Meet Our Team

TessaB is a union of seasoned industry executives, marketing, ecommerce and technology experts. Together, we are executing our collective vision to create a better ownership experience for consumers.

Ben Nash

Ben Nash

Chairman

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Ben has been the CEO of PCS Wireless since 2003, building it into a powerhouse in reverse logistics for the mobile device and equipment industry. He began his career in wireless distribution in Manhattan. Ben has led the charge in growing PCS from a local business into a prominent operation with a global presence. Ben conceptualized the idea for TessaB ecosystem in 2017 and is committed to driving its long-term successes.

Flavio Mansi

Flavio Mansi

President

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Since the end of 2017 Flavio has been leading a group of highly talented individuals who are developing the TessaB blockchain ecosystem. He has gained distinct insight and experience in the technology industry sphere, having spent 16 years at Qualcomm with roles that included Senior Vice President and President of Qualcomm Latin America. More recently, Flavio joined PCS Wireless as Chief Commercial Officer in 2014 and has held several roles within the PCS group of companies. Flavio is passionate about the great opportunity TessaB has to revolutionize the way people buy and sell mobile devices and related services, while introducing cryptocurrency to a mass consumer audience.

Lazer Herson

Lazer Herson

VP Strategy

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Lazer has been with PCS Wireless since 2012 and has been instrumental in molding and developing their Residual Value Programs. He works directly with Operators and Manufacturers on a global scale to strengthen their Trade-in and Guaranteed Buyback (for leasing or finance) initiatives. For TessaB, Lazer is applying his expertise to drive overall business strategy and enterprise partnerships.

Andrew Weisselberg

Andrew Weisselberg

Director of Marketing and Customer Experience

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Andrew Weisselberg is a seasoned marketing executive who has spent 20 years building successful integrated marketing programs, brand strategies and customer experiences. His previous experience includes management roles at large marketing services firms including Ogilvy & Mather and McCann-Erickson in New York. During this time Andrew worked on an extensive portfolio of brands including Verizon, Citizens Bank, Coca-Cola, Sprint, T-Mobile, BP, 7-Eleven, and Jägermeister. Andrew joined the TessaB team in the fall of 2018.

Jesus Sardinero

Jesus Sardinero

Business Development

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Jesus is a multinational strategic, multilingual Spanish, Portuguese and English executive with over 30 years of international business experience in technology and teleco throughout Europe, the Americas and Asia. Excellent relationship at C level MNO, MVNO, OEM, and ODM. His previous experience includes management roles in PCS Wireless Latin America, co-Founder of Celistics, Telefonica in both Latin America and Europe and Motorola Europe. As a result of his experience, Jesus understands the opportunities and challenges OEMs, Carriers and Distributor face when they produce, sell, market, distribute and service smartphones.

Jacob Katsof

Jacob Katsof

Business Development

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Jacob Katsof is an experienced business development executive with a love for solving problems in the telecom industry. He has held roles as Entrepreneur In Resident at IDT Corporation, Director of Mobile Apps at PCS Wireless, and co-founded a telecom purposed CRM platform. Jacob is passionate about emerging technologies, product development and building relationships. He attributes his success to listening carefully to customers, identifying pain points and opportunities, and designing innovative solutions.

Ishai Reinfeld

Ishai Reinfeld

Director of E-Commerce and Customer Care

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Ishai is a leading young executive driving the next generation of eCommerce. A Forbes 30 under 30 nominee, he has over ten years experience operating and leading online businesses, leveraging his extensive background in management, process innovation and competitive intelligence. Ishai’s work has directly impacted both small businesses and Fortune-500 companies, locally and abroad. His relentless drive and passion is matched only by his love for sushi.

Tanuj Nigam

Tanuj Nigam

Head of Technology

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Tanuj Nigam recently joined TessaB as the Head of Technology and brings with him a deep understanding of blockchain and DLT space. He had worked with multiple blockchain protocols and has designed and advised a lot of ICOs and STOs startups’ to take their products to live.
His long stint at Bank of America got him into blockchain and few other bleeding-edge paradigms to improve efficiency by creating decentralized and transparent workflows. He has extensive experience with diverse technologies by virtue of working with enterprise and startup companies for 20 years on putting together large scale, high availability, and interoperable solutions.
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