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David Block

David Block

Group's CEO
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Group's CEO as of May 2017. Prior to that he was Deputy CEO and Chief Operating Officer (COO) since 2012, with responsibility for worldwide operations, worldwide sales, including the network of subsidiaries and distributors/resellers and customer care. He is a Director in the Group's subsidiaries, Galatea, Sarin India, Sarine Color Technologies, Sarine Polishing Technologies, Sarine Holdings USA, Sarine North America, Sarine IGT H, Sarine IGT I and Sarine IGT JKL. Prior to that appointment, from June 2009, Mr. Block was Deputy CEO and VP of Sales responsible for overseeing the Group's worldwide sales, including its network of distributors/resellers and subsidiaries. Beginning January 2006, for a period of three years, Mr. Block was the CEO of Sarin India in charge of the overall management of the operations and business in India, responsible for over 70% of the Group's revenues and the supervision of over 200 employees. Before being assigned to Sarin India, Mr. Block was a Product Manager responsible for all the products aimed at the diamond manufacturing market, commencing 2001. Prior to joining the Group, Mr. Block worked at several major Israeli high technology companies in the management of large-scale development projects, computer programming, quality assurance and technical writing positions. Mr. Block holds a Master of Business Administration (MBA) from the Kellogg-Recanati School of Business, a joint degree from Northwestern University in the USA and Tel Aviv University in Israel, and a Bachelor's degree in Computer Science from the Tel Aviv-Jaffa Academic College in Israel.

Executive Vice Presidents

Ron Ben-Ari

Ron Ben-Ari

Group's Deputy CEO and Vice President of Product Management
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Group's Deputy CEO (as of 2018) and Vice President of Product Management, responsible for all of the Group's products' definition, marketing and timely development since 2016. From 2013 through 2016 he was first the Director, and then Vice President, of Diamond Manufacturing Activities for the diamond industry midstream, including the Galaxy® family of inclusion scanning solutions, rough diamond planning products, laser sawing and shaping systems, polishing quality aids and polished diamond Cut finishing and grading solutions. From 2005 to 2013, Mr. Ben- Ari acted as the Product Manager of the rough diamond planning group of products (the DiaExpert® and Advisor® product lines) and managed the Galaxy® family of products during their first two years and participated in their launch, initial marketing drive and acceptance, ongoing development, etc. Prior to that, since joining Sarine in 2003, Ron Ben-Ari managed the Quality Assurance team in Sarine, responsible for testing all of Sarine's products. Mr. Ben-Ari holds an MBA from the Kellog-Recanati School of Business, a joint degree from Northwestern University in the USA and Tel Aviv University, and a Bachelor's degree in Computer Science from the IDC College in Israel.
William Kessler

William Kessler

Group's Chief Financial Officer
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Group's Chief Financial Officer since May 2009. He is also a Director in the Group's subsidiaries, Galatea, Sarin India, Sarine Color Technologies, Sarine Polishing Technologies, Sarine Holdings USA, Sarine North America, Sarine IGT H, Sarine IGT I and Sarine IGT JKL. He has over 25 years of corporate and Wall Street experience, working with publicly-traded and private companies in Israel and the United States. From July 2006 until May 2009, Mr. Kessler served as the Principal Finance and Accounting Officer (CFO) of XTL Biopharmaceuticals Ltd. (Nasdaq: XTLB; LSE: XTL and TASE: XTL) and was previously its Director of Finance as of January 2006, having served as a financial consultant to XTL during 2005, when he spearheaded the process of listing XTL for trading on the Nasdaq. From October 2003 until December 2005, he served as a financial consultant to Keryx Biopharmaceuticals, Inc. (Nasdaq: KERX), following the relocation of its headquarters to New York, after having served as their Controller in Israel from 2001 until September 2003. From 1996 to 2000, Mr. Kessler served as Chief Financial Officer for Interhightech (1982) Ltd. While on Wall Street, he worked as a research analyst at Wertheim Schroder & Co., covering media and entertainment companies. Mr. Kessler holds a Bachelor's degree (magna cum laude) in Economics and Mathematics from Yeshiva University and an MBA from Columbia University, both in NY, USA.

