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Leadership Team

Simon Best

Managing Director

Simon founded STI in 1989, during this time he has overseen the acquisitions STI has made including Roban Electronics, Fourlink Electronics, SSE Labs Limited and Airbus Defence and Space Poynton facility. He also facilitated the sale of 80% of STI shares to Integrated Micro-Electronics Inc, a listed Philippines business, majority owned by the Ayala Corporation Industrials Division of the Ayala Corporation. 

Simon attended RMA Sandhurst being commissioned into the Staffordshire Regiment.

Tony Best

Alternate Director

Tony joined STI as a Director in March 2010. From 1982 – 2010 Tony worked in the financial services industry, spending nearly 25 years at the US investment bank JPMorgan where he was Head of Global Sales and member of the Global Executive Committee. 

Tony sits on various boards and is a non-executive director of Via Optronics, HSSMI and SME Capital. Tony has a degree in Politics, Philosophy & Economics from Oxford University.

David Taylor

Executive Director – Commercial

David joined STI in January 2020 as Managing Director Designate, working alongside Simon Best. 

David has over 30 years of experience in the electronics industry (design, manufacturing and distribution) with leadership roles in major companies including Ultra Electronics, TT Electronics and Thales. More recently he headed up Prodrive, a leading motorsport and advanced technology business.

Gareth Bex

Executive Director – Defence & Security

Gareth joined STI from the British Army in March 2020 and is responsible for Aerospace, Defence and Security (ADS) strategy, business development and sales activities. He also leads on external communications for STI.

With more than 30 years of risk management and leadership experience in high threat, complex environments around the Globe, he specialised in intelligence, bomb disposal, secure communications, electronic counter measures, weapon systems, special projects and capability management.

Nick Davey

Chief Technology Officer (STI and IMI)

Nick joined STI in January 2011 to set up the Research and Development activity. Prior to this Nick ran his own product development company for 10 years and worked 11 years at Motorola within Global Commodity/Materials Management, leading the International NPI Development within the Mobile Handset Division.

In 2019, 3 years after IMI’s acquisition of STI, Nick was appointed Chief Technology Officer of IMI.   

Chris Lyon

Chief Operating Officer

Chris joined STI in 2000 and is now Chief Operating Officer. He is responsible for the operational outputs of all three manufacturing facilities – Hook, Poynton and Cebu.

Prior to joining STI, he held various Engineering Manager roles in Plessey Avionics and GEC Marconi Radar and Defence and was Production Manager at Raytheon Marine. Chris has a BSc Degree in Mechanical Engineering.


Ian Cameron-Mowat

Defence Advisor

Ian’s Army career combined service in Signals units with spells in intelligence, Special Forces and the United Nations. His last seven years were spent leading procurement teams focused on counter-terrorism technologies. 

Since 2010 Ian has assisted a broad range of defence industry clients in the UK and overseas, advising on strategy and helping companies find the right partners and win contracts.  As a core part of that portfolio, he has worked with STI since 2012.

Dr Allan Goldman

Medical Advisor

Dr Allan Goldman trained as a doctor in South Africa before coming to London in 1990. He completed his paediatric intensive care specialisation in both London and Australia. He took up the post of consultant in paediatric intensive care (cardiac) at Great Ormond Street Hospital (GOSH) in 1998 and continues to practice in this field.

He also has a number of senior clinical leadership posts at GOSH including Chief for The Body, Bones and Mind Directorate (surgery, paediatrics, orthopaedics, urology and mental health) as well as Group Director for medicines, tests and therapies directorate (pharmacy, labs and allied health professionals).

Prof. Hugh Montgomery

Medical Advisor

Hugh obtained a first-class BSc in Cardiorespiratory Physiology and Neuropharmacology in 1984, before graduating from the Middlesex Hospital Medical School in 1987. He obtained his higher research degree from University of London in 1987. He is accredited in General Internal Medicine, Cardiology and Intensive Care Medicine. He has published >500 scientific papers, three in ‘Nature’. 

Hugh currently holds positions as Professor of Intensive Care Medicine at University College London, Consultant Intensivist & Director for Research and Innovation at Whittington Hospital and Head at the Centre for Human Health and Performance, UCL Division of Medicine.