Get to Know Greenebaum Structures

Greenebaum Structures is a structural engineering firm serving Central Pennsylvania, Delaware, Maryland, DC and New Jersey. Founded in 1997, the company is located on the square in historic Manheim, PA. At Greenebaum Structures, the foundation of our success is our friendly, professional team of colleagues.

Ed Greenebaum, Professional Engineer and President
Ed is president of Greenebaum Structures and brings over 40 years experience in structural engineering to the firm. In private practice since 1984, Ed’s extensive technical knowledge and collaborative work style have been integral to building strong, long-standing relationships with architects, developers, owners and facility managers throughout the region. Ed resides in Lebanon and enjoys boating and reading in his spare time.

Justin Lockman, Project Engineer

Justin is the newest member of the team.  A Lehigh University graduate with a B.S. degree in Mechanical Engineering, Justin has over 13 years of professional experience in the field of building design and engineering, as well as plenty of hands-on construction experience.  A passion for excellence and attention to detail, balancing ease of construction, economics, durability, and how the structure integrates into the overall building design, all factor into his design approach.  Outside of work, Justin spends all of his time raising his family, playing music, renovating the house, enjoying the outdoors.


Amy Ansel, CAD & Revit Draftsperson
Amy has been with the company since 2012. Amy is responsible for CAD & Revit production at Greenebaum Structures. She has 38 Years of experience in architectural and structural drafting and interior design. Amy enjoys spending time with her family, traveling, hiking and reading

Dana Sanborn, Accounting/HR Administrator
Dana joined Greenebaum Structures in 2012 and is responsible for all accounting and HR aspects of the firm. She is a graduate of Bloomsburg University and has previous work experience in the field of Human Resources  including recruitment and benefits administration/counseling. In addition to her responsibilities with Greenebaum Structures she also volunteers as Treasurer for her church. She enjoys spending time with her husband, children and family and enjoys the outdoors and exercise.

Christine Engwall, Office Manager
Chrissy joined Greenebaum Structures in 2012. As office manager, Chrissy oversees the daily operations of the firm. She attended the University of Houston and has additional experience in new construction and renovation. In addition to her time at Greenebaum Structures, she enjoys spending time with her family, running and traveling.