Vice Presidents

Abraham Meir Kerner

Abraham Meir Kerner

Group's Vice President of Research and Development
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Group's Vice President of Research and Development since March 2009 and Chief Technological Officer since 2004. He is primarily responsible for developing our technological base, as well as overseeing the development of new products. Prior to 2004, Mr. Kerner was our R&D manager for nearly a decade, having joined the Group in 1995. Prior to joining the Group, Mr. Kerner worked for companies related to the Group, where he accumulated 15 years of engineering experience and was involved for ten of those years in the development of precision motion control systems and accurate measuring machines for diamonds. Between 1989 and 1995 Mr. Kerner worked for Shalev (founded by Mr. Levami, the Group's non-executive director) and then Interhightech (founded by Mr. Glinert, the Group's current Chairman, into which Shalev was merged in 1993) on the original DiaMension® and the DiaCenter, the first automated computerised centering system for rough diamonds for bruting (a now discontinued product of the Group). From 1986 through 1989 while at Shalev, Mr. Kerner participated in the Group's original development project - the Robogem, an automated system for planning and shaping non-diamond gemstones. Before that, from 1980 through 1986 Mr. Kerner worked for another of Mr. Levami's start-ups - Compulite. Mr. Kerner holds a Bachelor's degree in Electrical Engineering from the Technion - Israel Institute of Technology.
Oren Ben-Kochav

Oren Ben-Kochav

Group's Vice President for Global Operations
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Joined Sarine in 2017 as the Group's Vice President for Global Operations. He is responsible for Sarine's procurement, production, customer care, Information Technology (IT), including the Management Information Systems (MIS), and the operation of the global service centres. In this role, Oren is focusing on improving and optimising the services the Group provides its customers, along with implementing customer-centric paradigms. Prior to joining Sarine, from 2010 through 2017, Oren served as the Executive Director of Customer Operations and the Israeli branch COO for McKesson (Nasdaq:MCK), supporting McKesson's customer services for its digital imaging and diagnostic solutions, used by cardiologists and IT professionals working for hundreds of healthcare providers and imaging centres worldwide. From 2002 to 2010, he served as a Director of Product Operations at Medcon, an Israeli healthcare IT company, responsible for customer support and implementation teams, providing services globally to their customers and resellers. From 1999 to 2002 Oren led the project management and information services groups in Gamatronic, a publicly traded Israeli company (TASE:GAMT) and was responsible for executing large scale projects for governmental customers, both military and civilian. Oren holds a Bachelor's degree in Business Management, with specialisation in information systems, from Touro College in New York.
Tzafrir Yehuda Engelhard

Tzafrir Yehuda Engelhard

Group's Vice President of Business Development
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Group's Vice President of Business Development, as of 2017, primarily responsible for the launch of the Group's Sarine Technology Lab for the technology-based accurate, consistent and objective grading of polished diamonds' 4Cs. Tzafrir earlier served as the Group's Vice President of Business Development Polished Diamonds Trade from 2013 through 2016, and the Director of Business Development since 2010. During 2009 (cut short for personal reasons), Mr. Engelhard was the CEO of Sarin India in charge of the overall management of the operations and business in Sarin India, and, specifically, the launch of Sarine's first Galaxy® inclusion mapping service centre in India. Prior to that, Mr. Engelhard served as a Product Manager, responsible for several of the Group's products. Prior to joining Sarine, from 2007 to 2008, Mr. Engelhard worked at eTouchware, a software company that provides solutions for secure and efficient file transfers over the Internet, and, from 2004 to 2007, at Cognitens Ltd. (later purchased by Hexagon Metrology Inc.), a company that developed and sold high precision non-contact measurement devices to the worldwide automotive market. Mr. Engelhard holds an MBA from the Hebrew University of Jerusalem, with specialisation in marketing strategy, and a Bachelor's degree in Optomechanics Engineering from the Technion - Israel Institute of Technology.
William Weisel

