Boston commercial real estate development and management giant Jones Lang LaSalle has named Alex Dauria as its new managing director, part of a series of director appointments and promotions at the company.

Ben Breslau and John Schena have been appointed national directors from the Boston region. Chris Beeson, Stephen Flint, David Girard, Dana Griffin and Mark Jolly were named associate directors.

Dauria, a 26-year industry veteran, is an executive vice president on the firm’s leasing team. His investor clients have included: Equity Office, Boston Properties, Normandy Real Estate Partners, Archon/Goldman Sachs, ING Clarion, Cornerstone Realty and Cabot, Cabot & Forbes. Tenants Dauria has represented include: Iron Mountain, The Bank of New York Mellon Corp., IBM, MetLife, Aegon Group, Fidelity Investments and WilmerHale.

Senior Vice President Ben Breslau directs the overall activities of the firm’s research team in the Americas.

John Schena is a senior vice president on the project and development services team. He is currently in the role of account team leader for clients Fidelity Investments and the Reebok Adidas Group in the U.S.

Vice President Chris Beeson serves as facility manager and is responsible for 500,000 square feet for ING in Windsor, Conn., and oversight of an additional 1.5 million square feet for other owners throughout the region.

The company also promoted the following: Bruce Clifford and Amy Forman to senior vice president; Jeff Burke, Bill DiPippo and Chris Hardiman to vice president; Nat Heald to assistant vice president; Kevin Byrne, Scott Dean, Danielle McLaughlin and Patrick Triggs, to senior project manager; Jennifer Mauren to property manager; Rebekah Dix to operations manager; Jenna Scaccia to human resources business partner; Abby Kruchten to senior analyst; Charlotte Railton to senior marketing associate; Lorena Hawkins to senior proposal manager; and Kelly Lockberg to operations associate.