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 Our Team

Meet the talented individuals who make up the Tenasors Medical team. Each member brings unique skills and expertise to help us revolutionize the healthcare industry.

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Sigal Avraham

 CEO & COO, CO-FOUNDER

Sigal is an accomplished entrepreneur and visionary leader, bringing over 20 years of extensive experience in the gastrointestinal medical device sector. Throughout her career, she has been instrumental in driving innovation and strategic growth, notably leading an Israeli gastro medical startup through a major global transformation into a US-based public company, culminating in a successful Nasdaq IPO. Her expertise encompasses comprehensive operations management, engineering leadership, patent portfolio strategy, and strict compliance with FDA regulations and ISO standards. Additionally, her robust financial stewardship and strategic planning have played a pivotal role in securing capital and managing complex corporate budgets. Holding both a Master of Public Administration (M.P.A.) and a Master of Business Administration (M.B.A.), Sigal seamlessly combines advanced business acumen with deep industry foresight, positioning Tenasors Medical for market leadership and long-term sustainable growth in the GI endoscopy field.

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Sandra Perel Haytov

 CFO& CMO, CO-FOUNDER

Sandra is an accomplished leader, bringing over 20 years of extensive experience in global operations, finance, and international distribution networks. Throughout her career, she has been instrumental in driving business growth, optimizing complex supply chains, and executing strategic financial planning across international markets. Her expertise encompasses comprehensive operational management, cross-border logistics, product marketing, and financial stewardship, ensuring strict compliance and high standards of execution. Holding a degree in Mechanical Engineering, Sandra seamlessly combines her technical background with commercial foresight, positioning Tenasors Medical for long-term sustainable growth and operational excellence in the medical device industry.

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Marcos Wainstein

     Site Manager, Brazil

​Marcos is a seasoned executive, bringing over 40 years of extensive experience in international engineering, software integration, and enterprise system deployments. Throughout his career, he has been instrumental in bridging operational excellence with strategic expansion, leading complex technology initiatives, and driving large-scale project execution across South America. His expertise encompasses robust technical integration, ERP systems management, cross-functional project delivery, and local market navigation, ensuring operational precision and strict compliance with global industry standards. Holding a Bachelor of Science (B.Sc.) in Electrical and Electronic Engineering from the Federal University of Rio Grande do Sul (UFRGS), Marcos seamlessly combines his deep technical foundation with commercial leadership, positioning Tenasors Medical for sustainable growth and a powerful presence in Brazil’s dynamic healthcare sector.

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 Nir Nierenberg 

          R&D Manager

Nir has extensive experience in both startups and small to medium-sized enterprises (SMEs), where he excels at combining agility with hands-on problem-solving skills in fast-paced development environments. He is a recognized expert in prototype development, proof of concept, software algorithms, and lab trials, making him a valuable asset to any team.

With a Bachelor of Science in Electrical and Electronics Engineering, Nir possesses a solid technical foundation that supports his innovative contributions. His knowledge of ISO 13485 standards ensures quality and compliance in all his projects. 
 

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Orit Ianco

  Director Clinical Research              & QA & RA

Orit brings extensive experience in global clinical trials, regulatory affairs, and quality assurance to Tenasors. With deep expertise in FDA submissions, ISO 13485 standards, and CE Mark processes, she is adept at navigating the complex healthcare regulatory landscape.

Her comprehensive background enables her to effectively manage the challenges associated with clinical trial protocols and regulatory compliance, ensuring that products consistently meet rigorous international standards. Orit holds a Master of Science in Drug Regulatory Affairs and a Master in Public Health, providing her with a strong understanding of both the scientific and regulatory aspects crucial for success in the industry

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            R&D Engineer

Alexander is a seasoned professional with extensive experience in leading New Product Introduction (NPI) processes, including the management of Document History Records (DHR), Design Master Records (DMR), and Design History Files (DHF). He has a proven track record in creating Bills of Materials and writing maintenance instructions, as well as developing test procedures and OQ/IQ protocols for electromechanical test jigs. 

In addition, Alexander is skilled in managing Engineering Change Orders (ECOs), ensuring smooth transitions and updates in product specifications. He has also provided support for clinical trials, maintaining comprehensive documentation for the FATIGUE/AWT lab. 

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