Evanna Lynch

Actress Known for her Role as Luna Lovegood in the "Harry Potter" Series

Tim Waterstone

One of the most astute and determined businessmen of recent years, Tim Waterstone is the founder of Waterstone's bookstores, and the Daisy & Tom children's department stores, and former Chairman of HMV Media Group plc.

Alfie Allen

Actor, Best-Known for "Game of Thrones"

Ellen MacArthur

Former Long-Distance Yachtswoman & Founder of the Ellen MacArthur Foundation

Sir Ian McKellen

Actor & Activist

Jay Sean

Singer, Songwriter, Rapper, Beatboxer & Record Producer

Alastair Campbell

Consultant; Strategist; Communicator; Campaigner; Best-Selling Author; Former Director of Strategy & Communications to Tony Blair

Lady Michelle Mone

Entrepreneur, Mentor, Global Motivational Speaker & Member of the House of Lords

Sienna Guillory

Actress Known for "Resident Evil," "Eragon" & "Meg 2: The Trench"

Sienna Guillory | A Banquet, pressure on women & motherhood

Lily Allen

Recording Artist & TV Presenter; Known for the Hit "Smile"

Christopher Pissarides

British-Cypriot Economist; Professor of Economics & Political Science at the London School of Economics; Nobel Prize Recipient in Economic Sciences

Natalia Tena

British Actress Known for "Harry Potter" and "Game of Thrones"

Naomi Alderman

Naomi Alderman is a British author and novelist.

Terry Leahy

Former CEO of Tesco; Renowned Expert on Business Turnarounds, Management & Organizational Excellence

Fatboy Slim

British DJ, Musician, Rapper and Record Producer

The Vamps

British Pop Rock Band Compared to the Likes of One Direction

Jessie J

Grammy Award-Nominated Singer & Songwriter

Stephen Attenborough

Director of Virgin Galactic

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

Mark Mobius

Founding Partner Partner at Mobius Capital Partners; Known as "The Godfather of Emerging Markets"