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(717) 846-7151
50 Grumbacher Road, Suite 10, York, PA 17406

Meet Our Team

Integrity. Quality. Care. Responsiveness.

Key Personnel

We believe in a diverse range of personnel to bring creative skills, thoughts, and ideas to the table.

Lea A. Nadler, P.E.

Founder

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Rosanna Smithnosky, P.E.

President

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John F. Yacapsin, P.E., C.B.I.

Executive Vice President

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Marc Pinto, PMP

VP of Administration

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Crystalann Deardorff, P.E.

Senior VP of Business Development

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Jeremiah Greenland, P.G.

VP of Operations

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Stephen P. Reisinger, PLS

Senior Associate, Chief of Surveys Emeritus

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Scott Ramsay

Senior Associate, Director of IT & Facilities

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Seth Mascho, P.G.

Associate and Director of Transportation Services

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