree in mechanical engineering from Clarkson University. Leslie Treat has joined INFICON as an administrative assistant. She previously worked as an administrative assistant for Honeywell Scanning and Mobility. Treat holds an associate degree in secretarial science from Cayuga Community College.