Our Mission

Our mission is to enable novel biological insights at the single-cell level for improved diagnosis and treatment of disease.

Our Team

Advisory Board

Euan Ashley, MD PHD 

Scientific Co-Founder

Catherine Blish, MD PHD 

Scientific Advisor

Christina Curtis, PhD 

Scientific Advisor

Tom Schoenherr 


Ronald J. Wapner, MD 

Scientific Advisor

Behzad Nasre 




Join our team

We’re looking for passionate, creative, and dedicated people to join our team and help us make a difference in cell biology and translational research.

Maddison Masaeli, PhD

CEO & Co-Founder

Maddison is a strong believer in the power of engineering to advance the world of life sciences and to accelerate biological discovery. She invented Deepcell’s AI-based single-cell analysis and sorting technology with her postdoctoral advisor Euan Ashley and Mahyar Salek, and spun the company out of Stanford University in 2017. Originally from Tehran, Iran, she has a multidisciplinary background with experience in electrical engineering, computer science, and bioengineering. Maddison holds a bachelor’s degree in electrical engineering from Sharif University of Technology, as well as a master’s degree in computer science and a PhD in bioengineering from the University of California, Los Angeles. She has published several papers in top-tier journals and has co-invented multiple patented technologies.

Marc Montserrat

Chief Business Officer

Marc is passionate about bringing cutting-edge technology to market to improve people’s lives, and he has extensive leadership experience with successful therapeutics, diagnostics, and life science companies. He has built and led global teams in marketing, sales, product life cycle management, product strategy, program management and business development. Before joining Deepcell, Marc was VP of Commercial Development at Omniome, where he built and led the business development, marketing and service & support teams. Previously, he was International Business Leader for NIPT at Roche Diagnostics, where he helped scale the business from a startup at Ariosa Diagnostics to the sale and integration within Roche. Marc graduated with honors from the Wharton School with an MBA and from the Universitat Politècnica de Catalunya with a master’s degree in industrial engineering.

Thomas J. Musci, MD

Chief Medical Officer

Tom is a board-certified physician-scientist in medical genetics, obstetrics/gynecology, and maternal-fetal medicine. Prior to joining Deepcell, he served as Chief Medical Officer and Vice President of Clinical Development and Medical Affairs at Ariosa Diagnostics, a molecular diagnostics testing service provider of non-invasive prenatal testing using cell-free DNA technology, and continued in that role at Roche Diagnostics after the acquisition of Ariosa. He earlier directed Clinical Affairs at Novartis Diagnostics. Tom spent 22 years as a faculty member at the University of California, San Francisco. He holds a medical degree from Georgetown University School of Medicine and completed his residency and fellowships at UCSF. He has served as chair of national policy committees and has led landmark international studies on genetics and fetal/prenatal medicine.

Matt Posard

Chief Strategist

Mahyar Salek, PhD

President, CTO & Co-Founder

Throughout his career, Mahyar has focused on the development of AI-driven products. Prior to founding Deepcell, he was the lead product manager at Google for offline measurements, which grew to multi-billion dollar revenue during his tenure. He also co-founded and developed Emotiful, one of the earliest apps to use deep learning which ranked at the top of several app stores and app data platforms. Mahyar completed his postdoctoral studies at Microsoft Research Cambridge. He holds a bachelor’s degree in computer engineering from Sharif University of Technology and a PhD in computer science with a focus on algorithms from the University of Southern California. In addition to being a published author and patent inventor, Mahyar has been recognized with awards from the USC Annenberg Graduate Fellowship Program, Center for Applied Mathematics, and Google Area 120.