About Vibrant

Company overview
The body’s natural intelligence, in the palm of your hands

Who we are

Vibrant pioneered the Self- Activation Solution™, an innovative non-drug system for chronic constipation.
The orally administered capsule synchronizes the Biological Clock-Bowel connection, enabling an effective treatment, predictable bowel movements, and improved quality of life.
The treatment includes an app helping patients monitor their progress and enables physician to remotely monitor the treatment for optimal results.

Activate. Reset. Live life to the fullest.
Lead Investors

Management Team

Lior Ben-Tsur


Lior is a seasoned executive with vast key leadership experience at various high-tech and medical device firms, including ESI (a subsidiary of Formula Group), and Nutrinia. Lior holds a BA in Urban Design & Political Science from Haifa University, as well as an MBA from Derby University.

Martha Bezalel


Dr. Bezalel brings a wealth of knowledge to the Vibrant team, with hands-on experience in conducting clinical studies and innovative R&D projects on a global scale. Her professional background includes 28 years of experience at TEVA Pharmaceutical Industries as Plant Manager of production plants in Israel and in Europe.

Shai Molnar


Shai brings more than 10 years’ experience in R&D management in the biomedical arena with strong technological capabilities. Shai has led the research and product development teams at various companies including Ion Medical, Ortospace, and Contipi.

Eli Gendler


Eli brings 15 years of experience as CFO in both large and international organizations and start-ups. Previously Eli was the CFO at Vocaltec, Cimastron and IFN Systems Ltd. Eli is a Certified Public Accountant (Israel) with a BA in Accounting and Economics from Tel Aviv University, and an MA in Law from Bar-Ilan University in Israel.

Board of Directors

Yoav Shaked

Chairman. Sequoia

Yoav joined Sequoia Capital in 2011, focusing on healthcare and medical device companies in Israel. Prior to joining Sequoia Capital, Yoav worked with XTechnologies (Sold to Guidant), YMed ( Sold to CR Bard), Director at Endospan, Orasis Pharmaceuticals, G&G (Merged with Polytech) , Dario Health (Listed – DRIO). Yoav graduated from The Hebrew University of Jerusalem and holds a BA in Biology.

Carey Smith

Unorthodox Ventures

Career entrepreneur Carey Smith founded Big Ass Fans in 1999, bootstrapping the fan and light maker to nearly $300 million in sales and more than a thousand employees. Ready for a new challenge, he sold the company in 2017 for $500 million then founded Unorthodox Ventures, his Austin-based investment company that helps small companies with big potential create enduring, endearing brands. Learn more at unorthodoxventures.com.

Doron Birger

A distinguished veteran of the Israeli MedTech industry, Doron is known for his brilliant growth strategies, taking private entities to publicly traded companies, including Elron’s $350 million investment in medical devices with 13 exits valued at more than $600 million, and the sale of Given Imaging valued at $1 billion. He is currently an active chairperson for several technology companies. Doron has a Bachelor of Arts and a Masters Degree in Economics from the Hebrew University, Jerusalem.

Scientific Consultants

Vibrant Ltd.’s Scientific Advisory Board is led by U.S. Thought Leaders (KOLs) in Gastroenterology Harvard
University, Houston University, Augusta University and Michigan University.

Dr. Eamonn Quigley M.D

Houston Methodist hospital

VP of the American College of Gastroenterology and a past Editor-in-Chief of the American Journal of Gastroenterology; published over 500 articles and 6 books and monographs; received a variety of honors and awards from medical and gastroenterological societies and universities throughout the world.

Dr. Satish Rao M.D

Augusta University

Dr. Rao is a Digestive Health Expert, and helped launch the Augusta University Digestive Health Center. He is one of a rare breed of academics who has excelled as an outstanding researcher, distinguished educator and as a Master Clinician. Dr. Rao’s research focuses on the pathophysiology and treatment of IBS, constipation and fecal incontinence and visceral pain, particularly esophageal chest pain.

Dr. Anthony J. Lembo M.D

Harvard Medical

Associate Professor of Medicine at Harvard Medical School and Gastrenterologist in practice for more than 20 years, Dr Lembo’s area of work focuses on motility disorders, IBS, swallowing issues, endoscopy, colon cancer screening and GERD. Dr. Lembo collaborates with several hospitals in Boston including Beth Israel Deaconess Medical Center, and is a member of both the American Board of Internal Medicine and the American Board of Internal Medicine (Gastroenterology).

Dr. William Chey M.D

Michigan University

Professor of Gastroenterology Michigan Medicine Ann Arbor. Research focus on the diagnosis & treatment of functional bowel disorders and H. pylori infection. He is a medical innovator and holds several patents. Former co-Editor-in-Chief of the American Journal of Gastroenterology and has authored more than 350 manuscripts.

Yafit Stark

Global Clinical Development Advisor; 28 years of Industrial experience in Teva in R&D; in charge of the clinical development strategy and implementation of new methodologies; director of several associations for patient welfare; serves on the Board of Directors of Israeli-based biotech companies.