Our leadership team

Daniel Nathrath

Co-founder & Chief Executive Officer

Daniel Nathrath

Co-founder & Chief Executive Officer

Daniel Nathrath

For two decades, Daniel has led the charge to bring transformational technology to new industries. He 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, he earned his Master of Business Administration at the University of Chicago. Daniel worked at Boston Consulting Group before starting his entrepreneurial journey.

Claire Novorol

Co-founder & Chief Medical Officer

Dr. Claire Novorol

Co-founder & Chief Medical Officer

Dr. Claire Novorol

Claire is a trained medical doctor. She worked as a pediatrician in London before specializing in clinical genetics. She earned a degree in both pathology and medicine from the University of Bristol, and a PhD in neuroscience from the University of Cambridge. Claire oversees medical quality and our medical teams. She gives a voice to patients and healthcare professionals to make sure our products meet their needs.

Martin Hirsch

Co-founder & Chief Scientific Advisor

Prof. Dr. Martin Hirsch

Co-founder & Chief Scientific Advisor

Prof. Dr. Martin Hirsch

Martin has a PhD in neuroscience and a diploma in physiology. A medical researcher turned entrepreneur, Martin shifted from theory to innovation after publishing his work on nerve modeling in the scientific journal Nature. His first venture was a nerve modeling 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.

Urban Liebel

Chief Technology Officer

Dr. Urban Liebel

Chief Technology Officer

Dr. Urban Liebel

Urban is a digital workflow innovator in the life science and healthcare sector. After his PhD in systems biology at EMBL, Heidelberg, he started the Screening Center at Karlsruhe Institute of Technology, then his first company in automated microscopy and data processing. He guides our teams to improve and develop powerful products and solutions. “My goal is to help Ada improve health outcomes for 1 billion people.”

Chris Lossin

Chief Business Development Officer

Chris Lossin

Chief Business Development Officer

Chris Lossin

Chris spent his early career in Europe, including a role as Development Director at Bupa. He worked in several Asian countries and led major development initiatives for some of the world’s largest health and financial services companies. Chris now leads Ada’s business development activities, overseeing our commercial relationships with healthcare systems and governments worldwide. “Cultivating the right partnerships will help us achieve our mission.”

Jeff Cutler

Chief Commercial Officer (Americas)

Jeff Cutler

Chief Commercial Officer (Americas)

Jeff Cutler

With 25 years' experience in healthcare and digital media, Jeff leads our business in the Americas, establishing partnerships with health systems, payers, employers, and other digital health platforms. Before Ada, Jeff oversaw the US launch of TytoCare and Vitals. “My goal is to further our mission of democratizing access to healthcare by creating meaningful partnerships that align with our values.”

Vanessa Lemarié

SVP of Life Sciences & Rare Diseases

Vanessa Lemarié

SVP of Life Sciences & Rare Diseases

Vanessa Lemarié

Vanessa focuses on partnerships with pharmaceutical and consumer health companies that use our technology to enable access to high medical quality health assessments and advice. Before Ada, she led marketing and commercial teams at Bayer for 15 years. “We partner with the most innovative players in our field. Our objective is to enable earlier and more accurate disease detection and diagnosis while achieving commercial sustainability.”

Marvin Rottenberg

Vice President of Marketing

Marvin Rottenberg

Vice President of Marketing

Marvin Rottenberg

Before Ada, Marvin worked at Google and specialized in performance and brand marketing where he consulted with multinational corporations on digital growth strategies. He oversees our Marketing Department, all global marketing activities, and is responsible for user acquisition, branding, and growth. “Billions of people lack access to essential health services. I want Ada to get that number to 0.”

Ewelina Türk

Vice President of Medical AI

Ewelina Türk

Vice President of Medical AI

Ewelina Türk

Ewelina leads our core technology division that provides Ada's clinical intelligence. She studied medicine at Berlin's Charité Universitätsmedizin and has a clinical interest in pediatrics, especially emergency and preventative care. Alongside her work with us, Ewelina is completing a doctorate in pediatric rheumatology. "I help our teams build the best medical AI in the world.“

Henry Hoffmann

Director of Research

Henry Hoffmann

Director of Research

Henry Hoffmann

Henry led the prototyping of Ada’s core technology, developing AI algorithms, proprietary modeling languages, and new approaches to knowledge representation. As our Director of Research, he oversees teams that develop our future technology. “For me, it's always about the next step – pushing the boundaries and going where no one has gone before.”

Bethany Dufresne

Director of Communications

Bethany Dufresne

Director of Communications

Bethany Dufresne

Bethany has a diverse communications background across agency and in-house. Before 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 Master of Global Affairs from New York University. She oversees our communications and PR initiatives.

Hila Azadzoy

Managing Director, Global Health Initiative

Hila Azadzoy

Managing Director, Global Health Initiative

Hila Azadzoy

Hila oversees our Global Health Initiative to improve healthcare access in resource-limited countries. Before Ada, Hila was a founding member and Head of Academics at Kiron Open Higher Education. She is a Digital Female Leader Award recipient and an MIT Solve Member. Hila is a talented public speaker and has presented at TEDx, Clinton Global Initiative, and UNESCO NGO Forum. “I'm dedicated to using technology for social good.”