Hanna Moussa Jabbour, P.E. joins Keystone Structural Group

Hanna Moussa Jabbour, P.E., has joined Keystone Structural Group in June of 2021.  Hanna joins the firm as a Structural Engineer with 5 years of geotechnical and structural engineering experience working with reputable engineering firms in the New Jersey/New York region.

Please join us in welcoming Hanna to Keystone Structural Group.


Masters of Engineering, Structural Engineering – Lehigh University

Masters of Science, Geotechnical Engineering – Lehigh University

Bachelor of Sciences, Public Works – Lebanese University

Keystone Structural Group Announces New Hire

Tina Marie Merli, PE , joined Keystone Structural Group in March of 2020.  Tina Marie joins the firm as a Senior Structural Engineer and has practiced structural engineering academically and in design practice for over 20 years.  Throughout her career she has been employed by several reputable engineering firms and has practiced within her own privately held company designing commercial, educational, healthcare and industrial structures.

In addition to design career, she was a senior instructor in the Building Engineering Technology/Architectural EngineeringTechnology Program (BLET/AET) at the Scranton campus of Penn State University.