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Board of Directors



Julian Lineham, Vice Chair


Julian Lineham, PE, SECB, F.SEI, F.ASCE, CEng, FICE

Studio NYL Structural Engineers and Facade Designers Contact

Julian Lineham, PE, SECB, F.SEI, F.ASCE, CEng, FICE, a founding Principal of Studio NYL, spent the first ten years of his career in London with some of England’s leading structural engineering firms.  While in London, Julian led structural engineering teams on many notable UK projects  In 1997 Julian moved to Boulder, Colorado.  In 2004 Julian co-founded Studio NYL Structural Engineers.  The company has built a reputation in the Colorado region and beyond for excellence in creative structural design services, winning over 160 awards.  Julian is a Board Member of SECB and previously chaired the Structural Engineers Association of Colorado/American Institute of Architects (AIA) Architectural Liaison committee for 5 years.  He is the Western USA Representative for the Institution of Civil Engineers (London, UK), representing 13 USA Western States.  He frequently guest lecturers at local Universities and AIA events, and recently guest lectured at the American University of Sharjah, Dubai.  Julian is a licensed Professional Engineer (PE) and also holds a Chartered Engineering (CEng) license in England.  He became a Fellow of ICE in 2017, and a Fellow of ASCE and SEI in 2018.




Vice Chair

Chris Cerino, P.E., SECB

STV, Inc Contact

Mr. Cerino, Director of Structural Engineering in STV’s New York office, is experienced in managing the design of large-scale, complex projects. With 20 years of experience, he has overseen the design of various educational facilities, hotels, transit structures, and residential high-rise towers. Mr. Cerino coordinates the design efforts among various disciplines and directs teams to successfully prepare and deliver structural plans on schedule. He has managed the structural design of several buildings designed by Pritzker Prize-winning architect Frank Gehry, including the IAC/InterActiveCorp headquarters in Manhattan, as well as the Peter B. Lewis Library at Princeton University. Mr. Cerino is skilled in the use of building information modeling (BIM) to prepare design drawings, and works closely with project architects to prepare structural plans that accommodate visionary building designs.



Stan Caldwell - Secretary                      


Donald O. Dusenberry, P.E., SECB, F.SEI, F.ASCE

SEI representative on SECB Board, SELC alternate representative on SECB Board
SGH, Inc. Contact

Don Dusenberry joined the Engineering Mechanics Division of Simpson Gumpertz & Heger Inc. in 1975 and serves as a Senior Principal.  He has taken part in numerous complex investigations, analyses, and peer reviews of buildings, building components, and infrastructures.  He has extensive experience in investigations of failed structures, including buildings, bridges, and mechanical structures.  Don is an active participant in numerous professional organizations, including the Structural Engineering Institute of the American Society of Civil Engineers, for which he is a former President of its Board of Governors.  Don has written extensively on failure investigations and topics such as structural performance under extreme events including blast, fire, and disproportionate collapse. 



Edward M. DePaola - Director


Edward M. DePaola, P.E., SECB, F.SEI, M.ASCE

SEI representative on SECB Board, SELC alternate representative on SECB Board
Severud Associates Consulting Engineers, PC Contact

Ed DePaola, PE is President and CEO of Severud Associates Consulting Engineers PC, New York. He is licensed in 21 states, and a member of numerous professional organizations including the American Concrete Institute (ACI), the American Society of Civil Engineers (ASCE) and the American Institute of Steel Construction (AISC). He is a past President and Founding Member of the Structural Engineers Association of New York (SEAoNY) and is currently a member of the Board of Governors of the Structural Engineering Institute (SEI), and the Board of Directors of the Structural Engineering Certification Board (SECB). Over the past 35 years, he has designed numerous projects including high-rise buildings, long-span facilities and special structures requiring innovative structural solutions. His structural designs include the Jeppesen Terminal Roof and Glass Enclosure Structures of the Denver International Airport, the American Airlines Terminal at JFK International Airport and the Bank of America Tower at One Bryant Park. He received a Bachelor of Science Degree and a Master of Science Degree in Civil Engineering from the University of Notre Dame, and his Juris Doctorate from Seton Hall School of Law. He was the Principal-in-Charge of the “Bank of America Tower at One Bryant Park”, the second tallest building in NYC and the first high-rise office structure in the world to receive a LEED Platinum rating. In March of 2012, he was made a Fellow of The Structural Engineering Institute of ASCE.




