our advisors

We work with visionaries in industries

Advisory Team

Norman MacLeod

Safety Advisor

Corporate safety culture consultant with 22 years experience in UK Royal Air Force; previously advised Cathay Pacific on Human Factors and CRM. Previous clients include Iceland air, SIA, Kenya Airways, Ethiopian, TAROM, Malev Hungarian, Oman Air, NetJets Europe, FlightSafety International among many others. Norman has also published two books: ‘Training Design in Aviation’ and ‘Building Safer Systems: A CRM Developers Handbook’, Ashgate.

Melvin Mathews

Maritime Advisor

Melvin is a seafarer and Captain who has worked on coastal ships, supertankers and offshore vessels. Himself an entrepreneur, he closely works with boards, start-ups & entrepreneurs to make new and emerging technology relevant to business. With nearly 30 years in the maritime industry, he is passionate about the impact of technology, innovation and environment on people.

Al Gallacher

Aviation Advisor

Al joins Signol as a consultant Aviation Adviser bringing over 47 years of experience to the company. He spent over 20 years in the Royal Air Force as a fast jet pilot and senior staff officer. He is a graduate of both the Jaguar Qualified Weapons Instructor course and the United States Air Force Fighter Weapons School. After leaving the Military, he joined Cathay Pacific Airways and spent 23 years flying both Boeing and Airbus aircraft before retiring as a Senior Captain on the Boeing 777. Since leaving Cathay Pacific, he has used his experience to conduct safety audits of major airlines.

Andrew Greig

Aviation Advisor

Captain Andy Greig MRAeS is an experienced airline training captain, with a flying career spanning over three decades of military and worldwide commercial operations. With an MSc in Air Safety Management, he specialises in the risks associated with human decision-making in safety critical systems, with a particular interest in mitigating the adverse effects of fatigue. He is a trained accident investigator, and a member of the Royal Aeronautical Society.

William Curtis

Aviation Advisor

Will holds a BSc in Civil Engineering and an MSc in Building Surveying. He entered the RAF as a pilot after university, flying VC10s in the air refuelling role. After 10 years of military service he joined the civil airlines, flying Boeing 747s, 757s, 767s and Airbus A320s and A321s, both short haul and long haul. Since 2011 he has also been involved in Flight Safety, as an occurrence investigator, risk register reviewer, and other aspects of airline Safety Management Systems. He joined Signol in 2020 in an advisory role.

Danielle Wesse

Aviation Advisor

Danielle holds a BS in Aviation Management and has flown professionally for 20 years. She served as Captain in both the airlines and corporate aviation. Danielle is also a Certified Nutrition Counselor and Lifestyle Educator. She owns her own business and has experience coaching elite athletes, corporate executives, and pilots on the path to optimum wellness. She has uniquely combined both interests to educate pilots, flight attendants and corporate flight departments of the importance of health and nutrition in the aviation industry. She is very familiar with the specific challenges of flight crews and instructs on how to identify unhealthy behaviors. Danielle has been the keynote speaker for the National Business Aviation Association Conferences on the topic of wellness and the importance of implementing a Health & Wellness Program at airlines and flight departments.

David Ezra Jay

Aviation Advisor

David is an entrepreneur with an extensive aviation background. He has a passion for developing technology that focuses on having a positive social and environmental impact. He brings Signol a strong understanding of the complexities, cultures, and behaviors surrounding flight operations.

Paul Dowell

Maritime Advisor

Paul Dowell joins Signol as a consultant Maritime Advisor, bringing extensive knowledge and business insights from the Maritime sector. Having graduated with a degree in Maritime Commerce from Cardiff University he joined Howe Robinson Shipbrokers in 1997 to establish a research and consultancy division after holding various operations and trade management positions in the Shipping industry. Specialising in the containership sector Paul gained a reputation as a leading market commentator and has advised financiers, lawyers, ship owners and liner companies. In addition to his research role he was head and director of Howe Robinson Marine Evaluations Ltd. and sat on the main board of consultancy company Maritime Strategies International Ltd.

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