Our Leadership Omnicom is led by a stable management team with world-class experience and skills in marketing, finance and corporate management. The company’s creative culture, profitability and financial discipline have been maintained throughout an era of extraordinary change in marketing and communications. Our leaders collaborate to drive Omnicom's business forward through a relentless drive for talent development, client service, innovation and operational excellence. John D. Wren Chairman and Chief Executive Officer Philip J. Angelastro Executive Vice President and Chief Financial Officer Andrew Castellaneta Senior Vice President, Chief Accounting Officer Asit Mehra Executive Vice President Jonathan Nelson CEO, Omnicom Digital Michael J. O'Brien Senior Vice President, General Counsel and Secretary Janet Riccio Executive Vice President, Dean of Omnicom University Rita E. Rodriguez Executive Vice President Peter Sherman Executive Vice President Peter Swiecicki Senior Vice President, Finance and Controller Tiffany R. Warren Senior Vice President and Chief Diversity Officer over 5,000 clients in more than 100 countries Omnicom is a global leader in marketing communications Sitemap Careers Contact Us Privacy Notice Terms of Use © 2019 Omnicom Group Inc. All rights reserved.

Newsroom October 16, 2018 Omnicom Group Reports Third Quarter and Year-to-Date 2018 Results read more October 2, 2018 Omnicom Agencies Continue their Winning Streak at the Spikes Asia Festival of Creativity September 28, 2018 Omnicom at Advertising Week New York 2018 PRESS KIT Corporate Fact Sheet 2016 CSR Report 2017 Advertising Week Calendar PRESS CONTACTS Joanne Trout joanne.trout@omnicomgroup.com (212) 415-3669 over 5,000 clients in more than 100 countries Omnicom is a global leader in marketing communications Sitemap Careers Contact Us Privacy Notice Terms of Use © 2018 Omnicom Group Inc. All rights reserved.