814-695-7500

P. JOSEPH LEHMAN, Inc., Consulting Engineers can point to extensive multi-disciplined experience in a wide array of industry sectors.  From the rehabilitation of historic covered bridges, to the design of roadways, to flood wall replacements, to assisting clients with applications for state and federal grants, and even to the restoration of one of the world’s first roller coasters, we promise our clients our meticulous attention to detail, our knowledge of engineering principles and practices, and the integrity that has enabled us to be successful for close to 50 years. Our designers draw on this past experience everyday, offering our clients with both innovative and proven engineering solutions. Our continued success is due in no small part to the caliber of staff we hire, train and retain.  Our talented engineers are known for their uncompromising standards, their experience in our market sectors, their attention to budgets and schedules, and their superior client service.  They are trained in the latest technology and respected by their peers in their fields of expertise.  In addition to their engineering skills, our staff members are also trained in project management principles, earning them the trust of our clients. When you hire P. JOSEPH LEHMAN, Inc., Consulting Engineers to undertake your project, you can be assured that you have a team of dedicated professionals who will listen to you and serve as your partner to meet your goals, expectations, and budget.

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President

  • P. Joseph Lehman, Jr., P.E.

    President

Bridge Team

  • Husam A. Obeid, P.E.

    Bridge Design Director

  • Harivadan R. Parikh, P.E.

    Eastern Regional Director

  • Aaron M. Craig, P.E.

    Project Engineer

  • William H. Smith, P.E.

    Project Engineer

  • R. Allan Derr, P.E.

    Project Engineer

  • J. Warren Stoner

    Constructability Review Manager

  • Craig K. Stodart, P.E.

    Engineer

  • Alexandra M. Castrechini, P.E.

    Engineer

  • Donald L. Fix, IV, E.I.T.

    Designer

  • Ryan P. Murphy, E.I.T.

    Designer

  • Monzer I. Houssein

    Designer

  • Becky D. Casalvieri

    Technician

Highway Team

  • Robert D. Bryant, P.E.

    Project Engineer

  • Charles R. Meyers, P.E.

    Project Engineer

  • Ryan M. Granville, P.E.

    Engineer

  • Adam E. Shriver

    Designer

  • Vincent L. Dodson, P.E., P.L.S.

    Engineer

  • Richard A. Bunn

    Designer/Construction Inspector

  • Justin T. Showalter

    Technician

  • Garrett G. Leopold

    Designer

  • Adam Katrancha, P.E., CPESC

    Engineer

  • Deborah K Shriver

    Designer

  • Tiffany A. Bryant

    Technician

Environmental Team

  • Scott J. Klingenberg

    Environmental Services Director

  • Steven J. Treschow, P.G., CPG

    Senior Geologist/Geologic Services Director

  • Frank W. Catherine, P.E.

    Project Engineer

  • Kaleb K. Hammond, P.G.

    Geologist

  • Thomas S. Bilko

    Environmental Scientist

  • Jonathan M. Graffius

    Environmental Scientist

  • Stephanie R. Fulcher

    Technician

Survey Team

  • David W. Butterbaugh, Jr., P.L.S.

    Survey Services Director

  • Richard K. Strayer

    Technician

  • Daniel K. Trinkley

    Technician

Land Development and Building Solutions Team

  • Kenneth W. Szala, P.E.

    Land Development/ Building Systems Director

  • Elizabeth A. Heggi, P.E.

    Engineer

Grantsmanship/Client Services Team

  • Martin T. Malone

    Director of Client Services

  • Joel J. Black

    Marketing Assistant

Administrative

  • Vallery J. Johnson

    Director of Human Resources

  • Sherrie R. Ayers

    Office Manager

  • Denise J. Lear

    Controller

  • Ashley A. O’Neil

    Assistant

Special Projects

  • Betsy Lehman

    Special Projects Director

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