About us

Wolfgang Essig

Wolfgang Essig (52) is a co-founder of One Smart Star Schweiz GmbH, and its CEO. At the same time, he is also Founder and Partner of Fidelio Group AG, located in Switzerland. Prior to this, he was a member of the Executive Board for COLT Telecom Group plc, London, while also serving as Chairman of the Board of COLT’s German subsidiary and President of the Board of Directors for the Swiss COLT AG. Over the years prior to that, he held the offices of Chairman of the Management Board and Managing Director at British Telecom, Level3, Siemens and Deutsche Telekom. Due to his years of experience in the growing Asian markets (CEO & President of Siemens Ltd. Thailand and General Manager of Siemens China), as well as in the Middle East and North America, Wolfgang Essig is recognized as an international and inter-cultural manager. He has been on the Executive Board of BITKOM since 2005. In 2006, he was awarded the National Leadership Award by the Economic Forum of Germany.

Harry U. Zimmermann

Harry U. Zimmermann (47) is a co-founder of One Smart Star Schweiz GmbH, and its CFO. He earned his Diplom-Kaufmann (equivalent to an MBA) and has been working in the market for more than 20 years as a strategic business consultant. Over the years, he has advised, guided, and cultivated numerous medium-sized companies. Harry Zimmermann has specialized in start-up investments, as well as management and business coaching for a divers range of business models in the fields of communications, process optimization, and strategy development. Since the Year 2000, he has developed several innovative start-up companies as both founding partner and as a strategic investor.

Mr. Tzvika Friedman - Advisory Board Member

Tzvika Friedman is currently CEO of Alvarion (NASDAQ: ALVR), a position he has held since October 2005. Prior to that Mr. Friedman served for five years as Alvarion’s President and Chief Operating Officer, assuming responsibility for the myriad facets of the company's day-to-day management including R&D, operations, sales, and marketing and customer service. Before that Mr. Friedman was Corporate Vice President and General Manager of the Next Generation Telephony and DCME division of ECI Telecom, and Vice President of Marketing and Sales of ECI Telecom's SDH division. Mr. Friedman holds a masters degree in electrical engineering (M.Sc.E.E.) from Tel Aviv University and a Sloan Program Masters degree in management (M.Sc.M.) from the London Business School.

Hemy Tzubary - Co-Founder, CEO

Mr. Hemy Tzubary is Co-Founder and Chief Executive of One Smart Star™. Prior to that, Mr. Tzubary served as CFO and COO of ART – Advanced Recognition Technologies Inc, voice and handwriting recognition software company, where he oversaw the company’s daily operations, leading ART, to two private placements, as well as its later merger with ScanSoft Inc, a US NASDAQ listed company. Prior to that, he was controller at Global Trade Center, one of Eastern Europe’s largest real-estate developers. Mr. Tzubary has a BA in Business Administration from the Tel Aviv College of Management, and is a Certified Public Accountant in Israel.

David Sussan - Co-Founder, President

Mr. Sussan is Co-Founder and President of One Smart Star™. Prior to that he was the owner and CEO of Kesem Real Estate and Development Company. Established in 1989, Kesem provides planning and development services to a large range of commercial and governmental projects. Kesem also builds water storage facilities, and automated firefighting systems. Mr. Sussan studied electrical engineering and worked in the field several years prior to establishing Kesem Real Estate and Development.