The phrase "adding responsibilities for" is correct and usable in written English.
You can use it when discussing the process of assigning new duties or tasks to someone or a group.
Example: "The new project will involve adding responsibilities for team members to ensure all aspects are covered."
Alternatives: "assigning duties for" or "imposing tasks for".
Paul Marobella, president at Havas Discovery, Chicago, was named to a new post, president of the Havas Chicago Group, adding responsibilities for Havas Impact and Palm & Havas while continuing to oversee Havas Discovery.
Mr. Ryan, senior vice president for menu management and new concepts, will retain that post while adding responsibilities for marketing of the nearly 13,000 McDonald's restaurants in the United States.
He was chief financial officer and executive vice president of Sears from 1995 to 1997, then president of the credit unit for two years, before adding responsibility for home services, customer responses and Internet business as president of services.
He ran ITV2 for several years before being promoted to his current role in April last year, adding responsibility for ITV3 and ITV4, along with acquisitions.
Mike Walsh has been appointed to the newly created position of network head of music across the three Xfm regional services, adding responsibility for the London station's music output to his existing remit in Manchester and Scotland.
Last year, he added responsibilities for the company's United States print businesses, which include book publishing, The New York Post and a newspaper and magazine insert business.
Mr. Ruvane was recruited as Glaxo's president in 1981, and he later served as chairman and chief executive with added responsibilities for Central and South American operations.
Grey and its parent, the Grey Group, owned by WPP, say the added responsibilities for Mr. Myhren, who is 38, will represent the first time the New York flagship is to be led by a creative executive.
And so the government is poised to go on encouraging America's fast-food diet with its farm policies even as it takes on added responsibilities for covering the medical costs of that diet.
