Simon Turek
Chief Executive Officer
Patrick Carter
Chief Financial Officer
Mark Sait
Chief Commercial Officer
Gareth Kaminski-Cook
Independent Non-Executive Chairman
Theresa Wallis
Independent Non-Executive Director & Chair of the Audit Committee
Jeremy Nesbitt
Non-Executive Director & Chair of the Remuneration Committee
Gareth Kaminski-Cook
Independent Non-Executive Chairman
Gareth Kaminski-Cook has a breadth of relevant experience in international businesses including as Chief Executive Officer of Autins Group plc, a UK and continental Europe based industrial materials technology business. Gareth joined Autins from Low & Bonar plc, the fully listed international performance materials group, where he was Group Director of Strategy, Sales and Marketing and Global Business Director, Interiors and Transportation (a global business supplying specialist materials to the Automotive and Flooring industries).
Gareth has 30 years' experience in market-leading industrial organisations across several business sectors, having worked previously for Saint Gobain, Rexam, BPB and Danaher. He has lived and worked in Asia, the US and Europe, and has a deep understanding of the manufacture and application of specialist thermal materials across relevant industrial markets such as Automotive and Building Products. Gareth is a former Officer in the Corps of Royal Engineers and a Civil Engineering graduate from Birmingham University.
Patrick Carter
Chief Financial Officer
Patrick joined Haydale in June 2023 and is a qualified Chartered Accountant and Barrister. Having started his career at Deloitte, he was appointed Group Finance Director of AIM listed Aukett Fitzroy Robinson Group Plc (now Aukett Swanke Plc) in 2002, one of the UK's leading international commercial architectural practices. Between 2007 and 2012, he was CFO of Charteris Plc, an AIM listed consultancy and IT systems integrator (now part of Sword Group). Between 2012 and 2022, he was CFO of several related private equity backed, UK and Asia based renewable energy companies.
Simon Turek
Chief Executive Officer
Simon was appointed Chief Executive Officer on 1 January 2025, having joined the Board following the Company’s fundraise in November 2024. Shortly after joining the Board he led a comprehensive strategic review of the Group, the conclusions of which were announced in December 2024 and which set out a fundamental reset of Haydale’s operating model and strategic direction.
Since becoming CEO, Simon has led Haydale’s transformation into a focused, product-led advanced materials and energy efficiency business. He has overseen the restructuring of legacy operations, the consolidation of the Group’s activities in the UK, and the commercialisation of Haydale’s proprietary graphene-enabled heating technologies, including the development and certification of the JustHeat system.
Simon also engineered the strategic acquisition of SaveMoneyCutCarbon, providing the Group with a scalable lead generation and delivery engine for energy efficiency and decarbonisation solutions.
Simon has more than 15 years’ experience operating at the intersection of environmental markets, financial markets and regulation. He was previously Chair, and formerly Managing Director, of an international carbon market project developer. Earlier in his career he served as an Executive Director at CME Group.
Simon originally trained as a lawyer in New Zealand and has served as a Chair and Non-Executive Director across a number of organisations in financial services and the housing sector, as well as a trustee of several charitable organisations.
Theresa Wallis
Independent Non-Executive Director & Chair of the Audit Committee
Theresa Wallis worked most of her executive career in financial services, moving into technology commercialisation in 2001. She was with the London Stock Exchange for 13 years, where from 1995 to 2001 she was chief operating officer of AIM, the market for smaller growing companies, having managed the market's development and launch. From 2001 to end 2006 she was a principal executive of ANGLE plc, a venture management and consulting business focusing on the commercialisation of technology.
Since 2001 she has held a number of non-executive directorships, including LiDCO Group plc where she was non-executive chairman, Veriton Pharma Ltd and the Quoted Companies Alliance. Prior to joining the London Stock Exchange she worked for Hambros Bank and then Canadian Imperial Bank of Commerce in London. Theresa has a degree in Zoology from the University of Oxford and a Diploma in Company Direction from the Institute of Directors. Theresa brings a range of corporate governance, business development, financial and commercial skills and experience.
Jeremy Nesbitt
Non-Executive Director & Chair of the Remuneration Committee
Jeremy brings over 40 years' experience in the energy sector, including senior leadership roles at National Grid and as Managing Director of Affordable Warmth Solutions, where he secured and oversaw the deployment of over £160 million to support energy efficiency in low-income homes.
Mark Sait
Chief Commercial Officer
Mark combines hands-on experience with leadership that drives businesses from start-up to scale. As Founder and CEO of SaveMoneyCutCarbon, Mark has built a B2B platform helping organisations save money through sustainability. A member of the Unreasonable Impact global sustainability CEO network, Mark is a recognised voice on Net Zero and the energy transition, regularly featured by the BBC, The Times, Forbes, and other major media. Mark was previously the founder and director of iBAHN EMEA.
