Meet Our Team
Gist’s executive team has extensive experience leading private and public health-tech companies with a strong focus on personalized medicine. The team is supported by a multidisciplinary group of top experts in medicine, artificial intelligence and machine learning, health policy, animation and visual communication, anthropology, and psychology.
Executive Leadership
Dan Rolls
Founder & CEO
Dan is a serial entrepreneur driven by a passion for developing digital health products, with a focus on patient engagement and improving the care experience.
Prof. Ori Rogowski
Co-founder & Chief Medical Officer
Director, Internal Medicine, Tel Aviv Medical Center and founder of leading BioTech compaines.
BenAmi Goldenberg
Co-founder & Chief Technology Officer
Tech entrepreneur and AI innovator with 20+ years of experience in software engineering, product strategy, and startup leadership.
Orit Rozenblum
VP, Operations
Orit brings over 20 years of experience building sales and operations for startups and holds an MBA from MIT Sloan. She leads revenue growth and strategic partnerships at GistMD.
Elinor Karni
VP, Product & Design
With over 20 years of expertise in developing digital identities, products, and creating unique digital experiences, Elinor leads product design at GistMD.
Ronen Zhurat
Head of Production
Experienced Owner with a demonstrated history of working in the animation industry.
Daniella Benaim
Head of Communications & Community
Daniella leads GistMD's social media presence and communication strategy, fostering community engagement and supporting our mission.
Board & Strategic Advisory
Dr. Ilan Cohn
Co-founder & Chairman of the Board
Dr. Cohn leverages his extensive experience in founding and developing healthcare companies and building intellectual property assets to guide GistMD's innovation and strategic growth.
Zvi Zahavi, MD
Board Member & Strategic Advisor, Digital Health
Dr. Zahavi brings extensive experience in digital health entrepreneurship, improving communication between caregivers, healthcare organizations, and market expansion.
Prof. Ian Gralnek
Chief Medical Advisor –
GI Clinical Strategy & Market Development
Professor Gralnek, a globally recognized GI authority and past-President of the ESGE, brings over 350 peer-reviewed works to lead our evidence-based clinical strategy and market expansion.
Medical Advisory Board
Prof. Idit Matot
Chief Medical Advisor – Anesthesiology
A President of the European Society of Anesthesiology & Intensive Care, she brings extensive expertise and leadership to the forefront of the anesthesiology and intensive care across Europe.
Dr. Alan Epstein
Executive Medical Advisor – Gastroenterology
Former GI Director at Roger Williams Medical Center, leading clinical innovation and research excellence in digestive health.
Prof. Shmuel Banai
Chief Medical Advisor – Cardiology
Director, Cardiology Division, Tel Aviv Medical Center.
Prof. Anat Loewenstein
Chief Medical Advisor – Ophthalmology
Director, Ophthalmology Department, Tel Aviv Medical Center; President, Israel Ophthalmology Society; World-Renowned Ophthalmologist.
Prof. Zvi Grunwald
Strategic Advisor, Perioperative Care
The James D. Wentzler Professor and emeritus chair of anesthesiology at Sidney Kimmel Medical College. Thomas Jefferson University.
Prof. Yariv Yogev
Chief Medical Advisor – Obstetrics & Gynecology
Director, Lis Maternity and Women's Hospital, Tel Aviv Medical Center.
Prof. Zaza Iakobishvili
Chief Medical Advisor – Cardiovascular Medicine
Tech entrepreneur and AI innovator with 20+ years of experience in software engineering, product strategy, and startup leadership.
Orit Neudorfer, MD
Medical Advisor & Head of Research
Medical Advisor & Head of Research
Prof. Maayan Konigstein
Medical Advisor – Interventional Cardiology
Head of the cardiac, Tel Aviv Medical Center
Prof. Ofer Havakuk
Medical Advisor – Heart Failure & Cardiology
Prof. Havakuk leads development of GistMD’s heart failure program
Bat Zion Shachar, MD
Chief Medical Advisor – Cardiovascular Medicine
Attending, Gynecology and Obstetrics, Maccabi Healthcare Services
Isaac Brzezinski Sinai, MD
Medical Advisor & Head of Research
Anesthesia Department Resident, Tel Aviv Medical Center
Human-Centric Design Advisors
Demetria Bolden, PhD
Advisor, Health Equity & Inclusion
Dr. Bolden leverages her expertise in health equity research to enhance patient empowerment by addressing disparities in healthcare access and outcomes.
Daniel Nave, PhD
Advisor, Medical Anthropology & Patient Consciousness
Daniel enhances engagement strategies by incorporating cultural insights and an appreciation for patient consciousness.
Nehama Karpol Burak
Advisor, Patient Psychology & Behavioral Health
Nehama enhances patient engagement through her expertise in human behavior, emotions, providing personalized and empathetic care.