William Weisel

Group's General Counsel
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Group's General Counsel since August 2016. In this role, Mr. Weisel is responsible for the Group's legal matters, with an emphasis on its core business transactions, new business development, intellectual property protection and employment issues. Prior to his employment by Sarine, among other legal services and business development activities, Mr. Weisel served from 2007 to 2014 as VP & General Counsel of Lumenis Ltd. (Nasdaq: LMNS), a global medical device manufacturing company; from 2001 to 2004 as VP & General Counsel of Gilat Satellite Networks Ltd. (Nasdaq: GILT), a global satellite telecommunications company; from 1999 to 2001 as General Counsel of ADC Teledata Israel Ltd., a telecommunications hardware manufacturer; from 1992 to 1999 as General Counsel of Scitex Corporation Ltd. (Nasdaq: SCIX), an innovator and manufacturer of digital printing graphics equipment; and from 1982 to 1986 practiced law as a litigator in Los Angeles, California at the firm of Jeffer, Mangels, Butler & Marmaro. In addition, since 2013 Mr. Weisel has been a lecturer at the Haifa University Graduate School of Management and teaches a course called, "Business & Law Convergence" to MBA students. Mr. Weisel is the author of an article entitled, "Deal Breaker to Deal Maker" published in 2015 by The Legal 500 in its publication, GC-General Counsel Magazine. Mr. Weisel holds a Bachelor of Arts degree in political science from the University of California, Los Angeles (UCLA) and a Juris Doctor (JD) degree from Loyola University School of Law in Los Angeles. Mr. Weisel is admitted to practice law in California and Israel.

Subsidiaries' Key Management

Ran Ziskind

Ran Ziskind

General Manager, Galatea Ltd
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General Manager of Sarine's subsidiary, Galatea Ltd. since 2004, being one of its founding entrepreneurs. Mr. Ziskind is in charge of the ongoing development and manufacturing activities at Galatea on the Galaxy® family of inclusion mapping systems. Prior to founding Galatea, he accumulated 12 years of experience in high-tech industries at various positions, from design engineer to management. Between 2001 and 2003 Mr. Ziskind served as the General Manager of Atomic Hydrogen Technologies Ltd., a company which develops equipment for the semiconductor industry. Prior to that, from 1997 through 2001, Mr. Ziskind worked for Eureka, a company that did subcontracting of mechanical design services. At Eureka he held a plurality of positions, from Design Engineer to Project Manager. Mr. Ziskind is a graduate of the Mechanical Engineering program from Zur Teffen, an academic institute founded by the world-renowned industrialist, Mr. Stef Wertheimer, and holds a Bachelor's degree in Chemistry and Management from the Open University of Israel.
Yoav Efrat

Yoav Efrat

General Manager, Sarin India
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General Manager of Sarin India since mid-2017. Prior to his relocation to India, Mr. Efrat served for two years as the Group's Director of Program Management & Delivery, responsible for global operations of Sarine's trade and retail solutions. From 2011 through 2015, Mr. Efrat was the Product Manager responsible for Sarine's line of diamond manufacturing products, working closely with manufacturers and gemmological labs. During these two periods, Mr. Efrat garnered a wealth of knowledge relating to polished diamonds and their retail branding as well as to the Indian manufacturing market and its processes, economies, etc. Prior to joining Sarine, from 2008 to 2011, Mr. Efrat led national communications projects at R.T.Com, including development and set-up of national satellite networks for governmental agencies. Mr. Efrat also possesses extensive experience in software development, having worked at Paieon Medical Inc. as the lead software system architect from 2005 to 2008. Mr. Efrat holds a Bachelor's degree in Computer Science from Ben Gurion University, and an MBA from Bar-Ilan University, with specialisation in marketing.
Beenita Ritesh Chaurasia

Beenita Ritesh Chaurasia

Vice President of Sales, Sarin India
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Vice President of Sales, Sarin India, since 2010. Ms. Chaurasia is responsible for all pre- and post-sale activities relating to the Group's products in India. Prior to this appointment, Ms. Chaurasia had been employed by Sarin India since 2004, initially as a junior sales person and over time with ever increasing managerial responsibilities. Prior to her employment with Sarin India, from 2001 through 2003 she was employed by Pyramid Exports in various positions pertaining to business administration, manufacturing administration and exports of cosmetics, skin care and personal care and perfumery products to international markets. She holds an MBA with distinction, having finished first in her class, from the Jamnalal Bajaj Institute of Management Studies (Mumbai University), with a specialisation in marketing. She also holds a Master's degree in Commerce from Mumbai University, also with distinction. Ms. Chaurasia holds a Bachelor's degree in Commerce from K.P.B Hinduja College in Mumbai.
Sudhir Narasinga Rao

