Mariah Ehrhart

Jim Washko

Senior Plumbing Designer

Jim completed the Computer Programming Course at ICM School of Business in 1983 and has completed a various amount of drafting and design classes since then.

Jim has been employed at East Hills Engineering Associates since 1990, where he started out as the company’s first computer-aided draftsman. Shortly after starting he worked his way into the Plumbing Department and became a Plumbing Systems designer.

Currently, Jim is the Senior Plumbing Designer and has been involved in all types of projects including Commercial Buildings, Housing Projects, Schools, Hospitals to name only a few. Jim has been a member of the American Society of Plumbing Engineers (ASPE) since 1997 and is a Charter Member of the Johnstown Chapter.

Outside of work Jim enjoys golfing, bowling, family vacations, and attending various sporting events.

You can contact Jim at JimW@easthillseng.com

Mariah graduated from Somerset County Technology Center in 2013, where she studied Pre-Engineering/Drafting and Design. At SCTC she was also the school wide SkillsUSA President and the Western Region SkillsUSA Conference Vice President.

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Jim Washko

Jim completed the Computer Programming Course at ICM School of Business in 1983 and has completed a various amount of drafting and design classes since then.

Michael Finnigan, CPD

Michael graduated from Forest Hills High School in 2006 where he received the Engineering Technology Award.

Bruce Chappell

Bruce brings more than 19 years of HVAC design experience in Healthcare, Commercial, Data Centers, Central Plants, Manufacturing and Historical Buildings.

Patrick Kishlock

Patrick brings his electrical and mechanical troubleshooting experience to our Team.

Cory Rozwat

Cory started his career at East Hills Engineering Associates as an electrical draftsman after graduating from Pennsylvania Highlands Community College in 2012 with an Associate degree in Applied Science.

Judi Lynch

Judi started her career in electrical design in 1977 working on commercial buildings.

Chris Mazzarese

Chris joined East Hills Engineering Associates in 2015 after graduating from Triangle Tech Greensburg with an Associates Degree in Mechanical Drafting and Design.

Rebecca Berkey

Rebecca brings business administration experience, marketing, creativity and an extensive customer relations background to the East Hills Team.

Mariah Ehrhart

Mariah graduated from Somerset County Technology Center in 2013, where she studied Pre-Engineering/Drafting and Design. At SCTC she was also the school wide SkillsUSA President and the Western Region SkillsUSA Conference Vice President.

Susan Muha

Susan has over 25 years of drafting experience and has a BA from the University of Pittsburgh at Johnstown.

Kyle Koval, CHD

Kyle E. Koval is a 2010 graduate of Triangle Tech Institute, Greensburg, PA with an Associates of Applied Science in Architectural Computer Aided Drafting and Design.

George DeFrehn

In 1984, George DeFrehn and Gerald Kiniry founded East Hills Engineering Associates to provide Mechanical and Electrical Building System Design to Architects and Building Owners.

Chris Albright, PE, LEED AP

Christopher has a genuine interest in making things better and has engineered hundreds of HVAC systems since joining East Hills Engineering Associates in 2003.

Bryan Philips

Like many of Johnstown’s working-class Bryan began his working career in a local steel mill, where he eventually worked his way up to becoming a Turn Foreman at US Steel in the Johnstown Foundry Division before being laid off.

Barbara Hershberger

Brett Yonish, P.E., LEED AP

Brett graduated from the University of Pittsburgh at Johnstown with an Electrical Engineering Technology Degree, including a Math Minor and Physics Minor in 2006 and joined East Hills Engineering Associates days after graduation.