Mark helps big companies think like small ones and small companies think like big ones. He has worked in sustainability for 33 years and works on the creativity and innovation of products, services and business models; and he is a coach and facilitator for businesses and individuals.

His clients include Patagonia, Nike, Samsung, EE, Audi, Bombay Sapphire, Seedlip, Universal Works, Unilever, Mars and many more.

Mark is the author of three books: “Do Disrupt, change the status quo or become it” then “Do Present, how to give a talk and be heard”. Latterly, his third book “You Can’t Make Money from a Dead Plant: The sustainable method for driving profits” was published by Kogan Page in 2023. Over the last 20 years he has been a keynote speaker for events all over the world.

Dr Hussain Al-Zubaidi is a lifestyle TV doctor and athlete coach. He is a team GB age group long distance triathlete. Movement, community, and nutrition are three cornerstones of his personal and professional life. He has a varied portfolio career across several sectors. These include being parkrun’s health partnerships lead, Royal College of GPs lifestyle and physical activity lead, Leamington NHS personalised care lead, as well as a SWIM England clinical advisor and a board member for Sport in Mind.

He runs a pioneering NHS based lifestyle clinic and fitness club helping to educate and support patients to eat better, move more and connect with their community. He has a strong focus on health span and social prescribing. He is a well-respected educator delivering numerous talks and lectures to audiences both professional and public including regular TV and radio appearances including over 80 appearances on Channel 4, BBC & ITV.

Born and raised in South Yorkshire, Oliver took office as Mayor in May 2022 on a platform of restoring the pride, purpose and prosperity of South Yorkshire. He was re-elected in May 2024 when the Office of the Police and Crime Commissioner was brought under the remit of the South Yorkshire Mayor.

Since graduating from Leeds University, Oliver has worked for a range of organisations including Barnsley Council where he worked on low carbon regeneration projects, in Parliament and the US Congress, South Yorkshire’s Local Enterprise Partnership and the charity BookTrust. He was Chair of the Board at Sheffield Hallam Students’ Union and has worked on a number of high-profile political campaigns, both within the region and abroad.

As Mayor, Oliver is working on delivering his manifesto pledge to fight for a better deal for South Yorkshire. In line with another of his pledges, to improve transport in the region, Oliver has already brought the tram network back under public control.