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Management Team

Marilyn Mersereau

Senior Vice President, Marketing & Chief Marketing Officer


Ms. Mersereau has more than 25 years of experience leading global marketing teams. Prior to her previous role as Chief Marketing Officer and SVP of C3 Energy Management, she was Senior Vice President of Corporate Marketing at Cisco where she was a driving force in the global brand transformation that repositioned the company with the “Welcome to the Human Network” campaign. She and her team also successfully launched the unified communications product set featuring Telepresence, Webex, and Cisco’s telephony line-up. She has held various senior marketing roles at IBM, including Vice President of Integrated Marketing Communications, Vice President of Worldwide Advertising, and Vice President of Marketing, Canada. During her tenure at IBM, she won three Gold Effie Awards in the Advertising and Campaign Effectiveness categories. She was also recognized by the Americas Marketing Organization for improving IBM’s lead management process as well as for the overall integration and effectiveness of IBM’s marketing campaigns. Previous experience includes leadership roles in international marketing for top companies in the food and beverage industry, including Coca-Cola, Wendy’s, and Burger King International.