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Who we are

Old Structures Engineering brings award-winning technical expertise, responding to complex challenges on all aspects relating to historical and existing building projects.

OSE team

TEAM

Our technical staff are structural engineers, with various additional training in history and historic preservation.

Mona Abdelfatah

Principal
Don

Donald Friedman

Principal

Marie Ennis

Principal

Michael Lo

Principal
Shaquana

Shaquana Lovell

Associate
Ellen

Ellen Key

Project Manager
Tim

Tim Michiels

Project Manager
Melanie

Melanie McCloy

Engineer
Ashley

Ashley Farrell

Office Manager

Consultants

Gabriel Pardo Redondo

Project Manager

Ksenia Tretiakova

Project Manager

Diane Kaese

Project Manager

We are proud to be a certified B Corporation. The accreditation speaks to our high standards of social and environmental performance, transparency and accountability.