The Board meets regularly to consider strategy, performance and the framework of internal controls. To enable the Board to discharge its duties, all directors receive appropriate and timely information. Briefing papers are distributed to all directors in advance of Board meetings. All directors will have access to the advice and services of the Chief Financial Officer, who is responsible for ensuring that the Board procedures are followed and comply with applicable rules and regulations. In addition, procedures is in place to enable the directors to obtain independent professional advice in the furtherance of their duties, if necessary, at the Company’s expense.
big technologies plc
Board of Directors
The Board of Directors of Big Technologies plc is composed of seasoned professionals with extensive experience across sectors such as life sciences, finance, legal advisory, and electronic monitoring technology. Collectively, they bring a strong track record in executive leadership, international business development, and strategic governance across both public and private organisations.
Board Committees
Board of Directors
Mike Johns
Chief Financial Officer
Mike is a qualified chartered accountant and trained with accountancy firm RSM.
Mike has experience in a number of listed businesses, with his most recent being Aptitude Software Group plc, where he spent 7 years in total and was appointed as CFO and director in 2023 before leaving in 2025 to join Big Technologies plc.
Ian Johnson
Chief Executive Officer
Ian has spent his business career in life science and was founder and CEO of Biotrace International PLC, which was a listed company until its sale to 3M in December 2006.
In addition to his current role as Executive Chairman of NIOX Group plc, Ian is also Senior Independent Director of Induction Healthcare Group plc.
Previous appointments include Executive Chairman of Bioquell PLC, non-executive Chairman of Redcentric plc, Quantum Pharma PLC, Cyprotex PLC and Celsis Group Ltd., Senior Independent Director of Clinigen plc and Non-Executive Director of Ergomed PLC. He has also served on the boards of various other public and private companies, including AIM listed companies; Evans Analytical Group and AOI Medical Inc.
Ian studied at Cardiff University, obtaining a B.Sc. and M.Sc. in Microbiology. He is a Chartered Biologist, a Fellow of the Royal Society of Biology and a member of the Institute of Directors.
Alexander Brennan
Chairman
Alexander has two decades’ experience of delivering growth for businesses in the UK and internationally, both as principal and as an advisor.
He founded UK-headquartered Brennan & Partners in 2016, providing business development advisory services for UK and international clients. In addition to his roles at Brennan & Partners and Big Technologies Plc, Alexander is the Executive Chairman of Altitude Group Plc and is a Board Director of Proyectos ONDDI, S.A.. He is also a Trustee at Canning House. Alexander was previously a Board Director at Symphony Environmental Technologies Plc.
Alexander began his career at Slaughter and May where he practiced as a corporate lawyer. Prior to founding Brennan & Partners, he worked at De La Rue Plc, focusing on B2G and B2B sales across Europe and the Americas.
Camilla Macun
Non-Executive Director
Camilla is a highly experienced professional equities fund manager.
In the UK she has launched and managed portfolios on behalf of many diverse types of clients, including institutional pension funds, retail funds, local authorities and private banks. She has successfully raised and grown new funds and won new mandates. She is a UK citizen based in Abu Dhabi with a residence visa, until recently working as a product manager in the investment product group at ADCB Abu Dhabi. She is a director of Cranmore Partners, a boutique advisory firm specialising in project finance in the energy sector.
Sangita Shah
Non-Executive Director
Sangita is a seasoned director, having served on various PLC boards across diverse industries.
She is currently Interim Non-Executive Chair of Inspired PLC, Non-Executive Chair of Nasdaq-listed Forward Industries Inc., Chair of the Windsor Leadership Programmes, Trustee of Willow Foundation, and serves as Investor Director for a handful of privately owned companies.
Her appointments have also included Non-Executive Chair of AIM-traded Kinovo plc, RA International plc, and Board Director of Ten Entertainment Group PLC.
As a full-time director, she has held a number of senior roles within blue-chip organisations, including Unilever, Mars, Ernst & Young, and KPMG. She was also a former Board Director of Swindon Town FC, Commonwealth Business Council, Trustee of Care International, and a past President of the Chartered Institute of Journalists. She has consulted for a number of organisations, including HM Cabinet Office, HSBC, and other blue-chip companies.
Sangita is a qualified accountant and a frequent keynote Chair and speaker at forums for the Windsor Leadership Trust and, in the past, the European Parliament.
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