Coulter Partners Recruits CFO for Tristel
November 7, 2025 – Life sciences recruiting specialist Coulter Partners has placed Anna Wasyl as the new CFO of Tristel plc. “Anna’s appointment comes at an exciting and important time for Tristel,” said Matt Sassone, CEO of 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.”
“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,” said Mr. Sassone. “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.”
Ms. 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. Ms. Wasyl has 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, she has led cross-functional high-performing teams, overseen business operations with revenues up to $1 billion, and raised over $200 million in capital.
Ms. Wasyl joins Tristel from CMR Surgical, 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, she led the company through go-to-market model transition and a major turnaround program, delivering significant reduction of operational expenses and cash burn. Prior to that, Ms. Wasyl spent 18 years at ABB Group, where she rose through the ranks to become CFO of the robotics & discrete automation business unit in Shanghai, China.
Tristel is a global infection prevention company focused on the manufacture and supply of products using its unique proprietary chlorine dioxide (ClO2) chemistry. It operates globally employing approximately 270 people across 16 subsidiaries selling into 40+ countries.
Coulter Partners is a board- and senior-level global executive search specialist focused exclusively on life sciences. The firm works closely with those at the cutting edge of innovation in the industry to understand their challenges. With an extensive global network and expertise gained over 25 years in the sector, Coulter Partners is a trusted leadership adviser in the pharmaceuticals, biotechnology, medical technology, diagnostics, health-tech, CRO, and services sectors.
Related: Coulter Partners Places Biotech Entrepreneur as CEO of Nuage Therapeutics
Coulter Partners also works closely with the global investor community, hiring for their own teams as well as building the boards and executive leadership teams of their portfolio companies. Coulter Partners’ team of 95 completes over 260 assignments a year working from 14 offices across the U.K., EMEA, the U.S., and APAC.
Bianca Coulter founded Coulter Partners in 2003 and has 25 years’ experience of board and C-level global search, building the leadership teams of early-stage, mid-cap, and global multinationals in over 20 countries. Through appointing leadership, Ms. Coulter channels her judgment and expertise to impact patient benefit and assist those at the cutting edge of life science to achieve their goals.
iOnctura Search
Coulter Partners also recently recruited Steven Sciuto as the new CFO of iOnctura. “Following our successful initiation of a number of Phase II studies for our lead asset, roginolisib, we are committed to building a world-class leadership team that not only delivers on the promise of this asset but also strengthens our entire portfolio,” said Catherine Pickering, CEO and co-founder of iOnctura. “As we enter the next phase of our strategy, every new leader has been carefully chosen for their expertise, vision and ability to drive transformative growth – and Steve joins us to do just that. Together, we will propel the company forward, ensuring we are well-positioned for the next chapter of our journey and sustained success.”
“We were impressed with Coulter Partners’ seamless execution of this search,” Dr. Pickering said. “Their extensive network in the CFO market ensured a consistent stream of high-caliber candidates, providing us with a diverse pool to choose from. Coulter Partners’ ability to leverage their insights and provide valuable market intelligence on candidate profiles truly supported our decision-making process and ultimately led us to an exceptional fit for iOnctura.”
Related: Coulter Partners Recruits Chief Scientific Officer for Biomia
Contributed by Scott A. Scanlon, Editor-in-Chief and Dale M. Zupsansky, Executive Editor – Hunt Scanlon Media