Sudhir Narasinga Rao

Vice President of Finance, Sarin India
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Vice President of Finance, Sarin India, since July 2012. He has over 25 years of corporate finance experience, working with local conglomerates and multinational companies in India. From January 2000 through June 2012, Mr. Rao served as Director of Finance (and on the Board of Directors) of Firmenich Aromatics (India) Private Limited, an Indian subsidiary of a Swiss multinational company in the flavour and fragrance industry, where he led the finance and accounting team. He was part of the core team which set up the first chemical plant in India for the Firmeinch group in the special export zone in the state of Gujarat (where Surat, India's primary diamond manufacturing industry hub, is also located). Prior to that, from 1998 through 1999 he served as General Manager of Finance for Mphasis (India) Limited, a software development company, now a part of the Hewlett Packard group, where he was also part of the core team which set up the start-up company in India. From mid-1987 through 1998 Mr. Rao served as Divisional Manager of Finance for KEC International Limited, a tower manufacturer and transmission line turnkey project contractor, where he began his career as a management trainee. Mr Rao is a qualified Chartered Accountant from the Institute of Chartered Accountants of India and holds a Bachelor's degree in Commerce from Mumbai University.
Rajeshwari Homi Mehta

Rajeshwari Homi Mehta

Vice President of Business Development, Sarin India
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Vice President of Business Development Polished Diamond Trade of Sarin India, since 2013. Ms. Mehta is responsible for all activities relating to the Group's new polished diamond products and services in India. Prior to this appointment, during 2010 Ms. Mehta took personal leave and then, from 2011 through 2012 she consulted for the Group on its conceptualisation of its polished diamond strategies, doing market research and product testing in India, the U.S. and Hong Kong. Prior to 2009, Ms. Mehta served as Vice President of Sales at Sarin India from 2004, when the Group's Indian subsidiary was established. Prior to joining the newly established Sarin India, she was employed by the Company for two years doing various market surveys in India. From 1999 to 2002, Ms. Mehta was the Vice President of Marketing at Sahajanand Technologies P. Limited, at that time our Indian distributor, where she led the marketing team tasked with the sales of our Group's products in India. Ms. Mehta holds a Master's degree in Organic Chemistry and an MBA from the South Gujarat University, India.
Michael Goren

Michael Goren

Managing Director, Sarin Hong Kong Limited
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Managing Director of Sarin Hong Kong Limited (responsible for the Asia-Pacific region excluding India) since early 2015, with his emphasis being on expanding the penetration of Sarine's polished diamond solutions for retailers and suppliers in his area of responsibility. Michael has more than 20 years of global experience in various industries and geographies, in operations and business development. Prior to joining Sarine, from April 2012 until March 2015, Michael was based in Singapore while managing a Hewlett Packard (Nasdaq:HPQ) Asia-Pacific business unit comprising 120 managers and professionals across the region. From January 2011 until April 2012, Michael was employed by Orbotech (Nasdaq:ORBK) as a Business Processes Manager, implementing corporate initiatives and processes in the Asia-Pacific region to better cater to this important market. Michael also spent many years working in Israel, the USA and Australia in various customer interfacing leadership roles, mainly at Elbit Systems (Nasdaq: ESLT) between 1995 to 1997 and Orbotech (Nasdaq: ORBK) from 1997 through 2004, where he was sent from its regional California office to manage the New York facility and later assumed an operations management role in their corporate U.S. headquarters in Boston. From 1991 until 1995 Michael served in a special technological unit in the Israeli Air Force. Michael participated in an Executive Leadership program at Stanford University, focusing on business innovation and transformation, has an MBA in International Business (focus on the Asia-Pacific region) from Flinders University, Australia, a Bachelor's degree in Computer Information Systems from Southern New Hampshire University, USA and an Associate degree in Electronic Engineering from the Technion-Israel Institute of Technology.
Alon Shafir

Alon Shafir

General Manager, Sarine North America
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General Manager of Sarine North America as of 2016. Mr. Shafir joined the Sarine Group in 2014, as a Diamond Research Expert and was part of Sarine's research team working on the automated solutions for Color and Clarity grading. Before joining Sarine, Alon spent four years in New Zealand as an independent dealer of fancy coloured diamonds. Prior to that Mr. Shafir served as the General Manager of the European Gemmological Center (EGC) in Israel for almost ten years, responsible for the definition and introduction to the international market of Gemewizard, patented software for online definition and communication of colour in gemstones and fancy coloured diamonds. Mr. Shafir also served in Business Development for the College of Gemmology for two years establishing consumer service protocols and formalising quality control procedures. Mr. Shafir holds a Bachelor's degree in Law (LLB) from the Shaari-Mishpat College in Israel (and is admitted to practice law in Israel) and a Gemmology Diploma GG from the Gemological Institute of America (GIA).