HOVER

Kenneth C. Hover has assumed the presidency of the American Concrete Institute, Farmington Hills, Mich., following the recent death of president Richard Stehly. Hover, a professor of civil and environmental engineering at Cornell University, Ithaca, N.Y., had been vice president.

RBF Consulting, an engineer-planner based in Irvine, Calif., has appointed Mike Giorgione as energy- services market leader and vice president in its San Diego office. Giorgione retired from the U.S. Navy as a rear admiral this past May; his positions included vice commander for NAVFAC Pacific Division, commanding officer at Camp David and executive officer of Public Works Center Pearl Harbor.

GIORGIONE

MAHMOUD

JMT, Sparks, Md., has appointed Brian Strizki as vice president and office manager of its Trenton, N.J., office. Strizki joins the engineering firm after a 30-year career with the N.J. Dept. of Transportation, most recently as state transportation engineer.

Hisham Mahmoud has been named president of AMEC’s earth and environmental business. Mahmoud, based in Atlanta, joins the engineer from the infrastructure and environment segment of URS, where he oversaw 40 offices in the U.S. and Canada as the East Coast/Midwest group general manager.

Craig Chambers has been promoted from director of engineering to president of BHC Consultants, Seattle. Chambers, a founding member of the engineer-planner, succeeds Gary Bourne, who remains on the executive committee.