Interactive Product Demo

Spectrum Dynamics Medical Ignites New Era in Digital SPECT/CT with All-Energy Enhancement to FDA-Cleared, CE-Marked VERITON-CT 400 Series

Groundbreaking product improvement brings innovative end-to-end detection and processing platform while maintaining the simplicity of a single collimator design. Initial customer experience is now complete at Florida Theranostics in partnership with Dr. Ashok Muthu Krishnan. Early clinical work spanned radioisotopes across the energy spectrum, including technetium-99m, iodine-123, whole-body iodine-131, and lutetium-177 imaging. MORGES, Switzerland, July 20, […]

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Esha Bandyopadhyay

General Counsel and Corporate Secretary Board

Esha Bandyopadhyay serves as Spectrum Dynamics Medical’s General Counsel and Corporate Secretary of the Board. In this role, she leads all of the company’s legal and compliance functions.

She brings to Spectrum a quarter century of legal experience with a particular focus on the medical device industry. Prior to joining Spectrum, Esha was a partner at several distinguished law firms, including Fish & Richardson, Winston & Strawn, and Kirkland & Ellis.

Esha holds a JD from U.C. Berkeley School of Law, and a BA in Economics from the University of California, San Diego, where – at 18 – she was the youngest graduate in the university’s history.

Xin Ma

Head of China Operations

Xin serves as Shanghai Guangmai (SD’s China Division) CEO since 2021.

Before joining the company, Xin served as CEO at Foze Medical Technology Limited and CEO at Shanghai Hi-tech Medical Technology limited for over 12 years.

Xin graduated from Kellogg School of management with MBA degree and from London School of Economics with MSc in Information Technology.

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Shlomi Aloya

VP of Customer Support

Shlomi Aloya  is responsible for leading the global customer support organization of Spectrum Dynamics Medical. 

Shlomi has a vast service, operation and R&D experience of over 22 years in leading technical teams for capital equipment companies. 

Shlomi holds BA Executives degree  Business Administration and a M.A. Decision making & Negotiation

Ruthie Ben-kish

VP of Research & Development and Program Management Officer

Ruthie Ben–Kish serves as the director of software development and manages the main products development programs in Spectrum Dynamics Medical. 

Ruthie joined the company as software department manager and was then promoted to Director of Software development before assuming her current role. Ruthie brings to Spectrum Dynamics Medical over 25 years of experience in development of medical imaging and diagnostic systems of multiple modalities. 

Ruthie holds a BSc degree in Electrical Engineering and a MSc degree in Biomedical Engineering from the Technion Institute of Technology.

Dalia Shiti

VP of Clinical Applications

Dalia Shiti serves as Spectrum Dynamics Medical Vice President of clinical applications being responsible for the applications training of the company’s customers worldwide. 

In her previous roles in the company Dalia served as clinical applications specialist and clinical application manager.   

Before joining the company Dalia served as leading technician in Bnai Zion Medical Center, Israel.

Nilda Rivera

Senior Director of Product Marketing

Nilda Rivera is responsible for the worldwide marketing activities of Spectrum Dynamics Medical including trade shows, advertisement, web and social media, products definition, sales tool development etc. 

Prior to joining the company Nilda worked at GE for many years and held various senior nuclear medicine and PET sales and marketing roles. Before joining GE Nilda worked as staff nuclear medicine technologist / clinical instructor University of Miami Jackson Memorial Hospital. 

Nilda holds a BSc degree in Biology/Chemistry from the University of Miami and is also nuclear medicine technologist.

Ayelet Dekel

VP of Human Resources

Ayelet Dekel serves as Spectrum Dynamics Medical Vice President of human resources, being responsible for the global people operations. 

Ayelet joined the company as supply chain manager later becoming VP of Operations and HR manager before assuming her current role in the company. 

Ayelet brings to Spectrum Dynamics 20 years of experience in the global operations and human resources management. 

Ayelet holds a BSc degree in industrial engineering and an Advanced Certificate Studies in Human Resources from Bar Ilan University. 

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Igor Naroditsky

VP of RA & QA

Igor Naroditsky is responsible for the Regulatory Affairs and Quality Assurance of Spectrum Dynamics Medical. 

