Professor Ysrael A. Seinuk, P.E.
Chief Executive Officer
Professor Ysrael A. Seinuk is a Fellow of the American Concrete Institute, American Society of Civil Engineers, and the Institution of Civil Engineers (U.K.), and is a worldwide authority on the design and construction of high-rise concrete and steel buildings, a lecturer, author, educator, and entrepreneur. A native of Cuba and a graduate of the University of Havana, Professor Seinuk is a licensed engineer in 15 states: the District of Columbia, Puerto Rico, and the United Kingdom.

Having founded Ysrael A. Seinuk, P.C. in 1977, he concurrently chairs the Structural Department at the Irwin S. Chanin School of Architecture at the Cooper Union for the Advancement of Science and Art in New York and is Chairman of the Academic Standards Committee. Professor Seinuk has received over 60 industry, professional, and community awards including the Concrete Industry Board’s Leader of Industry Award and the Cooper Union Urban Visionaries Award. Professor Seinuk was the only American invited by the Institution of Structural Engineers of Great Britain to participate in the post 9/11 publication of standards for tall building design for the European Union.

During his career, Professor Seinuk was intensively involved in the creation of the structural concepts and supervised the structural design of an extensive portfolio of major projects. Among the most notable New York projects are the Trump World Tower* (4 engineering awards); Bear Stearns World Headquarters*; Time Warner Centre at Columbus Circle*; Trump's Riverside South apartments; the New York Mercantile Exchange; Four Time Square*; 515 Park Avenue* ; the "Lipstick" Building*; Trump Tower on Fifth Avenue*; the Arthur Ashe Tennis Stadium in Flushing Meadows*; 7 World Trade Center*; The Galleria*; and the landmark 450 Lexington Avenue. In addition, Professor Seinuk has supervised many notable international projects, including Torre Mayor* in Mexico City.

Estanislao Salcedo, P.E.
President
Mr. Salcedo, having launched his career in 1975, has been with YAS since it was founded in 1977. He became a principle in 1987. He has extensive experience in the design of high-rise office buildings, hospitals, and renovation and alteration projects, Mr. Salcedo has been instrumental in an impressive variety of state-of-the-art engineering projects including: The Condé Nast Building, an environmentally sustainable structure at 4 Times Square; the New York Hospital for Special Surgery spanning the FDR Drive; and The Children’s Hospital at Montefiore, a premier health care facility in the Bronx.

Susan C. Bacas, P.E.
Senior Vice President
Susan C. Bacas has over 27 years of experience in the design and inspection of office buildings, public works projects, bridge and highway projects, retail, parks and recreation. She has completed a number of feasibility reports. She has extensive experience in the design of educational buildings including the Bronx School for Law and Justice, Sunset Park HS, PS/IS 263, Gateway HS, IS/HS 362X, the High School of Law Enforcement, P.S. 58R, P.S. 6R, and P.S. 56R, Queens Vocational High School, the West Hampton Beach School District, the Hampton Bays School District, the Fire Island School District and the Newburg NY School District.

Other projects include: BMCC Fiterman Hall, CUNY Queens College Remsen Hall, SUNY Stony Brook Center for Excellence, Manhasset Public Library, Bear Sterns World Headquarters, Queens Family Court House, Medgar Evers College, 33rd Precincts, renovation of IS2R, Queensborough Plaza Subway Station, Lehman College Master Plan, Brooklyn Bridge Park Master Plan, renovations to the Statue of Liberty and The Cube in Miami Fla.

Susan holds a Bachelor of Science degree in Civil Engineering and a Master of Science degree in Structural Engineering, both from Columbia University. She is an active member of numerous professional associations and is licensed by the States of New York, New Jersey and Florida.

Jaime M. Ocampo
Senior Vice President
Jaime Ocampo has over 33 years of experience in structural design and project management, with particular expertise in the design of high rise buildings. His list of projects, nationwide and abroad, includes high rise reinforced concrete residential and mixed-use buildings, hotels, institutional and industrial buildings, healthcare facilities, parking structures, theaters and sports stadiums.

Over his 26 years in New York City, he has been responsible for engineering and managing several high rise projects which have merited recognition from the American Council of Civil Engineering Companies and the Concrete Industry Board, which includes the very slender 43-story, 785 Eighth Avenue residential tower in Manhattan and the lower levels of the new Seven World Trade Center housing the Con Edison Substations. His other notable projects include the O14 Tower in Dubai, UAE (2010 ACEC NY Diamond Award for Excellence – Structural Systems), The Loft 2 in Miami (2008 ACEC NY Silver Award for Excellence), Solis Resort, a mixed-use tower in Sunny Isles, Florida and the newly completed St. Tropez on the Bay, also in Sunny Isles, Florida.

George Ozga, P.E.
Senior Vice President
Mr. Ozga has a comprehensive background of over 25 years of experience in all phases of project design and supervision, including engineer, architect, and contractor relationships, from project inception to completion. He joined Ysrael A. Seinuk, P.C. in 1987.

