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 of Omnicom Daryl Simm President and Chief Operating Officer Philip J. Angelastro Executive Vice President and Chief Financial Officer Andrew Castellaneta Senior Vice President, Chief Accounting Officer Asit Mehra Executive Vice President Emily K. Graham Chief Equity & Impact Officer Joanne Trout Chief Communications Officer, Worldwide Communications Jonathan Nelson CEO, Omnicom Digital Michael J. O’Brien Executive Vice President, General Counsel and Secretary Peter Sherman Executive Vice President Peter Swiecicki Senior Vice President, Finance and Controller Rita E. Rodriguez Executive Vice President Rochelle Tarlowe Senior Vice President and Treasurer over 5,000 clients in more than 70 countries Omnicom is a global leader in marketing communications Facebook Twitter Instagram Linkedin Sitemap Careers Contact Us Privacy Notice Terms of Use © 2021 Omnicom Group Inc. All rights reserved. Cookie Information and Consent Request This website uses cookies, including third party cookies that allow us to obtain information about the webpages you have visited. Please click on the “Learn More” link below if you would like more information about the cookies used on this website and how to select certain cookies. You will also be able to refuse the installation of all or some cookies. By continuing to use this website (e.g., by clicking on a picture or link under this banner), you consent to the use of cookies. Accept All Cookies Learn More