Mohamed El-Erian

President at Queens'​ College, Cambridge; Former CEO and Co-Chief Investment Officer, Pacific Investment Management Co. (PIMCO); Author of the best-selling book "When Markets Collide"

Ricky Gervais

Award-Winning English Comedian & Actor; Known for "The Office" and "Extras"

Idris Elba

English Actor, Producer, Rapper and DJ; Best Known for His Roles in "The Wire" & "Luther"

Sarah Ferguson

The Duchess of York, Philanthropist, Author and Advocate

Evanna Lynch

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

Elton John

British Singer-Songwriter Known for "Rocket Man," "Tiny Dancer" & "Your Song;" Subject of 2019 Biopic "Rocketman"

John Amaechi

Organizational Psychologist, Leadership Transformation Expert & Former NBA Player

Robin Sieger

Success, Change, Inspiration, Motivation, Peak Performance, Customer Excellence, Leadership

Alfie Allen

Actor, Best-Known for "Game of Thrones"

Ellie Goulding

British Musical Artist Known for Her Albums "Lights" and "Halycon" and Hit Singles "Burn" and "Anything Could Happen"

Lynda Gratton

Human Resources Thought Leader, Author of "The Shift: The Future of Work is Already Here" & "The 100-Year Life: Living and Working in an Age of Longevity"

Tilda Swinton

Actress Known for "The Chronicles of Narnia," "We Need to Talk About Kevin" & "The Grand Budapest Hotel"

Tilda Swinton, Idris Elba talk 'Three Thousand Years of Longing'

Imogen Heap

Musician, Producer & Founder of Mycelia For Music

Stephen Frost

Leadership, Communications & Global Inclusion Expert

Jay Sean

Singer, Songwriter, Rapper, Beatboxer & Record Producer

Gillian Anderson

Award-Winning Actress Known for "The X-Files" & "The Crown"

Jeremy Gilley

Actor, Filmmaker & Founder of the Peace One Day Non-Profit

Andy Serkis

Actor, Director & Author; Best Known as Gollum in the Lord of the Rings Trilogy

Warren Cass

Social Media Strategist & International Speaker

Emilia Clarke

English Actress Known for Playing Daenerys on "Game of Thrones"