Marga Hoek is a member of Thinkers50, she is that rare combination: a true visionary on sustainable business and capital and a successful, innovative business leader who understands and applies the commercial realities of business. Operating at the highest level with ministers and presidents, Marga is a global voice for G20, G7 Climate Change and Cop 23 and a regular contributor for prestigious, global media like Forbes Magazine, Fortune and The Huffington Post. Her latest book The Trillion Dollar Shift, on the business opportunities of the Sustainable Development Goals, received an international, gold medal.

Polar explorer, TED speaker, and record-breaking long-distance skier Ben Saunders fuses the spirit of adventure with impressive technical ingenuity. He has five North Pole expeditions under his belt and is best known for leading one of the most ambitious expeditions in a century. Humble and self-effacing, he is an explorer of limits and his message is one of inspiration, empowerment, and boundless potential. He explores the dichotomy between ideas and action and urges audiences to consider carefully how to spend the “tiny amount of time we each have on this planet.”

Erik Weihenmayer is a world-class adventurer, the first blind man to summit Mount Everest, and one of only 150 mountaineers to climb the Seven Summits. His latest and most demanding adventure is kayaking the 277 miles of the Grand Canyon. One of the most exciting and well-known athletes in the world, he never let his lack of vision interfere with his quality of life. Weihenmayer’s feats have earned him incredible press coverage and dozens of awards. He is also the author of two books and addresses leadership, teamwork, overcoming adversity, motivation, and inspiration.

Trevor Williams served as Chief Economist at Lloyds Bank for over a decade. Now an author, academic and consultant, he analyses the key trends and policies that shape the economy and markets. From energy and climate to how companies use their data to understand the wider economy, he brings clarity and relevance to an often complex and abstract field.

Steve Baskis is an inspirational blind veteran and adventurer. Just eight months into his deployment to Iraq, his squad was attacked. A roadside bomb severely wounded Baskis, but, despite his injuries, he amazed his doctors with his recovery and attitude. An “adrenaline junkie,” he was eager to test his potential and push the boundaries of what disabled people are perceived capable of doing. He has since competed in athletic competitions and summited mountains. Baskis addresses motivation, inspiration, overcoming adversity, humanitarian efforts, and pushing the limits of human potential.

An adventurer, record-setter, and boundary-breaker, Darcy Gaechter is best known as the first woman - and member of the first team - to kayak the Amazon River from source to sea. The journey required her crew to paddle over 4,000 miles across the widest part of South America, a voyage that took 148 days to complete. She is also the author of The Kayaker’s Guide to Ecuador and Amazon Woman, an adventure memoir detailing her Amazon River expedition and the life challenges she faced to get there – the rights of which have been purchased to turn her story into a movie. Gaechter inspires audiences with her personal journey of overcoming obstacles and making the impossible possible – sharing useful tactics to take on even the most daunting of challenges and demonstrating how a strong belief in yourself and in your goal are key ingredients to any success.

A 21-year veteran of the United States Air Force, Colonel Nicole Malachowski (USAF, Ret.) wanted to fly military jets from the moment she saw them at her first air show when she was five years old. She achieved that goal – and then some. A leader, a combat veteran, the first woman pilot on the Thunderbirds Air Demonstration Squadron, an instructor, a White House Fellow, and an inductee into the Women in Aviation International Pioneer Hall of Fame, Nicole’s Air Force career exceeded her wildest dreams.

With more than a decade working at the heart of the technology industry, Dex Hunter-Torricke has managed communications for some of the most-influential and admired Silicon Valley leaders and corporations of our day. In his daily work, Dex plays a critical role in writing the next chapter on science, tech, the economy, and society across the globe, and spearheads efforts to bring the stories of how the world is being moved forward to light. From 2012-2016, he led the executive communications team at Facebook and served as personal speechwriter for Mark Zuckerberg. He then went on to join SpaceX as senior director of communications. He later served as the VP Global Communications & Public Engagement for the Oversight Board for Meta, the independent body that makes decisions on Facebook and Instagram’s most challenging content issues. Dex takes audiences into Facebook’s boardroom, Musk’s open-concept cubicle, the famed Googleplex, and finally to the UN itself to share lessons on what it takes in today’s environment to build highly effective internal teams, how to use storytelling in modern communications, and what to make of the steady transition from local to global that’s unfolded over the past decade.

Alex Macqueen is an actor, best known for his roles as Julius Nicholson in the BBC’s Thick Of It and Neil’s Dad in the Channel 4 comedy The Inbetweeners. He was a member of the National Youth Theatre and President of the Cambridge University Theatre Company, before qualifying as a Barrister at the Middle Temple. In 2017, he was elected by the Inn as a Master of The Bench.

Roger Harrabin is one of the media’s most influential voices on the environment, energy and climate change. He is Energy and Environment Analyst for the BBC, where he has broadcast for more than 30 years. Roger has been a global pioneer in environment reporting. He was founder presenter of the BBC environment programme Costing the Earth and has won many awards for his work in radio and TV. His quest for impartiality led him to broadcast two three-part series on Radio 4 tackling the risks and uncertainties in climate science and technology. His reporting on new topics has often been trend-setting – he was, for instance, the first mainstream reporter to highlight the central role that energy would play in the environment. He has interviewed many influential figures including Margaret Thatcher, Tony Blair, Ban Ki Moon, Al Gore and Sir David Attenborough.

Amy Purdy had a typical childhood until losing her legs at 19 as a result of Meningitis, which has led to an adulthood of extraordinary accomplishments. Amy is the top ranked adaptive snowboarder in the US, a three-time World Cup Para-Snowboard winner, the 2014 Paralympic Bronze Medalist, and the 2018 Paralympic Silver Medalist. She is the co-founder of Adaptive Action Sports (AAS), a non-profit organization which helps disabled youth, young adults, and wounded veterans get involved with action sports, and the author of the New York Times best-selling book, On My Own Two Feet. Amy has evolved into a powerful inspirational and motivational speaker who has been seen by millions of people and invited to share her story to audiences around the world.

Daniel Hughes has spent the last 15 years leading and making decisions in high pressure and often environmentally hostile environments. He describes himself as a “determined problem solver, who builds teams to succeed”. He previously has been a Special Forces Instructor, Great Britain Athlete and in 2013 built a team of 268 for him to deliver the world’s highest video broadcast from the summit of Mt Everest to the BBC Newschannel. Hughes is a current 787 pilot and as the founder of Reignite Consulting, he globally delivers Management Development programmes to executive teams and helps organisations establish or reaffirm their vision and values.