Leadership
Our Leadership Team combines scientific, engineering, and commercial expertise across top technology, healthcare and design organizations.
Core Team Experience: Apple, Sony, Samsung, Microsoft, Cisco Systems, Macromedia, Juniper Networks, J&J, Pfizer, Roche, NASA JPL. Product Launch Experience: Fitbit, 23andMe, Square Terminal, Flip Video, Windows XP, Sony Bravia and more.
Expertise Areas: Wearable biosensing, biomedical research, deep manufacturing, global supply chain operations, and consumer product design and go-to-market strategy.
Sak Narwal
CEO
Sak Narwal is the Founder and CEO of eSensorem and a serial entrepreneur. He leads VANA Health, established Callisto Intelligent Systems (now Beyond Limits), and co-founded ViaSpace Inc., securing major defense contracts for cutting-edge sensor systems. Narwal specializes in launching innovative ventures with expertise in nutraceuticals, AI, and homeland security solutions.
Dr. Yangzhi Zhu
CHIEF SCIENTIST
Dr. Yangzhi Zhu leads eSensorem’s sensor development, pioneering wearable bioelectronics to detect metabolites, electrolytes, and biomarkers. His research has produced innovations in electronic skin, microfluidic biosensors, lab-on-a-chip systems, and smart contact lens technologies. He has published in many of the world’s leading scientific journals, including Nature Biomedical Engineering, Nature Electronics, Nature Communications, Science Advances,and Science Translational Medicine. In recognition of his contributions, Dr. Zhu received the 2024 NARSAD Young Investigator Award, 2025 Biosensors Young Investigator Award and 2026 AHA Career Development Award.
Gregor Berkowitz
CHIEF TECHNOLOGY OFFICER
Gregor Berkowitz brings thirty plus years of Silicon Valley experience in building innovative products and teams. He specializes in AI/ML systems, robotics, and imaging technologies. Berkowitz has contributed to multiple unicorn startups, including Cepheid, Ambarella, and Omnicell, driving advancements in imaging AI, diagnostics, and consumer products.
Dr. Stephen Graham PhD
CHIEF MEDICAL ADVISOR
Dr. Stephen Graham is a pharmacist and epidemiologist who has worked in the Boston med-tech space and has with extensive experience in health system research and development. He pioneered med-tech innovations using volatile organic compounds and COVID-19 pneumonia. Stephen excels in health research and operational leadership. Dr Graham’s PhD focused in Pharmaco Epidemiology from University of Florida.
Penny Wilson
GO TO MARKET STRATEGY
Penny Wilson is a technology executive and strategic advisor with decades of experience leading growth and market expansion across North American and global markets. She brings expertise in go-to-market strategy, commercialization, investor engagement and business scaling. Penny supports eSensorem’s strategy, market development and commercialization efforts.
Tom Gilley
STRATEGIC TECHNOLOGY ADVISOR
Tom Gilley, eSensorem’s Strategic Technology Advisor, is a pioneering CTO and inventor. He contributed to Apple’s foundational innovations and launched ventures acquired by Cisco and IBM. With expertise in AI, healthcare, and cloud platforms, He drives strategic growth and innovation, enabling multi-billion-dollar acquisitions and transformative technology.
Elliott Furman
INTELLECTUAL PROPERTY STRATEGY
Elliot Furman is an IP Strategist, specializing in health tech, AI, and advanced electronics. He secures patents and aligns innovation with business goals, strengthening the company’s market position. Furman’s expertise ensures investor value and competitive advantage in emerging technologies.
Bradley Shende
CHIEF DIGITAL OFFICER
Bradley Shende is an award-winning innovation and storytelling strategist dedicated to making emerging technologies understandable, trustworthy, and relevant. He has designed programs that inspired adoption of transformative technologies, elevated brand trust for Fortune 500 companies, and shaped how millions engage with emerging innovation.
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