Meet the team


Josh, CEO of Day Three Labs, has been in the cannabis industry since 2017, where he worked as a consultant analyzing trends and managing product development projects. He has a background in political and non-profit fundraising in the US, including experience at AIPAC. Josh has an MBA in marketing from Johns Hopkins University, an MA in government from Reichman University, and a BA in psychology and philosophy from Queens College. He speaks fluent Hebrew and has lived in Israel for five years.


Co-Founder & CEO

Rafi, co-founder of Day Three Labs, has been managing large and small-scale cannabis R&D projects since 2015, with a focus on medical, cosmetic, wellness, and animal health products. He has also been involved in research, product development, clinical studies, investments, and joint ventures in the cannabis industry. Prior to this, Rafi worked as a corporate attorney focusing on M&A and strategic corporate development. He has a B.ed. from Herzog College of Education, an MA from Yeshiva University, and an LL.B. from the Hebrew University.


Co-Founder | Chief Business Officer

Dr. Lecht, Chief Innovation Officer at Day Three Labs, is an experienced drug development leader with a focus on cannabinoid-based products. He has worked on multiple cannabis and botanical drug development projects and has expertise in pre-clinical R&D from early discovery to clinical trials. Shimon completed post-doctoral training in Regenerative Medicine at Temple University and has an MSc and a PhD in Pharmacology from the Hebrew University. He is a licensed pharmacist in Israel and has published numerous peer-reviewed publications and presented at international conferences.


Chief Innovation Officer

Dr. Riggle, Chief Manufacturing Officer at Day Three Labs, is an analytical chemist focused on bringing scientific integrity, standards, and transparency to the cannabis industry. He specializes in cannabinoid-based research, including analytics and novel formulations. Dr. Riggle has developed over 10 cannabis consumer products, directed clinical trials, and reformulated products to remove potentially harmful ingredients. He has a Ph.D. in Analytical Chemistry from the University of Idaho and has spoken at cannabis conferences globally.


Chief Manufacturing Officer

Naama is a marketing expert with over a decade of experience building brand awareness for leading firms. Her integrated marketing campaigns showcase her skills in storytelling and content creation, promoting inclusivity and public relations. Naama's expertise ranges from conceptualizing brand identity to website development and social media presence, consistently setting industry standards. She holds an MA from Reichman University in Government, Diplomacy, and Conflict Studies, as well as a BA from Tel Aviv University in Political Science and Communications.


Director, Branding & Marketing

Daniel entered the cannabis industry in 2015, spending time in Israel learning about cannabis innovation and technology. In 2017 Daniel launched Headquarters, focusing on driving innovation and optimizing brand strategies in California - helping brands develop go to market strategies and product development. In 2019, Daniel co-founded California's first cannabis beverage distribution company. Daniel has a background in exploration and mining of minerals in Africa and South America and holds a BA in Political Science from California State University Northridge.


Director of Business Development

Nechama is a skilled pharmaceutical research scientist with 18+ years of experience. She specializes in developing innovative products to improve wound healing and combat inflammation. Nechama earned her MSc and BSc from McGill University, focusing on immunology, genetics, and biochemistry.

Nechama Koren

Project Manager

Aliza is an experienced analytical chemist with 25+ years of experience in pharmaceutical QC and R&D. At DTL, she develops and implements advanced analytical analysis for novel form-factors through method development, utilizing analytical equipment. Aliza has worked at various global pharmaceutical companies under GMP requirements to ensure compliance with FDA guidelines and regulations.

Aliza Nachmani

Analytical Chemist

Tatiana is an accomplished researcher with over eight years of wide-ranging experience in biochemistry, biotechnology, and analytical chemistry. She recently joined DTL to lead a new product development project. She holds a Masters in Chemistry and is at the final stage of defending her Ph.D. in Chemistry from Ben Gurion University.

Tatiana Zvagelski

Project Manager​

Yasmeen is a highly skilled pharmaceutical engineer who constantly strives for excellence, contributing to the progress and success of projects she is involved in. Yasmeen joined DTL after graduating with a BSc in Pharmaceutical Engineering from Azrieli College in Jerusalem, Israel.

Yasmeen Zahran

Laboratory Technician

David is an experienced Biotechnology and Chemical Engineer with expertise in Analytical Chemistry. With over two decades of experience in the biotech and pharmaceutical industries, he has led drug development, biotechnology processes, and analytical method development. He has also served as a Senior Chemist and Safety Officer at Izun Pharmaceuticals Corp. for 15 years, focusing on botanical extraction and method development under ICH and ISO requirements. David holds an M.Sc. in Technology Management from the Hebrew University in Jerusalem and is a licensed Biotechnology and Chemical Engineer from Ariel University.

David Zaoui

Senior Analytical Chemist


Project Manager​

Scroll to Top