Our leadership team

Our leadership team

Ada’s sophisticated AI and vision to transform global healthcare is driven by a team of more than 100 people around the world. Meet some of them here.
Daniel Nathrath Founder & Chief Executive Officer
Founder & Chief Executive OfficerDaniel Nathrath
Founder & Chief Executive OfficerDaniel Nathrath

Daniel has nearly 20 years' experience leading the charge to bring transformational technology to new industries. During his career, he has founded and led several internet startups based in Denmark, Germany, the US and the UK. After studying law as a Fulbright Scholar at the University of Houston, Daniel earned his MBA at the University of Chicago, then shifted his focus to consulting at Boston Consulting Group before embarking on his entrepreneurial journey.

Dr. Claire Novorol Founder & Chief Medical Officer
Founder & Chief Medical OfficerDr. Claire Novorol
Founder & Chief Medical OfficerDr. Claire Novorol

Claire is a trained doctor, and served as a pediatrician in London before specializing in clinical genetics. With a degree in both Pathology and Medicine from the University of Bristol and a PhD in Neuroscience from the University of Cambridge, Claire oversees all of Ada’s medical affairs. As an industry thought leader, she gives a voice to the clinicians, patients and doctors to ensure that our product meets their needs.

Dr. Martin Hirsch Founder & Chief Scientific Officer
Founder & Chief Scientific OfficerDr. Martin Hirsch
Founder & Chief Scientific OfficerDr. Martin Hirsch

Martin has a PhD in Neuroscience and a Diploma in Physiology. A medical researcher turned serial entrepreneur, Martin shifted from theory to innovation after publishing his work on nerve modelling in scientific journal Nature. His first venture was a nerve modelling program that saved thousands of animals from lab testing. He developed the first version of Ada for doctors and continues to shape the way Ada learns today. Martin is a grandson of the celebrated Nobel Laureate Werner Heisenberg.

Peter Siciliano Chief Product Officer
Chief Product OfficerPeter Siciliano
Chief Product OfficerPeter Siciliano

Peter leads Ada’s Product Delivery teams, encompassing Engineering, Product Management and User Experience. Before joining Ada, Peter held several executive positions from CTO / Head of Product to COO for organizations in a variety of industries, including corporate compliance, advertising, e-commerce, music technology and digital distribution. Born in Houston, TX he has lived and worked in LA, Tokyo, Hong Kong and Denver, before moving to Berlin.

Johannes Schröder Chief Technology Officer
Chief Technology OfficerJohannes Schröder
Chief Technology OfficerJohannes Schröder

Johannes leads Ada’s technology team and is responsible for software architecture and ensuring products are secure, scalable and deployable within clinical settings. Better known as "Schroedi" around the office, the Ada CTO previously held senior roles at several startups focusing on language technologies and information retrieval. Raised in Lüben, south of Berlin, Johannes studied Computational Linguistics at the University of Potsdam.

Niels Boon Chief Financial Officer
Chief Financial OfficerNiels Boon
Chief Financial OfficerNiels Boon

Niels is responsible for Ada’s global financial strategy. After graduating with a Master of Finance from the University of Amsterdam, he learned the tricks of the trade through advisory roles in investment banking at Sequoia and consulting at McKinsey & Company, before gaining first-hand responsibilities at several multinational internet companies, including as Head of Strategic Finance at Zalando and CFO at itembase, Inc. and Bonial.com.

Marvin Rottenberg Vice President of Marketing
Vice President of MarketingMarvin Rottenberg
Vice President of MarketingMarvin Rottenberg

Marvin oversees our marketing department and is responsible for user acquisition, branding and growth. Prior to joining Ada, he worked at Google and specialized in performance & brand marketing where he consulted with startups and multinational corporations on digital growth strategies. He earned his Masters of Science degree in Political Economy at the London School of Economics for his research on China’s and India’s evolving E-commerce landscapes.

Henry Hoffmann Head of Research
Head of ResearchHenry Hoffmann
Head of ResearchHenry Hoffmann

Henry leads Ada’s Research team. The native Berliner spearheads algorithm development, modeling proprietary languages and developing novel approaches to knowledge representation. Henry studied computer engineering at the Technical University of Berlin and has since developed several artificial intelligence technologies.

Ewelina Türk Head of Medical Content
Head of Medical ContentEwelina Türk
Head of Medical ContentEwelina Türk

Ewelina has a key role in leading Ada’s medical content team and managing the medical knowledge architecture. Born in Konin, Poland, and raised in Guben, Germany, Ewe went on to study medicine at the Charité - Universitätsmedizin in Berlin. Her particular area of clinical interest is pediatrics, especially the fields of emergency and preventative care. Alongside her work in the medical content team, Ewelina is currently completing a doctorate in the field of pediatric rheumatology.

Bethany Dufresne Head of Communications
Head of CommunicationsBethany Dufresne
Head of CommunicationsBethany Dufresne

Bethany has a diverse communications background across agency and in-house. Prior to Ada, she led corporate communications for a financial technology startup in San Francisco and managed integrated communications programs for global tech clients at Edelman. Bethany received a Masters in Global Affairs from New York University. At Ada, Bethany oversees the company’s communications and PR initiatives.

Hila Azadzoy Global Health Initiatives Managing Director
Global Health Initiatives Managing DirectorHila Azadzoy
Global Health Initiatives Managing DirectorHila Azadzoy

Hila is dedicated to using technology for social good, leading our Global Health Initiatives to improve access to healthcare in resource-limited countries. Before Ada, Hila was a founding member and Head of Academics at Kiron Open Higher Education, a startup removing barriers to education for refugees. She is a Digital Female Leader Award recipient, an MIT Solve Member, and a talented public speaker (TEDx, Clinton Global Initiative, UNESCO NGO Forum, and UBS Social Innovators).