NEW YORK, Oct. 16, 2013 /PRNewswire/ -- Langan Engineering, Environmental, Surveying and Landscape Architecture, D.P.C. (Langan), announced today that Vassilis Papayannoulis, Ph.D.,  one of the region's most respected and accomplished transportation and traffic engineers, has joined the firm as the Transportation Planning Group Manager based out of the New York office.  Papayannoulis, formerly the Regional Manager for Transportation Planning at the IBI Group, has 28 years of traffic operations and transportation planning experience throughout the New York, New Jersey and Connecticut Metropolitan Region.

"We are extremely fortunate to add someone with the credentials of Vassilis Papayannoulis to our firm," said George E. Leventis, Managing Principal/Executive Vice President and President of Langan International. "He brings an impressive variety of experience to Langan, and will no doubt help grow our transportation and traffic practice in New York and internationally, which certainly includes improving game/event operations at major destinations such as stadia/arenas in the U.S. and around the world."

Papayannoulis will be heading the New York office's traffic engineering and transportation planning team. His expertise includes transportation modeling, traffic operations, GIS & transportation data management systems, safety planning and transportation system performance analysis. Papayannoulis also has extensive experience in game-day traffic operations for sports arenas, and he has led analyses supporting highway improvements and circulation patterns for major stadia in the region.

"I have known and worked with professionals from Langan in the New York Metro area throughout my career, and I have the utmost respect for the firm," said Papayannoulis. "I am honored and excited to now be part of Langan and look forward to helping the firm grow and expand regionally, nationally and internationally."

Papayannoulis has worked with federal, state, regional and local governmental agencies, and has served on several peer review panels throughout the nation. He also taught transportation courses at the Polytechnic Institute of New York University and City University of New York (CUNY) City College of New York.

About Langan Founded in 1970 and headquartered in Elmwood Park, N.J., Langan (www.langan.com) provides integrated site engineering and environmental consulting services for private developers, property owners, and public sector clients. Langan employs nearly 700 professionals and has regional offices in New Jersey, New York, Pennsylvania, Connecticut, Virginia, Florida, North Dakota, and California. With more than 125 LEED APs, the firm ranks among the top Green Design Firms by Engineering News-Record and has consistently ranked among the Best Engineering Firms to Work For by CE News.

Langan International, the firm's wholly-owned subsidiary based in New York, provides all technical disciplines from offices in Abu Dhabi, Dubai, Athens, Doha and Istanbul.

SOURCE Langan Engineering & Environmental Services

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