Raj Gupta has been named chief executive of Environmental Systems Design Inc., replacing Hem Gupta, who remains chairman. Gupta will oversee all operations and strategic planning for ESD, a consulting engineering firm responsible for designing systems for many of Chicagos iconic buildings and for high profile projects around the world, including UBS Tower, Citadel Center, Hyatt Center and 111 S. Wacker Drive in Chicago. He joined the firm in 1984 as a mechanical engineer and became vice president of the mechanical engineering department in 1990. In 1993, he was promoted to executive vice president and in 1998 was elected president. He is a member of the executive committee and a trustee of the Chicago Architecture Foundation, a trustee of the Adler Planetarium, a member of the board of directors of the Advocate Charitable Foundation, a member of the Chicago Council on Global Affairs, and a member of the Young Presidents Organization. He is also active as a board member of the Roberts Environmental Center at Claremont McKenna College. He earned a masters of science degree in communications from Northwestern University, a bachelors of science in mechanical engineering from Washington University in St. Louis and a bachelors of arts in management engineering from Claremont McKenna College.