Patrick Klanac, P.E., Principal

Patrick Klanac has practiced mechanical engineering since graduating from the University of Dayton in 1988. He has been with PTA Engineering since 2002 and oversees the firm’s talented mechanical engineering department. Licensed as a Professional Engineer in more than 40 states, Pat is responsible-charge for the design of mechanical systems in facilities such as hospitals, data centers, performing arts, educational, and commercial buildings for the firm. Pat serves as a member of The University of Akron’s Mechanical Engineering Department Advisory Council. He is a LEED Accredited Professional, Accredited Tier Designer from Uptime Institute, and holds a Lean Six Sigma Green Belt certificate.

Michael Casseday, P.E., Principal

Mike obtained his BSEE degree from the University of Akron and joined the firm in 1987. He is a LEED Accredited Professional and has extensive experience in the electrical design of healthcare, educational and commercial facilities. Mike is a member of IEEE, NSPE, and IAEI. He is a registered Professional Engineer in the State of Ohio and more than 40 other states.


Contact us at or call 330-666-3702.