Bob Didier of Irwin Contracting Inc., Hauppauge, N.Y., has been named president of the National Association of the Remodeling Industry's New York City/Long Island Chapter.

Nest Seekers International, New York, appointed Joseph DeChristofaro as executive vice president and managing partner of its new Southampton office.

BORMANN

COLLINS

HDR Architecture, Princeton, N.J., hired Chris Bormann as health-care principal. He will be responsible for strengthening the firm's presence in the health-care field throughout the Northeast. Bormann has a strong background in health-care facility planning, master planning, design and project management. Previously, Bormann managed Perkins + Will's health-care practice in its New York and Philadelphia offices.

Winoker Realty Co., New York, hired David Simon to serve as a director of the firm. He will work on occupancy assignments and be in charge of growth of Winoker's media platform. Simon will report to executive vice president Corey Abdo.

CNY Builders, New York, hired Jerry Collins as director of marketing and business development. In this role, Collins will assist principals in developing new business strategies and oversee the firm's marketing initiatives. Previously, Collins served as vice president at URS Corp. and also worked at construction firms J.A. Jones Construction, York Hunter and Lehrer McGovern Bovis.

SEDA

JOARDER

Horizon Engineering Associates, New York, hired Keith Seda as director of engineering for its Northeast region. Seda will manage and oversee offices located in Long Island, Albany, Syracuse and Manhattan. He has more than 20 years of engineering and project management experience and has previously served in the roles of operations manager and corporate managing engineer for firms in New York and New Jersey.

NobleStrategy, Newark, N.J., was presented with the 2011 Construction Manager Minority Women Business Enterprises' Building the Future Award by Anchin, Block & Anchin, LLP. Paul T. Williamson Jr., president of the Dormitory Authority of the State of New York, presented the award at Anchin's Building the Future: Celebrating MWBEs and Their Advocates recognition event.

Dewberry, New York, promoted Shahidul H. Joarder to department manager of mechanical, electrical and plumbing services in the New York City office, where he will manage the department's daily operations. Joarder has been with Dewberry since 2008 and has more than 30 years of experience in electrical light and power systems as well as fire alarm and telephone systems. He also has expertise in electrical systems for subways, tunnels, bridges and highways.

Nicholas T. Williamson of JRS Architect PC, Mineola, N.Y., earned his New York architecture license and was promoted to architect from junior project manager. Williamson will manage projects for such clients as Cablevision Systems Corp. and Polimeni International.

CAMMALLERI

FLAHERTY

DIAZ

Donnelly Mechanical Corp., New York, appointed Salvatore Cammalleri as director of estimating. He will be responsible for estimating all jobs and for coordinating information with the sales and construction departments. Cammalleri will report directly to Dan Donnelly, Donnelly Mechanical's CEO.

E.G. Bowman, New York, has hired Sean P. Flaherty as sales executive specializing in the construction industry.

ERG Property Advisors, New York, has hired Paul Herrera Diaz and Jeffrey Wolfson as associates.