Langan names Ryan Linthicum as next chief executive officer. Oct 16, 2026 PARSIPPANY - Following a two-year succession planning process, Ryan C. Linthicum will become chief executive officer of Langan effective Friday, January 1. He will take over the post at the Parsippany-based environmental engineering firm from David T. Gockel, who will remain as executive chair. "Ryan Linthicum has the full support of our executive team to lead Langan as we continue our journey as a national powerhouse and magnet for talent," said Gockel. "I have enormous respect for Ryan as a leader and as a person. He has the judgment, integrity, energy, and commitment to our employees that will guarantee Langan's continued success." Linthicum has spent his entire 30-year career at Langan, beginning in the firm's New Jersey headquarters as a staff engineer and ascending to managing principal, serving on the firm's Executive Committee and Board of Managers. He also leads Langan's technology strategy, overseeing the firm's artificial intelligence investment and service integration, as well as its nationwide digital solutions practice. Linthicum has opened three Langan offices: Washington, District of Columbia; Arlington, Virginia; and Richmond, Virginia. He led Langan's entry into the federal market, most notably with the State Department's Bureau of Overseas Buildings Operations, with Langan having supported the development or redevelopment design process of nearly 200 United States embassies and consulates around the world. Linthicum has managed high-performing teams in virtually every market sector, including mixed-use, commercial, resort, cultural, sports, education, life sciences, and aviation. "I am honored and excited to assume the responsibility of becoming the third CEO in Langan history," said Linthicum. "I look forward to my new role and to working tirelessly with Dave, my partners, and Langan staff. Under my leadership, we will continue to deliver premier consulting services to our clients on projects that define and enhance how we live and work, and that contribute to communities around the world." Founded in 1970, Langan is headquartered at 300 Kimball Drive in Parsippany. For more information, call (973) 560-4900 or visit langan.com.

Langan Engineering & Environmental Services has acquired Dallas-Fort Worth-based Kirkman Engineering, marking its fourth acquisition in Texas. The deal expands Langan's statewide workforce to 225 employees across seven offices. Founded in 2014, Kirkman specialises in land development for commercial, warehouse and residential real estate sectors. The acquisition strengthens Langan's presence in the Dallas-Fort Worth Metroplex, bringing local expertise and client relationships to the consulting firm. Langan, founded in 1970, employs 2,300 professionals across 58 offices in the US and five international locations through its subsidiary Langan International. The firm provides environmental and engineering consulting services to clients nationally and internationally.