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.

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.

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.

John Paul Volanthen is a world record-holding British exploratory cave diver who specialises in rescues through the Cave Rescue Organisation, South and Mid Wales Cave Rescue, and the British Cave Rescue Council. John hit the headlines in July 2018, when he was part of the multi-national team involved in the rescue of 12 young football players and their coach in the Tham Luang caves in Thailand. John and his co-diver, Rich Stanton, were the first to make contact with the missing youngsters when they had been lost for nine days. Both men were part of the team that successfully rescued all the boys and their coach and brought them to safety. In keynote talks, John gives audiences an astonishing account of the harrowing rescue effort. With heart-pounding anecdotes from the high-risk rescue mission, he hammers home the importance of perseverance, determination, and preparation, and explains why he believes success in life is rarely due to “luck.” John also shares his belief that anyone can rise to the occasion and achieve extraordinary things in the face of insurmountable odds. Using a combination of pictures and audio, he communicates what it was like to be there and the joy he felt when it was all over. Uplifting and inspiring, John’s story is one in a million.

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.

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.

Described as “a trailblazer, and the most determined, tenacious, and motivated woman,” Preet Chandi holds the record of being the fastest woman to complete a solo unsupported ski expedition to the South Pole, as well as the distinction of being the first woman of colour to complete a solo expedition on the continent. Driven by an unending desire to push her mental and physical boundaries, Preet is any Army officer, physiotherapist, Nordic skier, ultramarathon runner, and endurance athlete with an iron will that has led to her making history and breaking barriers in the world of adventuring.

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.

Gavin Patterson is the president and chief revenue officer of Salesforce.com, Inc., leading the CRM company's global sales organization. He previously served as Chief Executive, BT from 2013-19. During his tenure, Patterson completed the UK rollout of the superfast fibre and started the deployment ultrafast fibre. He led the £15billion acquisition of EE, launched BT Sport, expanded BT’s cyber security practice and championed BT’s social purpose agenda. He joined BT in 2004 as MD Consumer and joined the board as CEO BT Retail in 2008. Prior to BT, he spent four years at Virgin Media and nine years at Procter & Gamble. Patterson is a Non-Executive Director at British Airways plc and a Trustee of the British Museum. He graduated from Cambridge University with an MEng in Chemical Engineering.