THE TEAM
BEHIND ZELIM
Our leadership
Our leadership team brings together decades of maritime, engineering and commercial experience. With a sharp focus on performance, compliance and operational value, they steer Zelim’s growth while ensuring our technology delivers measurable impact where it matters the most.
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Sam
MayallFounder & CEO
Sam, a seasoned mariner with experience ranging from dinghies to 40,000-tonne vessels, brings firsthand knowledge of maritime emergencies to his role at Zelim. His innovative concept of unmanned rescue, born from real-world experience, has revolutionised search and rescue capabilities. Recognised in Forbes’ 30 Under 30 Europe 2024 – Technology, Sam now leads Zelim’s efforts to commercialise advanced lifesaving solutions and secure strategic investments.
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Stewart
GregoryCOO
Former Innovation Director and VP at Survitec, Stewart brings extensive maritime safety expertise to Zelim. With a background in the RAF and a track record of successful product development, including the award-winning Seahaven life raft, he now spearheads the commercial rollout of Zelim’s lifesaving solutions.
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Andrew
TippingCSO
Andy has spent much of his career commercialising novel technologies in the maritime world, spending 8 years in offshore wind, where he founded the industry’s first technology accelerator, the Launch Academy. Andy joined Zelim as a co-founder in 2019 and has taken Zelim’s technology for search, rescue and security from idea on a page to global commercial rollout. Andy leads on strategy and new markets.
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Alan
GilbertCFO
Alan brings over 20 years’ experience in the energy sector, having held several senior finance roles up to CFO level, including leading a successful exit to a US-listed business. At Zelim, he is heavily involved in fundraising and investor relations, alongside overseeing financial stewardship, legal governance and HR, supporting the company’s strategic growth and international expansion.
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Barry
ParkRegional Director APMEA
Barry Park brings over 15 years of senior leadership experience, including 14 years as Managing Director, driving international expansion and commercial growth in the maritime and energy sectors. He is now Regional Director – APMEA at Zelim Ltd, leading growth and strategic partnerships across Asia Pacific, the Middle East and Africa. Barry focuses on strengthening regional presence, building partnerships, and advancing life-saving maritime technologies.
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Rory
HughesTechnical Director
Rory is an experienced engineer who specialises in working on large-scale radar processing as well as consumer mobile phone algorithms. He leads the development of the ZOE product and sits across software, machine learning, sensors and processing technology. He laid the cornerstones of the ZOE stack and has been building an engineering team and culture around quality, innovation and scaleability since 2023
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Mike
CollierVice President Cruise & Defence
Mike began his career in the Royal Navy as an engineer (radars and combat systems). He gained further technology and project management experience (telecoms and surveillance), before joining Carnival Corporation, where among his other responsibilities, he led the ISO working group on the creation of ISO21195:2020 – Man Overboard Detection. Mike spent 5 years at a competitor, where he led Business Development for man overboard and defence opportunities. At Zelim, Mike is focused on delivering sales in the Cruise and Defence sectors.
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Tom Dunne
BGen (Ret’d)Vice President Canada
Tom is a former SAR pilot with extensive experience leading search and rescue operations in challenging maritime environments, both for the RCAF and the USCG. He has commanded SAR units at the Squadron and Wing level and served as SAR Advisor to the Commander of the RCAF. Tom leads Zelim’s expansion into the Canadian market, advancing technology-enabled SAR in North America.
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John
CummingDirector – International Business Development
John brings experience spanning the ferry, defence, and offshore services sectors. After working as an analyst in an investment bank, he served 10 years as an officer in the British Army, leading infantry, Royal Marines, and specialist teams. Latterly, he worked within Strategic Command’s Innovation Hub, applying technology to solve tactical challenges. He then helped commercialise zero‑emission and high‑performance vessels at Artemis Technologies before joining Zelim to advance automated offshore safety and rescue solutions.
