Engineering & Surveying

Donald O. Stevenson

Chief Executive Officer

Mr. Stevenson founded PennCore Consulting LLC in 2019 and has extensive experience working in the Appalachian Basin.

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Ryan K. Frenya, P.E., CFM

Director of Engineering and Environmental

Mr. Frenya is a Civil & Water Resource Engineer with over 14 years of design and construction related experience.

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Daniel S. Dunkelberger, P.L.S.

Director of Surveying

Mr. Dunkelberger is a Professional Land Surveyor with over 18 years of experience.

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Brian Schultz

Professional Engineer

Mr. Schultz is a licensed Professional Engineer (PE), and Certified Floodplain Manager (CFM) with over 9 years of experience in the Civil & Water Resources field.

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