Wayne Stocks, managing principal at Thornton Tomasetti’s Washington, D.C.-based office, will become the firm’s president as of Jan. 1. He will lead the company’s business units, along with San Francisco-based managing director Gary Panariello as part of the New York City-based design firm’s larger management succession. Stocks, who has experience in structural design, construction and project management for new buildings and historic structures, has collaborated with private-sector and government clients on a diverse portfolio of education, hospitality, health care, entertainment, office and mixed-use projects. Stocks, who is on the Thornton Tomasetti Foundation’s board of governors—served in the Peace Corps designing farm structures in Nepal before joining Thornton Tomasetti in 1992.

Multidisciplinary design firm HGA hired Joseph Daly as electrical department leader and associate vice president in the firm’s Washington, D.C., office. Daly directs business strategies for the electrical engineering group in coordination with the firm’s integrated mechanical, structural and architecture teams, which serve health care, government, corporate and higher education clients throughout the MidAtlantic region. Daly’s experience includes project management in lighting and lighting controls, power distribution, UPS systems, generators and fire alarm systems. His interests include mission-critical design, power distribution, sustainability and value engineering. Before joining HGA, Daly was director of electrical engineering and associate partner with BKV Group in Washington, D.C., where he provided local engineering experience for the national architecture/engineering firm.

Design firm Beyer Blinder Belle promoted Jennie Gwin and Rence Gill to principals in its Washington, D.C., office. Gwin’s experience is in historic preservation and adaptive reuse, with particular background in federal government and historic rehabilitation tax-credit projects. Her clients include the National Park Service, Architect of the Capitol, U.S. State Dept., Peebles Corp. and First Potomac. Gill has experience working on commercial, institutional, government, multifamily residential and religious projects. Key clients include the JBG Cos., D.C. Courts and the State Dept.’s Bureau of Overseas Buildings Operations.

Lancaster, Pa.-based design firm RETTEW promoted Suhail Khan to a new position at the firm: chief strategy and innovation officer. Khan’s elevation follows the promotion of Clayton Bubeck from senior vice president and chief marketing officer to president. In his new role. Khan—who had been the firm’s vice president of technology and facilities—will help optimize and align annual objectives and key results, corporate initiatives, planning and support services, alliances and acquisitions and client offerings.

Donna Castelli and Paul MacDonald are co-managing the Bala | Meta new Arlington, Va., office after Bala Consulting Engineers merged with Arlington, Va.-based Meta Engineers PC. The merger enables Meta to offer additional services  such as structural engineering, energy modeling and commissioning. Castelli, a senior vice president, joined Meta Engineers in 1985. She has managed numerous large projects in health care, research and development, education and commercial office markets. MacDonald, also a senior vice president, joined Meta in 1980. He has managed numerous large projects in the commercial office, mixed-use/live-work communities, data center, liturgical and senior living markets throughout the region.