Working in collaboration with architects, contractors, fabricators, developers, other engineers and interior design professionals, our structural engineering team designs structural systems that work in harmony with their overall design vision. We utilize the latest industry standard computer software for drafting, analysis, design and detailing including REVIT Structure and Bentley Structural Building Information Modeling (BIM), AutoCAD and RAM Structural Integrated Design Products.


Our firm principals are NCEED Certified.  Combined our partners and engineers are registered as professional engineers in the following states:

CA, CO, CT, DE, FL, GA, IL, IN, MA, MD, MI, NC, NH, NJ, NY, OH, PA, RI, SC, TX, VA, WV, D.C and VT!



Picture of Anthony P. Shulde, P.E.
Principal / Structural Engineer

Anthony P. Shulde, P.E.

Practicing since 2009 B.S., Civil Engineering,Pennsylvania State University B.S., Surveying,Pennsylvania State University

Tony has served as the lead structural engineer, project manager and field engineer on both small and large projects throughout his career. In addition to new buildings, he is experienced with major renovations and construction management services. Tony is an expert in the design of structural steel, modular construction, timber framing, masonry, and retaining wall structures. Tony is highly knowledgeable in structural analysis, structural materials and foundation engineering.

Picture of Daniel J. Horn, P.E.
Principal / Structural Engineer

Daniel J. Horn, P.E.

Practicing since 2005 B.S., Structural Design and Construction Engineering, Pennsylvania State University

Dan has served as the lead structural engineer and project manager on projects ranging from small unique structures to large complex buildings. Dan’s strong technical skills has allowed him to build a strong portfolio of projects throughout the United States; including K-12 academic facilities, university dorms, hospitals and healthcare facilities, corporate office buildings, retro-fits of existing buildings, industrial facilities and multi-family residential buildings.

Picture of Patrick McLaine, P.E.
Principal / Civil Engineer

Patrick McLaine, P.E.

B.S., Civil Engineering, Georgia Institute of Technology & Master of Business Administration, Fordham University

As a Principal of KSG Engineers, Pat is responsible for all civil engineering projects in the firm, including land development, site development and subdivision design projects. Throughout Patrick’s career he has worked extensively on industrial, commercial, and residential land development projects, storm water engineering, dam inspections, culvert design and roadways.

Picture of Tina Marie Merli, PE
Senior Structural Engineer

Tina Marie Merli, PE

B.S., Structural Design and Construction Engineering, Pennsylvania State University

Tina Marie joined Keystone Structural Group in March of 2020. Tina Marie joins the firm as a Senior Structural Engineer and has practiced structural engineering academically as a senior instructor for Penn State University and in design practice for over 20 years.

Picture of Jerehmy Corrigan, PE, SE
Senior Structural Engineer

Jerehmy Corrigan, PE, SE

Masters of Engineering in Structural Engineering Lehigh University B.S., Mathmatics, & B.A., Physics Bloomsburg University

Jerehmy joined KSG in 2022 as a Senior Structural Engineer. Jerehmy has extensive engineering experience in new commercial & residential building design, repair and renovations of existing buildings, and forensic engineering.

Picture of John Berry
Structural Designer

John Berry

B.S., Structural Design and Construction Engineering, Pennsylvania State University

John joined Keystone Structural Group in 2018 as a structural designer. He brings with him years of successful experience and will be responsible for assisting in the structural design of buildings, construction document production and supporting our Senior Engineers.

Picture of Jared Warren, E.I.T.
Structural Designer

Jared Warren, E.I.T.

B.S., Architectural Engineering, Pennsylvania State University

Jared interned with Keystone Structural Group in 2017 and became a full-time employee upon graduation, in May 2018, from Penn State University’s Architectural Engineering program. Jared is a structural designer and an important member of our team.