NEW YORK, April 2, 2013 /PRNewswire/ -- Omnicom Group Inc. (NYSE: OMC) today announced two senior executive appointments at its Diversified Agency Services (DAS) division. Dale A. Adams, who currently serves as president and CEO of DAS, becomes chairman and CEO. John C. Doolittle, who is the division's CFO, becomes president and CFO. The appointments are effective today and were announced by John D. Wren, CEO and president of Omnicom Group. (Photo: http://photos.prnewswire.com/prnh/20130402/NY86799-a )(Photo: http://photos.prnewswire.com/prnh/20130402/NY86799-b ) "Dale and John have been working together for 14 years now and have been a driving force within DAS," said Wren. "They are highly talented executives who individually and together have clearly demonstrated the ability to manage a rich mix of agencies in a variety of disciplines." "Importantly, in an increasingly complex marketing and communications environment, Dale and John know how to attract and retain talent and help our agencies adapt, grow and deliver for the benefit of our clients. With this strong leadership team in place, I could not be more confident about the continuing success of DAS," Wren concluded. Adams, 54, joined Omnicom Group in 1991 and has served in a number of positions. In 1996, he became CFO of Diversified Agency Services and then president of the division in 2008. He was named CEO of DAS in 2011. Following a decade of financial leadership in the agency service business, Doolittle joined DAS in 1999 as CFO, the Americas and became Global CFO in 2008. He has played a central role at DAS in financial management, geographic expansion, acquisitions, organic development of new service offerings and talent strategies. DAS is widely recognized as the industry's premier network of specialty and marketing communications agencies. Said Adams, "In John's time here at DAS, and in my time working with him, John has demonstrated an extraordinary understanding of the professional services business and knows that talent and client service are at its core. Through experience, and by his very nature, John has an uncommon ability to bring our people and our agencies together to collaborate for the benefit of our clients. He is an exemplar of our culture."