Robert C. Sinn, P.E., S.E., S.E.C.B., F.A.S.C.E. has joined the Chicago office of Thornton Tomasetti, Inc. as senior vice president, bringing more than 20 years of experience in the structural design of complex and innovative buildings in more than a dozen countries.

Sinn, a former associate partner at Skidmore, Owings & Merrill LP, has been recognized for his talents in the structural engineering of challenging and complex structures. He is the recipient of the American Society of Civil Engineers 1999 award for Innovation in Civil Engineering for his work on the discretized lattice frame of the Guggenheim Museum, Bilbao, Spain. Additional award-winning projects include the Hotel Arts at Vila Olimpica, a 40-story exposed steel exoskeleton structure, Barcelona, Spain; BP Bridge, a Frank O. Gehry-designed pedestrian crossing at Millennium Park, Chicago, Ill.; and Broadgate Exchange House, a 255-foot-span arched building over railroad air rights, Liverpool Street Station, London, England.

Additional projects include the structural design of the Atlantico Pavilion in Lisbon, Portugal, which is the longest one-way roof span of glulaminated timber in the world; the 2.4-million square foot, 90-story mixed-use Trump International Hotel and Tower, Chicago, Ill., which will be the tallest all-reinforced concrete building in North America upon its completion; and the 500,000 square foot Virginia Beach Convention Center.

“Bob’s wealth of experience makes him an ideal fit for realizing our clients’ visions through innovative uses of materials and technologies,” said Daniel Marquardt, P.E., S.E., managing principal of Thornton Tomasetti. “I am confident that Bob will be instrumental in Thornton Tomasetti’s continued growth, both locally and internationally.”

Sinn is a fellow of the American Society of Civil Engineers and International Association of Bridge and Structural Engineering. He is a member of the Structural Engineers Association of Illinois (SEAOI), the American Institute of Steel Construction (AISC), and the American Concrete Institute’s Committee 363 on High Strength Concrete. He has published more than 50 professional papers.

Sinn is also an investigator in a National Science Foundation-sponsored project with the University of Notre Dame, The University of Western Ontario/Boundary Layer Wind Tunnel Laboratory and Skidmore, Owings & Merrill, that seeks to improve correlations between actual wind load responses of tall buildings and those predicted by computer models and wind tunnel studies.

He holds a B.S.C.E. degree from Northwestern University and an M.S.C.E. degree from Massachusetts Institute of Technology. He is Structural Engineering Board certified, a Licensed Professional Engineer in Illinois and New York and a Licensed Structural Engineer in Illinois.

About Thornton Tomasetti (www.ThorntonTomasetti.com)
Thornton Tomasetti provides engineering services to clients worldwide on buildings of all sizes and complexity. From the tallest buildings and the longest spans, to innovative building systems and materials, the firm is committed to creating the best solutions through its technical ingenuity, pursuit of excellence, and responsiveness to client needs. Our work is in three practice areas: Building Structures, Building Skin and Building Performance. Founded in 1956 as Lev Zetlin & Associates, today Thornton Tomasetti is a 650-person organization of engineers and architects collaborating from offices across the United States and in Shanghai, Hong Kong, London, Moscow, and the Middle East.

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