Our leadership team

Daniel Nathrath

Co-founder & Chief Executive Officer

Daniel Nathrath

Co-founder & Chief Executive Officer

Daniel 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.

Claire Novorol

Co-founder & Chief Medical Officer

Dr. Claire Novorol

Co-founder & Chief Medical Officer

Dr. 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.

Martin Hirsch

Co-founder & Chief Scientific Advisor

Dr. Martin Hirsch

Co-founder & Chief Scientific Advisor

Dr. 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 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 (EMBL, Heidelberg) he started the Screening Center at Karlsruhe Institute of Technology, then his first company (automated microscopy and data processing). He guides our teams to optimize 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 then 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 over 25 years of 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 led 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.”

Marvin Rottenberg

Vice President of Marketing

Marvin Rottenberg

Vice President of Marketing

Marvin Rottenberg

Before Ada, Marvin worked at Google and specialized in performance & 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. “Three billion 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 is responsible for our core technology division that provides Ada's medical intelligence. Born in Poland but raised in Germany, Ewe studied medicine at Charité Universitätsmedizin Berlin, with a clinical interest in pediatrics, especially emergency and preventative care. Alongside her work at Ada, Ewelina is completing a doctorate in pediatric rheumatology. "I help our teams build the best artificial medical intelligence in the world.“

Henry Hoffmann

Director of Research

Henry Hoffmann

Director of Research

Henry Hoffmann

Henry spearheaded the development of Ada’s core technology, developing AI algorithms, proprietary modeling languages, and novel approaches to knowledge representation. As Director of Ada’s Research Team, he leads the development of Ada’s future technology. “For me, it is 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. 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 Master of Global Affairs from New York University. At Ada, Bethany oversees the company’s communications and PR initiatives.

Hila Azadzoy

Managing Director, Global Health Initiative

Hila Azadzoy

Managing Director, Global Health Initiative

Hila Azadzoy

Hila leads our Global Health Initiative 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. She is a Digital Female Leader Award recipient, an MIT Solve Member, and a talented public speaker (TEDx, Clinton Global Initiative, UNESCO NGO Forum). “I am dedicated to using technology for social good.”