Matthew Peffley, PE, HFDP, LEED AP

Vice President

Mr. Peffley has 17 years of experience in consulting engineering and has been with the firm since 2002. Mr. Peffley is a Certified Healthcare Facility Design Professional (HFDP) and is Group Manager of our York Office.


  • 2007 / Mechanical Engineering / PA
  • 2012 / Mechanical Engineering / MD
  • 2010 / Healthcare Facility Design Professional / PA

Professional Activities

  • American Society of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE), Member
  • Engineering Society of York (ESOY), Member


  • BAE Architectural Engineering, The Pennsylvania State University, 2002