Jacksonville, Fla.-based architect-engineer RS&H announced the promotion of David Sweeney to chief operations officer as of Jan. 1. Sweeney succeeds COO David Roberson, who is retiring at the end of the year.
Lisa Robert, who was promoted to the position of senior vice president, will assume Sweeney's former position. Robert, who joined RS&H in 2010, currently serves as vice president of transportation, a position she has held since 2011.
Sims Crane & Equipment Co., Tampa, has named Mark Hollister senior vice president of business development. He formerly served as a senior vice president with Norco, a manufacturer of attachments.
Karen Somerder has been named senior supervising engineer for Parsons Brinckerhoff, Tampa, where she will focus on port and marine projects. Somerder, who has more than 20 years of industry experience, previously worked as a project manager for CH2M Hill.
In PB's Atlanta office, Mike Holt has been named senior engineering manager. He will be responsible for developing the firm's intelligent transportation systems and traffic engineering practice in Georgia and will assist with other ITS pursuits across the Southeast.
David Cyr, president of Parrish Construction Group, has been elected president of the Associated General Contractors of Georgia. Other new officers include: Randall Redding of R.K. Redding Construction, vice president; Trey Anderson, Anderson Construction Co., secretary; and Randy Hall, Batson-Cook Co., treasurer.
Also, Roger Khouri has joined HNTB's Miami office as the regional leader for the structures practice. Khouri has 27 years of bridge design experience and most recently served as lead engineer for the design of the above-ground structures on the Port of Miami Tunnel project for the Florida Dept. of Transportation.
The Atlanta office of Gilbane Building Co. has hired Bobby Osburn as senior project executive for health care projects. Osburn has more than 25 years of industry experience.
Brian Denisar has joined the South Florida office of HITT Contracting in Davie, Fla., as senior vice president. Denisar will focus on the corporate interiors market.
Joe Ramsey has joined Choate Construction Co.'s Charleston, S.C., office as director of operations. He has 35 years of industry experience.
Jonathan Wolk has been hired as director of business development and marketing in Choate's Raleigh office. Wolk previously worked in business development at Weaver Cooke Construction.
Tom Montgomery has joined professional services firm NV 5 Holdings, Hollywood, Fla., as principal engineer following its acquisition of the Tampa division of transportation and environmental engineer Pitman-Hartenstein & Associates.