Sharon Callahan Joins Diversified Agency Services Unit of Omnicom Group

NEW YORK, Sept. 2 /PRNewswire/ -- The Diversified Agency Services (DAS)
unit of Omnicom Group has named Sharon Callahan to the position of Executive
Vice President and Director of DAS Healthcare.
In this position Sharon will direct the client-centric and brand-centric
teams within the holding company's healthcare practice, a worldwide
multidisciplinary resource of specialist agencies that support the strategic
communications needs of the world's leading pharmaceutical, biotechnology and
medical device brands. DAS Healthcare President Rob Dhoble said, "Sharon's
experience in developing and engaging innovative approaches for teamwork
between agencies in the healthcare industry is well recognized. Her
substantial skill in digital communications brings a high platform for
innovation and relevance to our strategically-aligned integrated client
offerings."
Sharon Callahan was most recently Chief Digital Strategist of Grey
Healthcare Group and President of Summit Grey, a business she co-founded in
2001. Sharon's healthcare industry experience spans more than 20 years and
includes leadership positions in the fields of medical education, publishing,
clinical programs and advertising. As a true pioneer, Sharon was among the
first to help pharmaceutical companies deliver educational programming to
physicians via the internet.
"I am honored to have been given the opportunity to bring my experience,
background and passion to DAS Healthcare," said Sharon Callahan. "Both present
the opportunity to work with DAS Healthcare's extremely talented, diverse and
collaborative group of companies and the chance to find and develop new
opportunities to take DAS Healthcare to an even higher level."
DAS, a division of Omnicom Group Inc. (NYSE: OMC) (www.omnicomgroup.com),
is a network of more than 175 companies in over 71 countries that provide a
diverse range of services in marketing communications and specialty
advertising, including direct and relationship marketing, public relations,
sales promotion, health care communications, design, branding and identity
consulting and event marketing.
Omnicom Group Inc. (NYSE: OMC) (www.omnicomgroup.com). Omnicom is a
leading global advertising, marketing and corporate communications company.
Omnicom's branded networks and numerous specialty firms provide advertising,
strategic media planning and buying, digital and interactive marketing, direct
and promotional marketing, public relations and other specialty communications
services to over 5,000 clients in more than 100 countries.
SOURCE DAS, a division of Omnicom Group Inc.

Pat Sloan, +1-212-415-2109, for DAS, a division of Omnicom Group Inc.