MARGARET HEFFERNAN is an entrepreneur, Chief Executive and author. She was born in Texas, raised in Holland and educated at Cambridge University. She worked in BBC Radio for five years where she wrote, directed, produced and commissioned dozens of documentaries and dramas. As a television producer, she made documentary films for Timewatch, Arena, and Newsnight. She was one of the producers of Out of the Doll's House, the prize-winning documentary series about the history of women in the twentieth century. She designed and executive produced a thirteen part series on The French Revolution for the BBC and A&E. The series featured, among others, Alan Rickman, Alfred Molina, Janet Suzman, Simon Callow and Jim Broadbent and introduced both historian Simon Schama and playwright Peter Barnes to British television. She also produced music videos with Virgin Records and the London Chamber Orchestra to raise attention and funds for Unicef's Lebanese fund. Leaving the BBC, she ran the trade association IPPA, which represented the interests of independent film and television producers and was once described by the Financial Times as "the most formidable lobbying organization in England." In 1994, she returned to the United States where she worked on public affair campaigns in Massachusetts and with software companies trying to break into multimedia. She developed interactive multimedia products with Peter Lynch, Tom Peters, Standard & Poors and The Learning Company. She then joined CMGI where she ran, bought and sold leading Internet businesses, serving as Chief Executive Officer for InfoMation Corporation, ZineZone Corporation and iCAST Corporation. She was named one of the Internet's Top 100 by Silicon Alley Reporter in 1999, one of the Top 25 by Streaming Media magazine and one of the Top 100 Media Executives by The Hollywood Reporter. Her "Tear Down the Wall" campaign against AOL won the 2001 Silver SABRE award for public relations. Her third book, Wilful Blindness (Simon&Schuster in the UK, Bloomsbury in the US, Doubleday in Canada) was a finalist for the Financial Times/Goldman Sachs Best Business Book award and, in 2014, the Financial Times named it one of its "best business books of the decade.” Her next book A Bigger Prize (Simon&Schuster in the UK, Public Affairs in the US and Doubleday in Canada) won the Transmission Prize. Her most recent book Beyond Measure : The Big Impact of Small Changes was published in 2015. Her TED talks have been seen by over 5 million people. She has been invited to speak at all of the world’s leading financial services businesses, the leading FTSE and S&P corporations as well as the world’s most successful sports teams. She continues to advise private and public businesses, to mentor senior and chief executives and to write for the Financial Times and Huffington Post.