His project experience includes high rise reinforced concrete hotel buildings, institutional and industrial buildings, schools and health care facilities. Some of his projects include: The Westin New York at Times square, Bronx Criminal Courthouse, Alfred E. Smith State Office Building in Albany, NY , Court of Appeals in Albany, NY, Jacobi Medical Center in Bronx and Kings County Hospital Center Facilities in Brooklyn, NY.

Sheng Shi, P.E., LEED
Senior Vice President
Sheng Shi has more than 15 years of professional experience in the design, engineering and construction of commercial, institutional, K-12, government, historical preservation, and high rise projects from conception through close-out, while coordinating clients, contractors, budgets, schedules, and man-power. He possesses the communication tools, leadership, and unique interpersonal skills to foster teamwork between the design team, contractors, and clients. Some recently completed projects include MET II Complex, a 2.2 million square foot building; SUNY Stony Brook – Center for Excellence in Wireless and Information Technology, Buffalo State College Burchfield Penney Art Center, Manhasset Public Library, and Hampton Bay Middle School.

Mr. Shi has developed company wide structural engineering standards for design, specifications, and document presentations. He has also developed quality processes, monitors the execution of various projects and promotes interoffice exchange of information and technology.

Mr. Shi holds a Bachelor of Science degree in Civil Engineering and a Masters of Science degree in Structural Engineering, from Drexel University. He is an active member of numerous professional associations and is licensed in the State of New York, Delaware, Florida, and Washington. He is also an Adjunct Professor at Cooper Union.

Hüseyin Kopkalli P.E.
Senior Vice President-Chief Bridge Engineer
Hüseyin Kopkalli joined Ysrael A. Seinuk, P.C. in 1998. He holds Bachelor of Science degree from Istanbul Technical University and Master of Science degree from Polytechnic Institute of New York.

It is difficult to traverse the eastern United States without coming across a structure that has felt the influence of Hüseyin Kopkalli from Boston’s Harvard Bridge to US 1 over Vaca Cut in Florida. His notable bridge projects include the Replacement of the Historical Bridge carrying Route 59 over the Merritt Parkway in Connecticut, the AISC prize winning Augustine Bridge over Brandywine Creek in Delaware, the Bridge over the Mississippi River in Gramercy, Louisiana, the Shadle Bridge over Kanawha River in W. Virginia, bridges carrying Carle Road and Ellison Avenue over Northern State Parkway, the LIE over Searingtown Road, the rehabilitation of seven Henry Hudson Parkway Southbound Bridges in New York, the Broad Thoroughfare Bridge carrying NJ Route 152 over the Intercostals Waterway, and Pedestrian Bridges connecting the Kansas City Museum to the Westin Hotel in Montana.

Additionally, Mr. Kopkalli has had considerable experience designing a number of highway projects. His highway projects include the Relocation of Route 2 in West Virginia, Interim Highway and Safety improvements to the Henry Hudson Parkway Northbound from the George Washington Bridge to Dyckman Street in New York City.

Wai-Lam Li, P.E.
Senior Vice President
Mr. Li has 32 years extensive experience in the design and rehabilitation of highway bridges. He has supervised and managed for a wide range of bridge design and reconstruction projects in all phases including biennial and in-depth inspections, preparation of BRPR, EPP, load rating, seismic analysis, preliminary plans and final PS & E as well as providing structural support services during construction period. He has also participated and handled structural design for water pollution control plant facilities and other infrastructure projects.

Wan Long He, Ph. D, P.E.
Vice President
Mr. Wan Long He joined Ysrael A. Seinuk, P.C. in 2004. Since joining YAS, he has been responsible for the analysis of high rise buildings and other structures both national and international. Some of his projects include: O-14 Tower, 785 Eighth Avenue, Solis Resort, BMCC Fiterman Hall, Loft II and Hofstra University Graduate Residence Hall.

Mr. Wan Long He holds a Bachelor of Science degree from Hohai University in Nanjing, China, a Masters of Science from Tsinghua University in Beijing, China and a Ph.D from the City University in New York. His past experience includes being a lecturer at Changsha Railway University in China. He also has an extensive research background, with an assortment of published papers to his credit.

Roberto Salgado, P.E.
Vice President
Roberto Salgado has over 40 years of experience in structural design. His experience has focused on the design of high-rise residential and commercial buildings. In addition to concrete and steel construction, he has been involved with projects utilizing various types of construction such as using prestressed concrete as pretensioned units in masonry and precast concrete bearing wall construction or cast-in-place post-tensioned slabs.

Beatriz Seinuk-Ackerman
V.P. Marketing and Business Development
Beatriz Seinuk-Ackerman has 23 years of experience in marketing, business development and management. She joined Ysrael A. Seinuk, P.C. in 2001. Her previous experience includes marketing and management in the textile industry and the wholesale arts and crafts industry. She was a former scriptwriter for the WNET on-air Art Auction and Assistant Field Survey Coordinator and Archival Research Intern for the New York City Art Commission. She assisted in the preparation of budgets for the Galería de Arte Nacionál in Caracas, Venezuela and initiated a project for the creation of a Retail Division for the Tel Aviv Museum in Israel.

Ms. Seinuk-Ackerman holds a Bachelor of Arts in Art History from Queens College, and a Masters Degree in Arts Administration form New York University. She is a member of several professional organizations including SMPS and the New York Business Women’s Network.