Thornton Tomasetti promotes Hatfield, Hsiao, Mancini, Squarzini, Choi, Schreier, Kalas, Gottlieb and Petrella

According to the managing principals of Thornton Tomasetti, the following individuals have been promoted: Erleen Hatfield, P.E., LEED AP, Ling-En Hsiao, Ph.D., Gary Mancini, P.E., LEED AP and Michael Squarzini, P.E. have been promoted from vice president/principal to senior vice president/principal. Hi Sun Choi, P.E. and Jeffrey Schreier have been promoted to principals in the New York office. They were formerly senior vice presidents. Jan Kalas, AIA, was promoted to senior vice president from vice president. Eli Gottlieb, P.E. and Libero Petrella, P.E. were both promoted to vice president. They were previously senior associates. Thornton Tomasetti provides building engineering services to clients worldwide on projects 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. 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 Hong Kong, London, Moscow, and Shanghai. Services cover structural design, building evaluation, and remediation to optimize building efficiency and performance. Thornton Tomasetti mobilizes rapidly to provide disaster response investigations, and delivers expert consulting services and testimony for legal and insurance purposes.