Stakeholder Director

Russell Conn

Conn Kavanaugh Contact

Russell is a partner at Conn Kavanaugh Rosenthal Peisch & Ford, LLP in Boston, MA, and has been representing design professionals for over forty years. His practice includes defending professional liability claims, negotiating and drafting contracts, and assisting many professionals as their principal outside legal counsel on a whole host of legal matters. The latter includes employment and human resources counseling, leasing, banking, and collections issues. He has frequently lectured to national, state, and local groups serving design professionals, including the American Society of Civil Engineers, Structure, and the Massachusetts and Boston Societies of Structural Engineers. Russell tried his first construction case in 1978 and has since worked with clients to try dozens of other cases. He also has a well-developed national practice in insurance coverage and bad faith matters, a complementary adjunct to his professional liability and defense work.

Russell is recognized by Best Lawyers in America and has received an AV Peer Review Rating, the highest rating in the Martindale-Hubbell Lawyers Directory. He also has been named a Massachusetts Super Lawyer every year since the designation was created in 2004.



Stan Caldwell - Secretary                    

Public Director

Dan Eschenasy, P.E., SECB, F.SEI

NYC Buildings Department Contact

Dan Eschenasy is the Chief Structural Engineer of the New York City Buildings Department. He is in charge of the response and investigation of major construction and building accidents. He advises the Commissioner on engineering matters and makes final determination on structural issues.  His 35 years structural engineering design experience ranges from petrochemical facilities to high rise office towers to restoration of pre-1900 facades. A Fellow of SEI since 2014, he is a member of several ASCE Standard committees. For his work in organizing the structural engineering response at Ground Zero he was elected an Honorary Member of the Structural Engineers Association of New York (SEAoNY). He holds a Dipl. Ing. (BS/MS) from the Institutul de Constructii  Bucharest and a Master of Science in Management from MIT.




Stakeholder Director

Lucas Tryggestad, AIA

SOM, LLP Contact

Lucas Tryggestad is an Associate Director and Studio Head at the Chicago office of Skidmore, Owings & Merrill LLP. Mr. Tryggestad currently holds a Master of Architecture and a Master of Science in Civil and Environmental Engineering from the University of Illinois. Mr. Tryggestad aligns project design concepts with technical solutions that are integral to the design process. His hands-on, synergistic team approach leads to innovative projects that elevate the bar for design and technology. As a Senior Technical Designer, Mr. Tryggestad is responsible for overseeing a project’s technical development from its onset to its completion.




Executive Director

Jenna Ayala


Jenna Ayala is an Association Manager with Jaffe Management. She is the Executive Director of the American Board of Multiple Specialties in Podiatry and Chapter Administrator for the National Association of Corporate Directors New York Chapter. In this role she supports the Board of Directors, plans and implements events and maintains membership accounts. Prior to this role, she spent five years as the Director of Administrative Services at a professional testing company in their association management division. She has also served as the Executive Director of the American Board of Spine Surgery, as Assistant Executive Director for multiple other nonprofit associations and has worked on the finance side of commercial real estate with CB Richard Ellis.

She received her bachelor’s degree from Bryant University with a concentration in Finance and Marketing. She holds a Certificate of Credentialing Specialist from the Institute for Credentialing Excellence (ICE) and serves as a volunteer on their International Committee. Jenna is also a member of ASAE and NYSAE.