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Graeme Davidson
Director of IT, Infra & Security
Graeme is an experienced technology professional with a background spanning IT operations, systems engineering and technical leadership across multiple organisations. He has worked in fast-paced, mission-critical environments, supporting complex infrastructure and delivering reliable, scalable solutions. Graeme brings a pragmatic, detail-driven approach to problem solving and is passionate about using technology to improve performance, resilience and real-world outcomes.
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Claire
AndersonHead of Marketing
An experienced senior marketer with over a decade of B2B marketing experience, including five years specialising in AI-driven solutions for the maritime and offshore sectors. Combining marketing and commercial expertise, she has supported business growth across the offshore energy, maritime and defence markets. Originally trained and qualified as a commercial lawyer in Edinburgh, she brings a strong understanding of complex stakeholder environments, regulated industries and the strategic positioning of technical solutions.
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Louise
HollyProgramme Manager
Louise has a varied breadth of experience delivering projects at scale in banking, finance, education and technology. Originally trained in law, Louise has an extensive academic background, and a successful track record implementing and scaling business processes and controls. Louise now manages the PMO office at Zelim, leading a project team working on client deliveries and business change initiatives.
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Stephen
LedsomQHSE Director
Stephen is a highly experienced Health, Safety, Environment and Quality professional with over 20 years of expertise across the Commercial, Aerospace and Maritime sectors. Throughout his career, he has developed and led robust management systems that drive regulatory compliance, operational excellence, and product assurance in safety-critical environments. A recognised subject matter expert in Human Factors and Just Culture, Stephen brings a deep understanding of how organisational behaviour, leadership and systems influence safety performance.
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Julie
RegameyProduct Lead
Julie, an experienced product manager with a background in highly regulated industries, including pharmaceuticals and health tech. Julie specialises in turning complex requirements into scalable, user-centred solutions. With a strong focus on compliance, quality, and measurable impact, she bridges the gap between technical teams and commercial strategy to deliver products that perform in demanding, real-world environments.
Sam
Mayall
Founder & CEO
Sam, a seasoned mariner with experience ranging from dinghies to 40,000-tonne vessels, brings firsthand knowledge of maritime emergencies to his role at Zelim. His innovative concept of unmanned rescue, born from real-world experience, has revolutionised search and rescue capabilities. Recognised in Forbes’ 30 Under 30 Europe 2024 – Technology, Sam now leads Zelim’s efforts to commercialise advanced lifesaving solutions and secure strategic investments.
Stewart
Gregory
COO
Former Innovation Director and VP at Survitec, Stewart brings extensive maritime safety expertise to Zelim. With a background in the RAF and a track record of successful product development, including the award-winning Seahaven life raft, he now spearheads the commercial rollout of Zelim’s lifesaving solutions.
Andrew
Tipping
CSO
Andy has spent much of his career commercialising novel technologies in the maritime world, spending 8 years in offshore wind, where he founded the industry’s first technology accelerator, the Launch Academy. Andy joined Zelim as a co-founder in 2019 and has taken Zelim’s technology for search, rescue and security from idea on a page to global commercial rollout. Andy leads on strategy and new markets.
Alan
Gilbert
CFO
Alan brings over 20 years’ experience in the energy sector, having held several senior finance roles up to CFO level, including leading a successful exit to a US-listed business. At Zelim, he is heavily involved in fundraising and investor relations, alongside overseeing financial stewardship, legal governance and HR, supporting the company’s strategic growth and international expansion.
Barry
Park
Regional Director APMEA
Barry Park brings over 15 years of senior leadership experience, including 14 years as Managing Director, driving international expansion and commercial growth in the maritime and energy sectors. He is now Regional Director – APMEA at Zelim Ltd, leading growth and strategic partnerships across Asia Pacific, the Middle East and Africa. Barry focuses on strengthening regional presence, building partnerships, and advancing life-saving maritime technologies.
