Recognized as one of the leading consultancies in structural engineering for historic and old buildings, Old Structures provides reports, drawings, and specifications that give detailed guidance to owners, designers, and contractors, enabling the preservation, restoration, and alteration of landmarked and other older structures. Donald Friedman and Marie Ennis, the firm’s principals, are widely acknowledged as experts in this field, known both for the breadth of their experience and for their contributions to advancing the knowledge and practice of this specialty.

Donald Friedman, PE

Dfriedman [at] OldStructures.com

Marie Ennis, PE

MEnnis [at] OldStructures.com

Silvana Cecchin, PE

SCecchin [at] OldStructures.com

Andrew Evans

AEvans [at] OldStructures.com

Shaquana Lovell

SLovell [at] OldStructures.com

Sarah Green

SGreen [at] OldStructures.com