Emily Lloyd has started her new post as commissioner of the New York City Department of Environmental Protection. She previously served as commissioner of the city's Department of Sanitation from 1992 to 1994. She is overseeing a $16 billion, ten-year capital plan, which includes projects to construct the city's third water tunnel and the Croton Water Treatment Plant.

Gerard "Guy" Geier II has joined as a principal at Fox & Fowle Architects of New York.

Patrick Gillespie has been appointed New Jersey's first smart growth ombudsman to coordinate implementation of the state's Smart Growth Act, which will provide regulatory relief for development and redevelopment in specified areas.

Scott Goodwill has joined the Albany office of Einhorn Yaffee Prescott Architecture & Engineering as a principal.

Henry Abernathy has joined the New York-based architectural firm Perkins Eastman as a principal.

Sergej Ochrimenko has been hired as a project manager in the Hawthorne, N.J., office of Baltimore-based Structural Preservations Systems, a contractor specializing in structural repair and strengthening.

Mazher Usmani has taken a post as assistant manager of the construction services branch for New York and New Jersey at Dewberry, an engineering firm based in Fairfax, Va.

William Spencer has been named by Barrett Co., a roofing firm based in Millington, N.J., to lead its national sales efforts.

Mitchell Reiter has joined the Rockville Centre, N.Y., law firm of Goldberg & Connolly as an associate.

R. Mark Dempf and Gary Sorge have been named partners at Vollmer Associates, a New York-based engineering and architectural firm.

Zvi Boymelgreen has been appointed CEO of Leviev Boymelgreen, a development company based in Brooklyn.

Sean Tham has been promoted to vice president of marketing at W.A.C. Lighting of Garden City, N.Y.

TPG Architecture, based in New York, announced that four current staff members have been named principals: Inga Kruliene, a design director; Steven Segure, a studio director; Neil Tucker, a studio director; and Alec Zaballero, a design director.

Ronald Drucker, a former executive at CSX Corporation Railroads, has been elected chairman of the board of trustees at the Cooper Union for the Advancement of Science and Art in New York.

George Kelley has been appointed chairman of the board at Langan Engineering & Environmental Services of Elmwood Park, N.J.

K. Peter Yu, president of the engineering firm Yu & Associates in Elmwood Park, N.J., recently won the 2004 U.S. Secretary of Transportation's Minority Business Enterprise Award.

Stephan Butler has been named to the executive committee on social and environmental construction concerns of the Construction Institute's Owners Directorate.