Calvin Harris

Scottish DJ, Singer-Songwriter & Record Producer Known for the Hit "Feel So Close"

Ife Thomas

Author of "PowerLift Your Career: Everything You Need to Succeed" Mindset & Confidence TEDx Speaker

Ife Thomas Planted Not Buried: International Women’s Day

Florence Eid-Oakden

CEO & Chief Economist of Arabia Monitor

Lisa Harouni

3D Printing Entrepreneur

Nicola Sturgeon

First Minister of Scotland

Jimmy Vee

Actor, Puppeteer & Stunt Performer; Known for portraying R2-D2 in "Star Wars: The Last Jedi"

Margaret Heffernan

CEO, Entrepreneur, Columnist & Author of "A Bigger Prize: How We Can Do Better than the Competition"

Tendayi Viki

Associate Partner at Strategyzer & Author of "Pirates in the Navy"

Malcolm Gallagher

International motivational speaker on Leadership and achieving sales potential

Lakshmi Mittal

Chairman & CEO of ArcelorMittal

Jeremy Irons

Award-Winning Actor, Known for "Lolita" & "The Lion King"

Dr. Scilla Elworthy

Founder of the Oxford Research Group, Three-Time Nobel Peace Prize Nominee & Author

Scilla Elworthy on Humanity

Prof. Pierre-Yves Gerbeau

Former CEO of X-Leisure

Geoff Nicholson

Stress & Self Empowerment Expert, Therapist, Trainer, Coach

Jim Mellon

Chairman of Burnbrae

Martin Freeman

English Actor Best Known for the UK's "The Office," "Sherlock" and "The Hobbit" Film Trilogy

Costas Markides

Business & Strategy Expert

Louise Gray

Freelance Environmentalist Journalist

Felix Kjellberg (PewDiePie)

Swedish-Born Producer of "Let's Play" Videos on YouTube, Most Subscribed Channel on YouTube

David Hayman

Actor & Director