Chief Executive Director

John Potter

John is an accomplished Chief Executive and project manager with many years' experience working within the energy sector. John brings a wide range of skills, knowledge, and industry connections. John's proficiencies in understanding and identifying the best technologies in projects and his proven abilities in developing relationships with stakeholders, including operators, politicians, financiers, technology providers and regulators, are well proven and have brought significant value to the companies he has previously worked with. John joined TomCo as Chief Executive in February 2018.


Malcolm Groat

Malcolm is a Chartered Accountant and has a wide range of experience in corporate life, with roles as Chairman, Non- Executive Director, Chair of Audit, CEO, COO and CFO for several companies. He is an adviser on compliance and governance, strategy, and operational improvement, and managing the risks of rapid change.

Non-executive Director

Richard Horsman

Richard is an experienced public company director and is currently Non-Executive Chairman of Toople plc, a main market listed provider of bespoke telecom solutions. He is also Executive Chairman of privately held Gardien Group. He was previously senior independent non-executive director of Plethora Solutions Holdings plc and CEO of Cybit Holdings plc, both on AIM. During his tenure at Cybit the company grew, from inception, to revenues of £25 million and went through multiple acquisitions. Cybit was acquired in a deal with a US based private equity firm at over a 100% premium to the prevailing market price. Richard was also previously Chairman and CEO of Atego Group, a private company providing mission and safety critical software and consulting services to the aerospace, military and automotive sectors.

Non-executive Director

Louis Castro

Louis is highly experienced and well qualified Director and Chartered Accountant with some thirty years spent in industry and in financial services, including positions as Chief Executive, Finance Director and Non-Executive Director of several AIM listed companies. He was previously the CFO at Eland Oil & Gas plc where he had full executive responsibility for finance, legal, corporate finance and a budget of over $150m. He has held numerous board positions with both quoted public and private businesses as either a Partner or Director. Previously he worked in financial services, in corporate finance and capital markets, with particular specialism in the funding and advising of small and mid-cap companies across many sectors. Louis is a Fellow of the Institute of Chartered Accountants of England & Wales.