Our Team

Rachel Kuperman, MD, Founder & CEO


  Neurologist with dual certification in epilepsy and neurology with over 10 years’ experience directing the clinical epilepsy and research programs at UCSF Benioff Children’s Hospital, Oakland

Jit Sarkar, Co-Founder and CTO


 Leads the algorithm development for Eysz solution. He completed his undergraduate degree in computer science and has deep experience applying machine learning methods. His PhD from UCSD focused on extracting signals from a complex medium.

Parth Amin, Co-Founder and Chief Commercial Officer


 Experienced clinical device development and go-to-market strategist with 15+ years of global medical device and partnership experience. Currently develops and manages our partner ecosystem. 

Nicolle Napier - Ionascu Chief Neuropsychologist


Leads the Eysz cognitive research team. Practicing neuropsychology for over 12 years primarily in the Bay Area. She is also the head Neuropsychologist in the Epilepsy department at UCSF Benioff Children’s Hospital Oakland

Our Advisors

Robert Fisher, MD Scientific Advisor


 Dr. Fisher is Maslah Saul MD Professor and Director of the Stanford Epilepsy Center.   He had research awards from the Klingenstein Foundation, EF, CURE and  NIH. He published 160 peer-reviewed articles and 4 books. He was named  1996-2016 in Best Doctors in America.  He received the Ambassador Award  from the International League Against Epilepsy, the 2005 AES Service  Award and the 2006 Annual Clinical Research Award. 

Hal Blumenfeld, MD Scientific Advisor


 Dr. Blumenfeld's clinical and research work focuses on epilepsy,  cognition and brain imaging. He directs Yale's Clinical Neuroscience  Imaging Center (CNIC), a new multi-disciplinary core facility for  innovative study and treatment of brain disorders. Teaching activities  include a textbook titled Neuroanatomy Through Clinical Cases, Sinauer  Assoc., Publ. 2002, 2010. 

Peter Milford, PhD Technical Advisor


 Dr. Milford has over 15 years experience in developing high technology instrumentation. He was CTO of Eyefluence, which was developing the next generation eye-tracking wearable technology,  up until October 2016, when purchased by Google. He  continued to develop eye interaction and eye tracking for augmented reality (AR) and virtual reality (VR) headsets.  He now serves as the President of Parallel Rules consulting firm.  

Steve Duddy Business Advisor


 Steve brings 30+ years of leadership and strategy experience in the Medical Device industry.  He has held a variety of leadership roles in various cross functional areas.  Most recently, he is serving as the President and Chairman of Nuvolase Inc., which has developed the gold standard for Onychomycosis.  Under his leadership, the company has grown in revenues, remained debt-free, and has expanded into new markets. 

Board of Directors

Randy Berholtz JD, MBA


Randy leverages his corporate experience, where he has held roles as a corporate and business development executive and as general counsel, to help nurture over 25 startups in healthcare from funding, to serving as a board of director to corporate and business development and strategic initiatives.  He currently services as a Partner for Ventac Partners and a Senior Advisor for Mesa Partners.  He is also a parent of a child with epilepsy.