Coulter Partners conducts successful CFO search for Tristel plc
LONDON, UK – October 22, 2025 – Coulter Partners, the global expert building leadership teams for Health, Science and Technology innovation businesses, successfully completed a search assignment for Tristel plc (AIM: TSTL) and is pleased to announce the placement of Anna Wasyl as Chief Financial Officer (CFO).
Tristel plc is a global infection prevention company focused on the manufacture and supply of products using its unique proprietary chlorine dioxide (ClO2) chemistry.
Anna Wasyl is a seasoned CFO with 20+ years of experience in multinational organizations, specializing in medical devices, robotics, and industrial automation. She has led high-performing teams, managed operations with revenues up to $1 billion, and raised over $200 million in capital.
Matt Sassone, CEO of Tristel, commented: “Anna’s appointment comes at an exciting and important time for Tristel. Her broad international background, commercial mindset, and hands-on approach to both strategy and execution are exactly what we need as we enter our next phase of growth. I have been impressed by her achievements in both large corporates and scale-up environments and am confident she will make a significant contribution to our Board and to the business.”
Matt Sassone also added: “Having been placed at Tristel by Coulter Partners in a prior search, I knew their unique approach made them the right partner for this critical CFO hire. They quickly grasped our need for international scale-up experience and cultural fit – in our case, someone who would thrive in our highly collaborative team-oriented environment. Their wide search, even beyond life sciences, delivered the perfect candidate. We’re delighted with both the outcome and the partnership.”
Anna Wasyl, Chief Financial Officer of Tristel plc
Anna is a dynamic and commercially focused CFO with a strong track record in multinational organizations and technology-driven sectors, including medical devices, robotics, and industrial automation. She brings a rare blend of operational, strategic, and financial expertise, with over 20 years of experience across publicly listed and venture-backed companies. Throughout her career, Anna has led cross functional high-performing teams, overseen business operations with revenues up to $1 billion, and raised over $200 million in capital.
Anna joins Tristel from CMR Surgical (“CMR”), the Cambridge-based global surgical robotics business, where she served as Chief Commercial Partnerships and Operations Officer, having previously held the role of Group CFO. During her tenure, Anna led the company through go-to-market model transition and a major turnaround program, delivering significant reduction of operational expenses and cash burn. She was also instrumental in introducing innovative commercial models, new revenue streams, and launching strategic partnerships across 20 countries.
Prior to joining CMR, Anna spent 18 years at ABB Group (“ABB”), a global leader in automation and robotics, where she rose through the ranks to become CFO of the Robotics & Discrete Automation Business Unit in Shanghai, China. Her earlier international postings with ABB included the USA, Mexico, and Switzerland, giving her deep cross-cultural and functional insight.
Anna holds a Master’s degree in International Economic Relations from the Warsaw School of Economics and has completed executive programs at Wharton Business School, Duke University, and IMD Lausanne. She is fluent in English, Spanish, and Polish. She lives in Cambridge, UK.
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Notes to editors:
About Tristel plc
Tristel plc is a global infection prevention company focused on the manufacture and supply of products using its unique proprietary chlorine dioxide (ClO2) chemistry. The Company is a market leader in manual decontamination of medical devices, supplying hospitals under the Tristel brand, and under the Cache brand provides products for sporicidal surface disinfection, a more sustainable alternative to commonly used pre-wetted plastic wipes.
Tristel’s head office and manufacturing facility is located in Snailwell, near Cambridge, and operates globally employing approximately 270 people across 16 subsidiaries selling into 40+ countries. The Company targets annual revenue growth of between 10% and 15% and an EBITDA margin of at least 25% and the business is profitable, with no debt and has a progressive dividend policy.
The Company has been listed on the London Stock Exchange’s AIM market since 2005 (AIM: TSTL).
For more information about Tristel’s product range please visit: https://tristel.com
About Coulter Partners
We are executive search and leadership development specialists working to build a better future. As advisors and consultants to companies at the cutting edge of Health, Science, and Technology, we are united by our mission to build teams that change the world. Operating uniquely as one global team, we have honed our expertise, platform, and data for over two decades, working across three continents, and in 40 countries. Applying what we learn through our work with boards, leadership teams, and investors in the world’s most innovative companies, we bring together and develop the right people at the right time to propel them to achieve their worthwhile goals.