Rory
Hughes
Technical Director
Rory is an experienced engineer who specialises in working on large-scale radar processing as well as consumer mobile phone algorithms. He leads the development of the ZOE product and sits across software, machine learning, sensors and processing technology. He laid the cornerstones of the ZOE stack and has been building an engineering team and culture around quality, innovation and scaleability since 2023
Mike
Collier
Vice President Cruise & Defence
Mike began his career in the Royal Navy as an engineer (radars and combat systems). He gained further technology and project management experience (telecoms and surveillance), before joining Carnival Corporation, where among his other responsibilities, he led the ISO working group on the creation of ISO21195:2020 – Man Overboard Detection. Mike spent 5 years at a competitor, where he led Business Development for man overboard and defence opportunities. At Zelim, Mike is focused on delivering sales in the Cruise and Defence sectors.
Tom Dunne
BGen (Ret’d)
Vice President Canada
Tom is a former SAR pilot with extensive experience leading search and rescue operations in challenging maritime environments, both for the RCAF and the USCG. He has commanded SAR units at the Squadron and Wing level and served as SAR Advisor to the Commander of the RCAF. Tom leads Zelim’s expansion into the Canadian market, advancing technology-enabled SAR in North America.
John
Cumming
Director – International Business Development
John brings experience spanning the ferry, defence, and offshore services sectors. After working as an analyst in an investment bank, he served 10 years as an officer in the British Army, leading infantry, Royal Marines, and specialist teams. Latterly, he worked within Strategic Command’s Innovation Hub, applying technology to solve tactical challenges. He then helped commercialise zero‑emission and high‑performance vessels at Artemis Technologies before joining Zelim to advance automated offshore safety and rescue solutions.
Graeme Davidson
Director of IT, Infra & Security
Graeme is an experienced technology professional with a background spanning IT operations, systems engineering and technical leadership across multiple organisations. He has worked in fast-paced, mission-critical environments, supporting complex infrastructure and delivering reliable, scalable solutions. Graeme brings a pragmatic, detail-driven approach to problem solving and is passionate about using technology to improve performance, resilience and real-world outcomes.
Claire
Anderson
Head of Marketing
An experienced senior marketer with over a decade of B2B marketing experience, including five years specialising in AI-driven solutions for the maritime and offshore sectors. Combining marketing and commercial expertise, she has supported business growth across the offshore energy, maritime and defence markets. Originally trained and qualified as a commercial lawyer in Edinburgh, she brings a strong understanding of complex stakeholder environments, regulated industries and the strategic positioning of technical solutions.
Louise
Holly
Programme Manager
Louise has a varied breadth of experience delivering projects at scale in banking, finance, education and technology. Originally trained in law, Louise has an extensive academic background, and a successful track record implementing and scaling business processes and controls. Louise now manages the PMO office at Zelim, leading a project team working on client deliveries and business change initiatives.
Stephen
Ledsom
QHSE Director
Stephen is a highly experienced Health, Safety, Environment and Quality professional with over 20 years of expertise across the Commercial, Aerospace and Maritime sectors. Throughout his career, he has developed and led robust management systems that drive regulatory compliance, operational excellence, and product assurance in safety-critical environments. A recognised subject matter expert in Human Factors and Just Culture, Stephen brings a deep understanding of how organisational behaviour, leadership and systems influence safety performance.
Julie
Regamey
Product Lead
Julie, an experienced product manager with a background in highly regulated industries, including pharmaceuticals and health tech. Julie specialises in turning complex requirements into scalable, user-centred solutions. With a strong focus on compliance, quality, and measurable impact, she bridges the gap between technical teams and commercial strategy to deliver products that perform in demanding, real-world environments.
Our mission|
To save lives and protect operations
with technology that goes beyond human limits.
Our Vision|
Where human limits fail, we provide technology to seek, identify, anticipate and save.
Powered by passionate people
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Life at Zelim
Where ambitious minds come together.
Life at Zelim is fast-moving, hands-on and genuinely collaborative. From global trade shows and sea trials to team days out and milestone moments, we work hard, travel widely and celebrate wins together. We’re united by a serious mission, but we enjoy the journey just as much.
Join us
Build the future of maritime safety & security.
We are always looking for exceptional engineers, operators and commercial thinkers who want to solve real-world challenges at sea. If you’re motivated by meaningful work, global impact and being part of a fun, high-performing team, we’d love to hear from you.