My Profile

Mr. Daniel Nall, FAIA

Vice President,
Syska and Hennessy

Contact Details

Syska and Hennessy
New York, NY


Dan Nall is a Vice President at Syska Hennessy Group, and Regional Director of High Performance Solutions. He is registered architect, a professional engineer, a Fellow of ASHRAE and AIA, a LEED Fellow, an ASHRAE certified Building Energy Modeling Professional, a certified High Performance Building Design Professional and a Certified Passive House Consultant. He is a member of the Advanced Energy Design Guides Steering Committee, the New York City Buildings Sustainability Board and is Vice Chair of the ACEC New York City Energy Code Committee. He was Vice Chair of the ASHRAE Standard 189 committee, a Director of the USGBC NY Chapter, a member of the AIA National Committee on the Environment, and Vice Chairman of the USGBC Energy and Atmosphere Technical Advisory Group. He was one of Engineering News Record’s “Newsmakers of 2007,” and received the “Outstanding Practitioner” award from the International Building Performance Simulation Association (IBPSA) in 2004. Projects in which he had an engineering leadership role include 200 West Street (Goldman Sachs Headquarters), the Hearst Tower and the NY Times Headquarters Building in New York, the Newseum in Washington, DC, the William Jefferson Clinton Presidential Center, in Little Rock, AR, the Banco Macro Headquarters Building in Buenos Aires, the Godrej Headquarters Building in Mumbai, and the U.S. Embassies in Cape Town, South Africa, Sofia, Bulgaria and Kathmandu, Nepal. He has been a faculty member at the Schools of Architecture at the University of Pennsylvania, Princeton University, Cornell University and Columbia University, has been involved in energy efficiency and sustainability in buildings for almost 40 years and has authored numerous papers in professional and technical journals.


Cornell university
Ithaca, New York, United States
B. Arch., 1976
1972 To 1976
Dissertation: A Building Thermal Analysis System with Computer Graphic Input and Output
Advisor: Donald P. Greenberg

Boston Architectural Center
Boston, Massachusetts, United States
1971 To 1972

Princeton University
Princeton, New Jersey, United States
B.A., 1970
English Literature
1966 To 1970
Dissertation: Roger Pinter

Job History

Syska and Hennessy
Vice President
July 2014 - present

Thornton Tomasetti
Senior Vice President
New York, NY, United States
March 2013 - July 2014

WSP (Flack + Kurtz)
Senior Vice President
New York, NY, United States
July 1997 - March 2013

Roger Preston + Partners
Managing Director
Atlanta, GA, United States
July 1993 - July 1997

Jones Nall and Davis
Atlanta, GA, United States
April 1984 - July 1993

Heery Energy Consultants
Associate Director
Atlanta, GA, United States
September 1980 - April 1984


  • American Consulting Engineers Council (ACEC)
  • American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE)
  • U.S. Green Building Council (USGBC)