Management Team
Javan Esfandiari
President & CSTO
Javan Esfandiari joined Chembio Diagnostic Systems, Inc. in February 2000, and serves as President of Chembio Diagnostic Biosynex Group since February 2024…
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Javan Esfandiari joined Chembio Diagnostic Systems, Inc. in February 2000, and serves as President of Chembio Diagnostic Biosynex Group since February 2024. Mr. Esfandiari has over 30 years of experience in Research and Development, Innovation, Strategic Global Technology Transfer, and Marketing and he has a proven track record within Rapid Point-Of-Care Diagnostic.
He has served as Chief Science and Technology Officer until January of 2024. Before joining the company, he co-founded Sinovus Biotech AB, a Swedish Biotech company, where he served as Director of R&D until Chembio acquired Sinovus. He previously served as Director of R&D for On-Site Biotech, a joint venture veterinary company with the Swedish National Veterinary Institute.
Mr. Esfandiari has over 20 US and international patents in his name and is the inventor of Chembio’s patented Dual Path Platform (DPP®) Technology and has developed more than 30 Rapid Point-Of-Care Diagnostic products in the Human and Veterinary fields. Mr. Esfandiari received a B.Sc. in Clinical Chemistry and completed courses at M. Sc. in Molecular Biology from Lund University, Sweden.
Atif Rizvi
Chief Financial Officer
Atif Rizvi Joined Chembio Diagnostic Systems, Inc. in June 2019, and serves as Chief Financial Officer…
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Atif Rizvi Joined Chembio Diagnostic Systems, Inc. in June 2019, and serves as Chief Financial Officer. Prior to joining the company, he worked at L3-Harris Technologies, an aerospace and defense manufacturer/contractor, where he served as Assistant Segment Controller for its Communication & Networked Systems segment. Atif worked at L3 for nearly twelve years and progressed through a range of positions in accounting & finance areas, including Manager-Corporate Controller’s Group, Financial Planning & Analysis (FP&A) Manager-Aircraft Sector, and Senior Auditor-Internal Audit. Throughout these roles, he addressed a diverse range of GAAP, internal control (including Sarbanes Oxley testing), and reporting issues. He has also developed revenue forecasts, annual operating budgets, and managed costs in partnership with engineering and R&D teams on long-term contracts. Atif is a licensed CPA in New York State and received his B.S-Accounting degree from the City University of New York.
Tom Ippolito
Vice President,
Quality and Regulatory Affairs
Tom Ippolito joined Chembio Diagnostic Systems, Inc. in June 2005, and serves as Vice President, Quality and Regulatory Affairs…
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Tom Ippolito joined Chembio Diagnostic Systems, Inc. in June 2005, and serves as Vice President, Quality and Regulatory Affairs. Prior to joining the company, Mr. Ippolito served as Vice President, Regulatory and Quality at Biospecifics Technologies. He previously held a number of positions with United Biomedical, Biospecifics, Merck, Rhone Merieux, Organon Teknika, Analytab Products Inc., and Olympus. Mr. Ippolito holds the position of Course Director of the Fundamentals of Bioscience Program at the State University of Stony Brook and is the instructor for clinical development and regulatory affairs.
Susan Ward
Senior Director of Marketing
and Commercial Strategy
Susan Ward serves as Senior Director of Marketing and Commercial Strategy for Biosynex USA, where she leads commercial strategy…
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Susan Ward serves as Senior Director of Marketing and Commercial Strategy for Biosynex USA, where she leads commercial strategy and marketing initiatives across Chembio Diagnostics, Qualigen Diagnostics, and ProciseDx. She is responsible for driving business growth, market development, portfolio strategy, and alignment across product, marketing, and sales organizations.
Susan brings more than 30 years of experience in the healthcare and diagnostics industry, with expertise spanning research and development, product management, market access, commercialization, and commercial leadership. Her experience includes infectious disease diagnostics, point-of-care testing, therapeutic drug monitoring, and specialty diagnostic solutions.
Prior to joining Chembio in 2025, Susan held leadership roles supporting the development, commercialization, and global expansion of innovative diagnostic technologies. Her unique combination of scientific, product, and commercial expertise enables her to bridge innovation and execution, helping organizations accelerate growth and deliver value to customers worldwide.
Benedict Abugan
Site Leader, Vice President
Benedict Abugan joined Qualigen in 2000 and serves as Site Leader – Vice President, Head of Diagnostics, and Corporate Communications….
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Benedict Abugan joined Qualigen in 2000 and serves as Site Leader – Vice President, Head of Diagnostics, and Corporate Communications. Mr. Abugan first joined Qualigen as a scientist, playing pivotal roles in the feasibility, development, and successful commercialization of multiple Qualigen products. His diverse leadership experience spans investor relations, marketing, customer service, technical support, immunoassay development, and manufacturing. Before Qualigen, he held positions at renowned biotech companies, including Biosite Diagnostics, Acon Laboratories, and Scantibodies Laboratories. Mr. Abugan earned a B.S. in Molecular Biology from the University of California, San Diego.
Joanny DeVargas
Human Resources Manager
Joanny DeVargas joined Chembio Diagnostic Systems, Inc in May 2024 as the Human Resource Manager. With over a decade of experience in HR….
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Joanny DeVargas joined Chembio Diagnostic Systems, Inc in May 2024 as the Human Resource Manager. With over a decade of experience in Human Resources, Joanny combines a dynamic set of skills with a passion for creating inclusive work environments. Fluent in English and Spanish, Joanny possesses a strong background in employee relations, recruitment, training, and compliance.
Dedicated to enhancing employee experiences and contributing to organizational success, Joanny has effectively supported diverse teams, promoting fair treatment and a sense of belonging for all staff members.
Joanny has a deep understanding of the complexities and opportunities within HR management, especially in the manufacturing sector, and has successfully built strong relationships with employees and stakeholders to enhance engagement, productivity, and retention.
