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Hennessy, John F.

John F. Hennessy

John F. Hennessy attended the Massachusetts Institute of Technology, where he wrote his thesis about methods of water supply in hotels and office buildings. [1] After he graduated, he went on to become Syska Hennessy Group Inc.‘s first chairman and CEO. After his death, Hennessy’s role as CEO was passed down to his son and, eventually, his grandson, until 2000 when his grandson, John F. Hennessy III stepped down to form his own firm. [2]

Specialties:
mechanical engineering
electrical engineering

Selected Projects:

The Frick Collection in New York City


United Nations Headquarters in New York City


Lincoln Center for the Performing Arts in New York City

Sources:
[1] – “The water supply of office buildings and hotels” by John F. Hennessy
[2] – Syska Hennessy Group Firm History

Written by Lauren Owoc

January 31, 2011 at 6:24 pm

Posted in Engineers

Syska Hennessy Group, Inc.


Syska Hennessy Group, Inc.
Main Office: 1515 Broadway, New York, NY 10036

Additional Locations:
Atlanta, Georgia
Cambridge, Massachusetts
Charlotte, North Carolina
Chicago, Illinois
Dallas, Texas
Jacksonville, Florida
Los Angeles, California
Princeton, New Jersey
Richmond, Virginia
San Diego, California
San Francisco, California
Washington DC
Madison, Wisconsin
Shanghai, China

Number of Employees: 500+

Engineering Specialties:
Aquatic Life Support
Architectural Lighting Design
Audio/Visual Design
Building Science and Technologies
Commissioning
Communications Systems
Construction Cost Control
Construction Management
Electrical Engineering
Environmental Controls
Estimating
Fire Protection
General Construction
High Performance Design
HVAC
Inspection and Oversight
Lighting
Master Planning
Mechanical Engineering
On-Site Support
Plumbing
Power Supply Management
Project Developing
Project Financing
Project Management
Project Risk Management
Safety Plan Development
Scheduling
Site Acquisitions
Site Selection
Strategic Planning
Sustainability
Technology Infrastructure
Telecommunication
Value Engineering
Vertical Transportation

History:
Syska Hennessy Group, Inc. was founded in 1928 by mechanical engineers Adolph G. Syska and John F. Hennessy. Originally named Syska & Hennessy Engineers, the firm strongly focused on electrical and mechanical engineering technologies, but soon expanded their expertise to include “consulting, engineering, technology, and construction services.” Its first major project was the U.S. Post Office Department Building in Washington, D.C., quickly followed by the Frick Collection in New York City, and finally entering the global level in 1939 with the ES&A Bank in Melbourne, Australia. Over the next few decades, Syska Hennessy Group, Inc. developed new technologies such as solar energy use, combination lighting fixtures and air diffusers, and strip line air diffusers. Their selection as the project engineer for the new United Nations headquarters in New York City solidified their position as an industry leader. [1] As well as broadening their technological expertise, the firm expanded in size by establishing offices all over the country, as well as a few internationally. Over the years, the firm was put in charge of many more high profile projects including: The Lincoln Center for the Performing Arts, The John F. Kennedy Center for the Performing Arts in Washington as well as the renovation of the Pentagon after the 9/11 attacks. [2]

In 2000, Syska Hennessy Group, Inc. transitioned from a family-owned firm to a management-owned firm, and is currently under the leadership of Co-CEOs Gary Brennen and Cyrus Izzo. They pride themselves in their leadership in technologies such as sustainable design, low voltage technology, and architectural lighting design, while still maintaining their skills in mechanical and electrical engineering that enabled them to build such a strong foundation as a company. [1]

Selected Projects:

Indiana Convention Center Expansion, Indianapolis, Indiana


Pheonix Convention Center Expansion, Pheonix, Arizona


University of Maine Michael Klahr Holocaust Resource Center, Augusta, Maine


New Science Building at City University of New York, Bronx, New York


Housing and Dining Services Admin Building at the University of California San Diego, La Jolla, California

Sources:
[1] – Syska Hennessy Group Firm History
[2] – “John F. Hennessy,” Architectural Engineers of the 20th and 21st Century: The University of Texas at Austin, research by Daniel Vargas

Written by Lauren Owoc

January 25, 2011 at 6:09 pm

Posted in Engineers