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We Are Creative Structural Engineers

operating nationally in support of the entire building lifecycle:

Group of structural engineers of O'Donnell & Naccarato
structural engineers of ODonnell & Naccarato

Services


New Buildings

  • Structural Design
  • Condition Assessment
  • Parking / Functional Design
  • Seismic Evaluation
  • Feasibility Study
  • Peer Review

Existing Buildings

  • Adaptive Reuse
  • Additions
  • Vertical Expansion
  • Interior Renovation
  • Facility Assessment
  • Emergency Response

Facades & Garages

  • Philadelphia Facade Inspection Ordinance-Compliant Assessments
  • NYC DOB-Compliant Assessments
  • Condition Assessment
  • Repair / Restoration Design
  • Historic Preservation

Leadership


Officers

Anthony Naccarato, PE, SE, F.ASCE

Chairman & CEO

Dennis Mordan, PE, SE

President

Scott Bauer, PE, SE, LEED AP

Vice President, Chief Engineering Officer

Michael Herrmann, PE, SE

Vice President, Chief Marketing Officer / Chief Administration Officer 

Melissa Pastras-Brugler, MBA, PHR, SHRM-CP

Chief Financial Officer, Chief Human Resources Officer

Paul Panzarino, PE, SE

Vice President

Principals

James Behler, PE, SE

Principal

Alan Miller, PE, SE

Principal

Michael Miller, PE, SE

Principal

Tom Miltner, PE

Principal

Mark Orsini, PE, SE

Principal

Brian Rawlings, PE, SE

Principal

Kyle Terry, PE

Principal

Douglas Wood, PE

Principal

Directors

Robert Franco, PE, SE

Regional Director

Daryl Fennell

Senior Associate, Director of Production

Tuna Yelkikanat, PE, LEED GA

Director of Strategic Partnerships

Holly Taubman

Marketing Director

Brian Starrett, PE

Senior Associate / Regional Director
Bill and Pete, 1988

Foundation

O&N’s predecessor Seymour Greenberg opened in Philadelphia in 1954 later welcoming Principals William O’Donnell and Peter Naccarato. In 1981 the firm adopted its current name and set a foundation for national growth. Today O’Donnell & Naccarato has two offices in the Mid-Atlantic region, two offices in Florida, a Midwest office, and O’Donnell & Naccarato Structural Engineers, our Manhattan based corporate affiliate.