Jim Haisler
Chief Executive Officer

Jim Haisler brings to Spectrum Dynamics extensive experience in general management, sales and marketing in the field of medical diagnostic imaging and therapy. Prior to joining Spectrum Dynamics he held executive level sales management positions with Philips Medical Systems. Prior to that he was the President of  PhyMatrix Diagnostic Imaging as well as Dornier Medical Systems, NA. Earlier, he held various Vice President and General Manager positions at ADAC Laboratories. Mr. Haisler has an educational background in X-ray and Nuclear Medicine Technology, he holds a Masters Degree in Business from Pepperdine University.

 

  Yoel Zilberstien
Co-Founder and General Manager

Yoel Zilberstien brings to Spectrum Dynamics extensive experience in the management of high technology medical projects. Prior to Spectrum Dynamics, Mr. Zilberstien served as General Manager and Vice President of Biosense Israel, a subsidiary of Johnson & Johnson. Before Biosense, he was a Senior Manager in the Nuclear Medicine Division of Elscint Ltd. In addition, Mr. Zilberstien currently serves as a Director in several Israeli start-up companies. Mr. Zilberstien holds a B.Sc. in Mechanical Engineering from the Technion in Haifa, Israel, and completed his post-graduate studies in Finance and Business Administration at the Haifa University.
 

  Josh Gurewitz
Vice President, Sales and Marketing

Josh Gurewitz joined Spectrum Dynamics in June of 2006. Mr. Gurewitz brings to Spectrum Dynamics over 18 years of clinical, sales and marketing management experience in the field of Nuclear Medicine. Prior to joining the company, Mr. Gurewitz served as Vice President of Marketing for Philips Medical Systems Nuclear Medicine and PET Division. Prior to his position at Philips, Mr. Gurewitz served as the Marketing and International Sales Director of Marconi Medical Systems Nuclear Medicine and PET Division. Mr. Gurewitz holds a Bachelors degree from the State University College of NY at Buffalo and a Masters in Business Administration from California Coast University.
 

  Gilad Yoeli
Chief Financial Officer

Gilad Yoeli joined Spectrum Dynamics in May 2007. Prior to joining the company Mr. Yoeli served as CFO and Controller of CoreFlow Ltd., a company engaged in development and sale of novel aeromechanical based equipment to the FPD, Solar Cells and Semiconductors industries. Prior to his position at CoreFlow Gilad worked as senior manager at Ernst & Young Israel, Israel's leading accounting firm. Mr. Yoeli holds a Bachelor's degree in Economics from the Haifa University and is a licensed accountant in Israel.
 

  Ayelet Bar-On
Vice President Operations

Ayelet Bar-On joined Spectrum Dynamics in June 2011. Mrs. Bar-On brings to Spectrum Dynamics over 13 years of management experience in the field of operations. Prior to joining the company she served at Lumenis , global leader in medical and aesthetic lasers and light-based technology . In addition, Mrs. Bar-On brings with her extensive experience in ERP systems and logistics worldwide. Mrs. Bar-On holds a Bachelor's degree in Mathematics and statistics from Haifa university.
 

  Adi Nahmani
VP Engineering & Global Customer Support

Adi Nahmani brings to Spectrum Dynamics over 10 years of experience in research and development. Prior to Spectrum Dynamics he worked in several start-up companies. His specialties are in the fields of acquisition systems and image processing. In Spectrum Dynamics Mr. Nahmani held the positions of software engineer, Software team leader, Software manager and Head of R&D.
Mr. Nahmani holds a B.A degree in mathematics from the University of Haifa.

 

  Nathaniel Roth
VP Research & Development

Nathaniel Roth joined Spectrum Dynamics in 2005. Prior to joining the company, Mr. Roth served as a physicist for a military field company GDI-Simulation, a subsidiary of EADS specialized in the development of field weapon simulators. In addition, he served as a consultant in technology development and as a project manager for Chanel.
Mr. Roth holds an M.Sc degree in physics from University of Nice with an optical instrumentations specialization from the University of Saint Etienne.

 

 

 

 


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