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ABOUT US

Spectrum Dynamics Medical

As the inventors of 360° CZT for multi purpose whole body scanning, Spectrum has demonstrated once again its spirit of innovation, agility and execution.​

Our products are key to higher clinical confidence, unlocking future research applications, potentially better and less expensive care to benefit both patients and providers. 

Spectrum Dynamics Medical has offices in Sarasota FL USA, Morges Switzerland, Caesarea Israel, Hong Kong,  Shanghai China and Tokyo Japan.
The company employs more than 230 people worldwide

Management Team

Tomer Gabay

Chief Executive Officer

Yulim Zingerman

Chief Technology Officer

Greg Nieukirch

VP Global Sales

Esha Bandyopadhyay

General Counsel &
Secretary of the Board

Xin Ma

Head of China Operations

Shlomi Aloya

VP Customer Support

Dalia Shiti

VP Clinical Applications

Amir Stadtmauer

VP Operations

Ayelet Dekel

VP Human Resources

Ruthie Ben Kish

VP R&D and Program Management Officer

Rafael Baavour

Director of Physics

Igor Naroditsky

VP QA/RA

Danny Kravtsov

VP IT/IS

Rhona Ukrainsky

Director of Finance

Jim Haisler

Strategic Advisor

Yoel Zilberstein

Founder

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.

Yulim Zingerman

Chief Technology Officer

Yulim Zingerman PhD serves as Spectrum Dynamics Medical’s CTO, being responsible for translating the company’s vision and strategy into solutions, leading the R&D and engineering teams, balancing short-term and long-term goals, and driving growth by exploring new products.

Yulim Zingerman is a seasoned MedTech executive and technology leader with over 25 years of experience translating breakthrough science into real-world clinical solutions. He has held senior leadership roles in global medical device companies and startups, including serving as CTO, where he led R&D and global engineering organizations developing advanced cardiovascular and molecular imaging technologies. Yulim brings a rare combination of deep scientific rigor, product and regulatory expertise, and entrepreneurial mindset, with a proven track record of building high-performing global teams and driving innovation from concept to clinical adoption.

Yulim holds PhD degree in Physics from the Ben-Gurion University of Negev, and Business Management and Bridging from Tel Aviv management college.

Greg Neukirch

VP Global Sales

Gregory Neukirch serves as Spectrum Dynamics Medical’s VP of Global Sales. Greg is a growth-oriented global healthcare executive with expertise in medical technology, commercial transformation, and international expansion. He has developed and led high-performance sales, marketing, and service organizations that consistently delivered accelerated revenue growth, profitability, and market leadership. He built a career through regional, national and global commercial successes resulting from clear strategies, targeted tactical implementations and team inspiration and motivation.

With prior organizations, Greg more than doubled topline revenue by building direct and distribution sales organizations while also transforming marketing into a fully integrated upstream, downstream, clinical, and research-driven function. He led multiple successful product launches, and executed a multi-year international strategy that grew global sales more than 200% in three years.

Greg holds executive credentials from the Wharton School of Business at the University of Pennsylvania and has been recognized for mentoring emerging leaders and building strong, performance-driven cultures.

Esha Bandyopadhyay

General Counsel and Corporate Secretary

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

She brings to Spectrum close to 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.

Shlomi Aloya

VP 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

Dalia Shiti

VP 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.

Amir Stadtmauer

VP 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.

Ayelet Dekel

VP 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. 

Ruthie Ben-kish

VP 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.

Rafael Baavour

Director of Physics

Rafael Baavour is the Director of Physics at Spectrum Dynamics Medical, where he leads core R&D activities focused on the development, optimization, and validation of advanced nuclear imaging technologies.

With close to two decades of experience in nuclear medicine and CZT‑based imaging systems, he brings deep expertise in system performance, quantitative image analysis, and physics‑driven innovation.

Rafael oversees scientific and technical strategy across all imaging platforms, including the D‑SPECT® cardiac imaging system and the VERITON® / VERITON‑CT total‑body SPECT/CT solutions. He also supports global clinical collaborations to ensure scientific rigor, system reliability, and continuous technological advancement.

He holds a degree in Nuclear Engineering, supporting his leadership in system characterization, product performance, and the advancement of next‑generation molecular imaging technologies.

Igor Naroditsky

Vice President 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. 

Danny Kravtsov

VP IT/IS

With over two decades of experience in enterprise IT and information security, Danny Kravtsov serves as Spectrum Dynamics Medical’s Vice President of IT/IS. Danny oversees global IT operations, infrastructure, and security, supporting complex, multi-site environments and business-critical systems across remote and on-site locations. He has extensive experience leading enterprise IT strategy, large-scale system implementations, cybersecurity initiatives, vendor and resource management, and operational transformation.
 
Danny is recognized for his hands-on leadership, strong analytical skills, and ability to drive reliable, secure IT solutions at scale. Known for his technical depth and problem-solving approach, he is a committed lifelong learner who has built his expertise through intensive self-directed study and decades of high-stakes industry experience. Danny consistently delivers robust IT solutions in fast-paced, highly regulated environments.

Rhona Ukrainsky

Director of Finance

Rhona Ukrainsky leads the company’s global financial operations, including financial reporting, compliance, planning, and cash-flow management across multiple jurisdictions.

Rhona brings over a decade of experience in corporate finance, FP&A, and accounting within global organizations, with experience in managing cross-functional teams worldwide, optimizing financial processes, supporting business growth, and driving operational excellence in complex international environments. Prior to joining Spectrum Dynamics Medical, she began her career at PwC Israel, advising public and private companies across various industries. She is also active in Professional Women in Finance forums.

Rhona holds a BA in Economics and Accounting from Tel Aviv University and is a Certified Public Accountant.

Jim Haisler

Chief Commercial Officer

Jim Haisler heads the global commercial operations of Spectrum Dynamics Medical being responsible for sales and marketing of the company’s products. 

Jim brings to the company 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 sales 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 Degree in Business 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. 

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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.

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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.

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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.

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.