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 tenure as Chief Executive of CantorSEINUK, 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 a principal of YAS since it was founded in 1977. 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 20 years of experience in the design and inspection of office buildings, pubic 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 Stonybrook 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 Ocampo
Senior Vice President
Jaime Ocampo has over 30 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.

In his over 23 years in New York City, he has been responsible for engineering and managing several high rise projects which have merited recognition from the Concrete Industry Board, including the Con Edison Substation housed in the lower levels of the new Seven World Trade Center. His other notable projects include the O14 Building in Dubai, UAE and the soon to be tallest building in Miami, the 76 story Met 3 residential tower. He is currently working on high rise projects is Manhattan, Miami, Sunny Isles, FL, and Seattle, Washington.

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
Vice President
Mr. Shi has ten years of professional experience in the design, engineering and construction of commercial, institutional, K-12, government, and historical preservation projects from conception through close-out, while coordinating clients, contractors, budgets, schedules, and man-power. He possesses the communication tools, leadership, and unique inter-personal skills to foster teamwork between the design team, contractors, and clients. Proficient computer skills including AutoCAD, RAM, RISA, STAAD, and Microsoft office.

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 over 27 years experience in the design and rehabilitation of bridges and various infrastructure projects. He joined Ysrael A. Seinuk, P.C. in 1981 and has demonstrated increasing responsibility in coordinating work with clients including the NYSDOT, NYSTA, NYCDOT, NYCDEP and other consultants in preparation of contract documents in all design phases and in construction support services. His most recent projects include the design and reconstruction of 11 bridges on the Van Wyck Expressway, Jamaica WPCP, Woodbury Toll Plaza, Belt Parkway bridges over Rockaway Parkway and the Nostrand Avenue and Belt Parkway Bridge over Mill Basin.

James Rzeczkowski
Vice President
Mr. Rzeczkowski has over 25 years of experience in structural design, construction, inspection, and supervision and construction design management.

His inspection experience includes major building rehabilitation, sewer line installation, wastewater treatment plant facilities and subway utility systems. His design experience includes the rehabilitation of 8th Avenue, 23rd Street and Prince Street stations for New York City Transit, modernization of the 207th Street Overhaul Shop for New York City Transit, rehabilitation and upgrading of Manhattan Family Court for the Dormitory Authority of the State of New York, addition of elevators at the east parking garage at JFK Airport for the Port Authority of NY & NJ, upgrading Penn Station for the High Speed Rail project for Amtrak and design and inspection of various schools for the NYC School Construction Authority.

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.