Michael Holloway has joined Plaza Construction Company as a vice president and head of its newly created residential division. He will oversee day-to-day operations of multi-family projects. Holloway comes from Gotham Construction, where he was president for five years.

The Port Authority of New York and New Jersey has filled two top posts. Kenneth Ringler Jr. is the new executive director, nominated by New York Gov. George Pataki. Ringler had most recently served as the New York State Commissioner of General Services. James Fox has joined as deputy executive director. He had most recently served as chief of staff to former New Jersey Gov. James McGreevey, who resigned in November.

Steve Greene has been promoted to area general manager of New Jersey operations at Skanska USA Building Inc.

Donald Landau has joined the Olnick Organization as vice president of construction.

Mary Williamson has been named director of business development in New York for Brennan Beer Gorman Architects and Brennan Beer Gorman Monk Interiors.

Joseph R. Loring & Associates Inc. has promoted Michael DesRochers, P.E., to executive vice president and Steven Kenah, P.E. to senior vice president. Kenah has also been appointed to the board of directors.

Frederic Bland, FAIA, has been named managing partner of Beyer Blinder Bell Architects and Planners LLP.

Christopher Marcinkoski, a 2004 graduate of Yale University in urban design studies, is the winner of the $7,500 Skidmore, Owings & Merrill Foundation Urban Design Traveling Fellowship for his project to study airport terminals.

Jack Rudin and his late brother Lew Rudin of the prominent real estate and development family have been inducted into the Scout's Camping Hall of Fame by the Greater New York Councils of the Boy Scouts of America.

Robert Brownstein, principal consultant with PB Consult in New York, was named 2004 Outstanding Public Transportation Business Member by the American Public Transportation Association.