Joanna Seddon

Joanna Seddon serves as the Chief Executive Officer of the Marketing Accountability Standards Board (MASB) since September 2022, while also holding the position of Managing Partner at Presciant and Chair of the Marketing Hall of Fame. With a focus on elevating the role of CMOs and making marketing accountable, Seddon is dedicated to demonstrating the value of brand and marketing as drivers of growth. Previously, Seddon established and led the Global Brand Consulting practice at Ogilvy & Mather, and founded Millward Brown/Kantar's strategy consulting unit, successfully expanding it globally. Seddon's experience extends back to early roles at FutureBrand, Diefenbach Elkins, McKesson, and The Addison Group, underscoring a strong foundation in brand strategy and consulting. Educational credentials include degrees from the University of Oxford and fellowships at the Woodrow Wilson International Center and Lomonosov Moscow State University.