Greg Williams is a leading authority on technology trends and how those impact business and society. As Editor at WIRED UK, Greg meets the innovators, thinkers, scientists, entrepreneurs and creatives who are changing the world and writes on a variety of subjects, including innovation, technology, business, creativity and ideas. As a journalist and author of five novels, Greg possesses a unique combination of storytelling expertise and an in-depth knowledge of the future of technology and entrepreneurship. This enables him to transform complex information into entertaining and accessible insights that prepare audiences for what’s coming next.

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.

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.

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.

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.

Fatima Bhutto, born and raised in Pakistan, is an acclaimed poet, writer, columnist, and journalist. With a steep family history in politics, she is also a renowned activist and has undertaken work for women’s rights and humanitarian issues, as well as broader world politics.

Star of the hit TV show The Missing, James Nesbitt is one of the most recognizable, talented and accomplished actors on our screens. His first major TV roles included Ballykissangel and Playing The Field but it was the BAFTA award winning Cold Feet that brought him to the attention of a wider audience. He has starred in multiple critically acclaimed film roles, including Bloody Sunday, Danny Boyle’s movie Millions, BAFTA award-winning Occupation for BBC One.

2041 was founded by polar explorer, environmental leader and public speaker Robert Swan, OBE, the first person in history to walk to both the North and South poles. Swan has dedicated his life to the preservation of Antarctica by the promotion of recycling, renewable energy and sustainability to combat the effects of climate change.

Lord Digby Jones is the former director general of the UK’s Confederation of British Industry, the former minister of State for Trade and Investment, and the author of Fixing Britain. With a straight-talk approach, he is one of the world’s most acclaimed business commentators and known as “the face of British business.” Jones addresses the reforms needed to spur growth in the UK and highlights how businesses can stay in the globalised economic race. As one of the world's most acclaimed business commentators, Digby entertains and inspires audiences around the globe, with his memorable, bespoke presentations at conferences, seminars, and dinners.

Frank hosts Absolute Radio’s Sony Award winning Saturday morning flagship show, whose podcasts have been downloaded 6.5 million times. Frank’s television work includes The Frank Skinner Show (BBC One, ITV 1), which is widely credited as setting the tone for the modern comedic chat show and ran for nine years, attracting 11 million viewers at its peak. He has written two books, the first of which was Frank Skinner by Frank Skinner, the top selling autobiography of 2002, spending 46 weeks in The Sunday Times Bestseller List.

Born in 1951, Sir Bob Geldof is one of Ireland’s most successful exports and is known throughout the world for his many talents and passions. Starting his career as a successful musician, actor and songwriter, he has gone on to both inspire a generation and make prolific social changes as a philanthropist and political activist. An inspiring and influential public speaker, he speaks on a range of topics and uses his vast personal experiences to both provoke and motivate his audience.

Adrian Chiles is one of television’s most versatile and sought after presenters. Between 2010 and 2015 Adrian fronted ITV's football coverage, including the Champions League, Euros, two World Cups and England internationals. Hailed as a brilliant broadcaster with wit and affable gruffness, Adrian is great speaker for any sport-themed event.