Key people

At STG Aerospace we are proud of our team of specialists who offer expertise across a wide range of key sectors including technology, aviation and aerospace.

Our management have a total of over 95 years’ experience in the industry and build strong relationships with our customers to understand the challenges they face – allowing them to deliver innovative solutions to meet all needs.

  • Nigel Duncan
  • Marcus Williams
  • Sean O’Kell
  • Tessa Evans
  • Pierre Michard
  • Michael Steward
  • Grant Bennett
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Nigel Duncan

Chief Executive

Nigel Duncan was appointed as CEO of STG Aerospace in 2013 after a successful and varied career spanning more than 25 years in aviation and industrial markets, encompassing established OEMs and entrepreneurial start-ups.

Nigel previously held general management and senior sales/marketing roles with leading aerospace companies including Crane Aerospace and Electronics, Page Aerospace (now UTAS), AlliedSignal Aerospace (now Honeywell) and Fairchild Fasteners (now Alcoa). Nigel also raised private equity to co-found and develop an online trading exchange for aerospace hardware.

Nigel has extensive experience opening channels for new markets in the USA, Europe and in recent years China, having developed relationships with a number of AVIC companies and securing over $750m in Tier 1 and Tier 2 aerospace contracts on COMAC C919.

Through Nigel's experience and leadership vision, he is steering STG Aerospace on a global growth trajectory. Nigel and his leadership team are building upon STGs renowned saf-Tglo® brand to develop  broader technology offerings such as LED cabin lighting (liTeMood®) and signage (saf-Tsign®) for commercial aviation, plus night vision compatible lighting and signage for military.


Marcus Williams

Global Sales and Marketing Director

As Director of Global Sales & Marketing, Marcus is responsible for sales & marketing management of all STG’s products and services worldwide. Marcus is driving strategic customer alignment with top OEM’s, Airlines and MRO’s  involving the development, co-ordination and leadership of STG’s global growth initiatives.

Joining STG Aerospace in July 2013, Marcus has over 15 years’ wide-ranging sales, marketing and engineering management experience in the aerospace industry, holding key positions within Tier 1 OEM’s, airlines and third party integrators. Most recently, Marcus was Regional Business Manager in Europe for Crane Aerospace group of companies, doubling regional revenues in 3 years.  Prior to this, Marcus held sales roles of increasing responsibility with GE Aviation, Valmont PLC and European Aviation.



Sean O’Kell

Director of Innovation

Dr Sean O’Kell holds a degree in Chemistry and Materials Science and a PhD in Materials Engineering. Throughout his career, he has gained considerable experience in the development of coatings for advanced material applications.

As Director of Innovation at STG Aerospace for the past eight years, Sean has been responsible for the design, development and certification of all photoluminescent products. He liaises with the key aviation authorities, operators and customers on all technical levels and is recognised as a technical expert in the formulation, testing and application of photoluminescent materials for use in aircraft and Cabin Safety.

Sean is an active member of the SAE committees for Interior and Crew Station Lighting (A-20A and A-20C) and is responsible for ARP503 Emergency Evacuation Illumination document.


Tessa Evans

Financial Director

Tessa Evans has 17 years of Finance and Accounting experience. As Financial Director at STG Aerospace, she directs all financial aspects of the business including accounting practices, budgeting, financial planning, treasury management, interface with the financial community, financial analysis and monitoring of financial performance.

Tessa holds a degree in Accounting and Finance (BA Hons) and is a chartered accountant FCA.


Pierre Michard

Director of Programmes

As Director of Programmes, Pierre Michard is responsible for ensuring their timely delivery to support the company’s growth plan. He joined STG Aerospace as Business Development Manager in 2014 working with airlines and OEMs to identify new product opportunities.

Before joining STG, Pierre was Programme Manager at Esterline managing the Entry Into Service for the sensors system package installed on the Rolls-Royce Trent XWB and TP400 engines.

Prior to this, Pierre held different roles in the aerospace sector including NH90 Helicopter ILS Manager at the French MoD in Paris and Business Development Manager at Eltra in Hong-Kong partnering with Airbus to develop aftermarket services in China.

Pierre holds an MSc. in Industrial Engineering and Management from Grenoble Institute of Technology and Universidad Politecnica de Madrid.


Michael Steward

Head of HR

As Head of HR, Michael is responsible for all aspects of our people function, delivering both strategic and ‘hands-on’ operational support and counsel. Michael plays a key role in recruiting talented people into our business, employee engagement and ‘best practice’ people management. He also drives our strategic people plan, together with a strong focus on talent management.

Michael has over ten years’ experience of people management, with significant experience in leading change management programmes. This is within complex multi-site businesses in both services and manufacturing sectors, and negotiated in both unionised and non-unionised environments. His experience ranges from SME in growth stage to FTSE 100 in maturity stage of the business life cycle.

Michael is a Fellow of Chartered Institute of Personnel & Development (FCIPD), and holds a MBA degree and a Masters in Employment Law (LLM), together with a First Class (Bsc Hons) in International Business. He has recently passed the Institute of Director’s written examinations for the Chartered Director (C Dir) programme.


Grant Bennett


Appointed in June 2017, Grant has overall responsibility for the Operations and Engineering departments and for the Supply Chain team. Based at the STG Aerospace Innovation & Engineering Centre in Cwmbran, he plays a vital role in ensuring the ongoing seamless integration of all operational functions.

With over 20 years’ management experience and extensive commercial exposure to customers and end users, Grant is an active champion for change. Trained in lean manufacturing at Toshiba, he holds a Six Sigma Blackbelt and is experienced in the application of total productivity concepts including Kaizen and 6S.

He joined STG Aerospace from NOTE UK where he was Managing Director overseeing the provision of Electronic Manufacturing Services for a broad range of industry sectors. Prior to that, he held positions as UK Operations Director for the Integrated Manufacturing Services division of TT Electronics and as Manufacturing Director of ACW Technology Ltd.




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Customer testimonial

“STG Aerospace liTeMood® system provided the product benefits, low cost and technical advantages we were looking for to enhance our B737NG cabin interiors, and simultaneously providing our customers with the best cabin ambience experience.” Freek Van De Pal, Manager maintenance & Engineering, Arkefly

STG Aerospace facts

STG Aerospace products are installed in over 11,000 aircraft, over one-third of the world’s passenger fleet. STG Aerospace understands the challenges faced by OEMS, working with Boeing, Embraer, BAE Systems, Fokker and Saab.