David Buller
David Buller is a seasoned healthtech entrepreneur and venture capitalist with a strong track record in business building, high-return investments, and access to global deal flow. As co-founder of the Ascension Life Fund, he led successful digital health investments in the UK. In 2023, David partnered with Laurent to establish KELES, a European venture capital firm focused on digital health. Together, they analyzed over 3,000 startups and refined a unique investment thesis. David’s operational expertise and keen eye for innovation complement Laurent’s pharma leadership, positioning KELES to back high-growth companies and drive healthcare transformation across Europe.
Company:KELES
At the heart of KELES’ mission is a commitment to pioneering today’s digital healthcare innovation across Europe.
The firm’s vision is to integrate traditional healthcare methodologies with revolutionary digital solutions—elevating patient care, advancing AI research and development, and transforming diagnostics.
KELES is uniquely positioned to access the best deals, enable scale-up, and maximise exit opportunities. With experience spanning from inception to exit, from investor to acquirer, the team understands both the economics and execution required to build lasting value.
