MIAMI—Sir Martin Sorrell, chief executive of WPP and one of the world's leading thinkers on the future of marketing, will be among the featured speakers at the second Global Public Relations Summit, which will take place once again at the St Regis Bal Harbor in Miami from November 11-14.

As head of WPP, the world's largest advertising and marketing services group, Sir Martin has oversight responsibility for several of the world's leading public relations brands, including Burson-Marsteller, Hill+Knowlton Strategies, Ogilvy Public Relations Worldwide and Cohn & Wolfe. The latter firm is sponsoring the session with Sir Martin, who will provide his insight in conversation with Cohn & Wolfe chief executive Donna Imperato.

In addition to its PR holding, WPP includes ad agencies such as JWT, Ogilvy & Mather, and Young & Rubicam, and a range of branding, digital, and research companies, giving Sir Martin a unique perspective on changes in the marketing and communications landscape.

Sir Martin Sorrell founded WPP in 1985 and has been chief executive since that time. Collectively, the company now employs more than 165,000 people (including associates) in over 3,000 offices across 110 countries. Clients include 350 of the Fortune Global 500, all 30 of the Dow Jones 30, 63 of the NASDAQ 100 and 31 of the Fortune e-50.  In 2012, WPP had revenues of $16.5 billion and billings of $70.5 billion.

Sir Martin actively supports the advancement of international business schools, advising Harvard, IESE, the Indian School of Business and the China Europe International Business School. He has been publicly recognised with a number of awards including the Harvard Business School Alumni Achievement Award.  He received a knighthood in January 2000.

Sir Martin contributes to many important organisations and charities.  In 2006, he was appointed a non-executive director of Alpha Topco, the Formula 1 company. In 2008, he was appointed by The English Football Association to the board of the bid to stage the 2018 FIFA World Cup.  He is on the executive committee of the World Economic Forum International Business Council and a member of the Business Council in the US.  He is a trustee of the British Museum, a member of the corporate advisory group of the Tate Gallery, and on the international advisory board of The Russian Museum in St. Petersburg.