Igor brings over 20 years of solid quality, regulatory and engineering experience in the healthcare and capital equipment industry. Prior to joining Spectrum Dynamics, Igor served as Vice President of Quality and Regulatory at KarmelSonix (ASX: KSI), an Australian healthcare company. Before that, he served for 10 years as Director of Global Quality Assurance and Regulatory Affairs at Camtek (NYSE: CAMT).  

Igor holds a BSc degree in Industrial Engineering from Ben Gurion University and a MSc degree in System Engineering and Management from the Technion Institute of Technology and is a Certified Quality Engineer. 

Amir Stadtmauer

VP of Operations

Amir Stadtmauer is responsible for leading the global operations activities of Spectrum Dynamics Medical, which includes manufacturing, sourcing, logistics, information system and engineering.  

Amir has a vast supply chain experience of over 22 years in leading operation teams of capital equipment companies. 

Amir holds an MSc degree in Industrial Engineering and Management from Tel-Aviv University.

Tomer Gabay

Chief Executive Officer

Tomer Gabay serves as Spectrum Dynamics Medical’s CEO, being responsible for setting the company’s vision and strategy, leading the executive team and other senior management, balancing short-term and long-term goals, and driving growth by exploring new business models, markets, and products.

Before assuming the role of CEO, Tomer served as the company’s CFO.

Before joining the company, Tomer served as an audit manager of public and private companies in various industries at PwC Israel.

Tomer brings over 15 years of experience holding leadership roles in finance, business and operations in global organizations, as well as startups, including business planning, budgeting, forecasting, negotiations, due-diligence and fundraising. Tomer holds a BA in Economics and Accounting, and is a certified public accountant.

Nathaniel Roth

Chief R&D and Clinical Research Officer

Nathaniel Roth serves as Spectrum Dynamics Medical Vice President of research and development where he oversees and leads the development of the company’s products, clinical research and innovative technologies. 

Nathaniel joined the company as physicist later taking roles of Chief Physicist, Chief Physicist and Clinical Research Director, R&D manager before assuming his current role. 

Prior to joining the company, Nathaniel served as physicist for EADS, a military field company.  

Nathaniel holds a MSc degree in physics from University of Nice, France with additional post graduate degree in optics from the University of Saint Etienne.

Jim Haisler

Strategic Advisor

Jim Haisler has been an integral part of Spectrum Dynamics Medical for close to two decades, previously serving as the company’s chief executive officer, and later leading the company’s global commercial operations, and holding responsibility for sales and marketing of the company’s product portfolio. As of 2026, Jim serves as a Strategic Advisor to the company, continuing to share his extensive experience in general management, sales and marketing in the field of medical diagnostic imaging and therapy.

Prior to joining the company, Jim held executive level management positions with Philips Medical Systems, PhyMatrix Diagnostic Imaging, Dornier Medical Systems, N.A. and ADAC Laboratories.

Jim has an educational background in X-ray and Nuclear Medicine Technology and holds an MBA from Pepperdine University.

Yoel Zilberstien

Founder

Yoel Zilberstien is the founder of Spectrum Dynamics Medical. 

Yoel started his career as mechanical engineer in Elscint in the nuclear medicine division where he developed many of the technologies that have become standard within the SPECT industry. This division was later bought by GE. After leaving Elscint Yoel joined Biosense who focused on Electro-Physiology where he co-invented an endo-vascular GPS guidance system today known as the Carto system. Biosense was later bought by Johnson & Johnson.  

In 2000 Yoel founded the Spectrum Dynamics Medical with the vision of transforming the slow and unclear analog nuclear imaging technology to clear, digital and almost online imaging. Thereby providing the platforms for innovative clinical imaging therapy guiding applications. 

Yoel holds BSc degree in mechanical engineering from the Technion Institute of Technology. 

Gilad Yoeli

Chief Executive Officer

Gilad serves as Spectrum Dynamics Medical CEO since 2019. 

Before assuming the role of CEO Gilad served as the company CFO and chief operations officer of the company 

Before joining the company Gilad served as Chief Financial Officer at CoreFlow, and Senior Manager at Ernst & Young.  

Gilad graduated the University of Haifa with a BA degree in Economics and has spent his career in roles of increasing responsibility giving him a great range of exposure and leadership in business planning, medical devices, entrepreneurship, venture capital, and biotechnology.