Our Authors | AB Handshake Anti-Fraud Professionals

Anna Potapova

Anna Potapova

Head of Strategic Partnerships

Anna Potapova is the Head of Strategic Partnerships at AB Handshake, where she leads multiple anti-fraud projects involving Tier-1 MNOs.

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Dmitry Sumin

Dmitry Sumin

Head of Products

Dmitry has over 15 years’ experience in international roaming, interconnect and fraud management.

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Nadejda Papernaia

Nadejda Papernaia

CEO

Nadejda Papernaia is a versatile and experienced CEO in the telecom and tech industries. She is the founder of the AB Handshake Corporation – a global system of products and solutions that eradicates all types of voice and SMS fraud.

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Sergey Okhrimenko

Sergey Okhrimenko

CTO

Sergey is the inventor of the AB Handshake Call Validation technology and a global expert in fraud management and revenue assurance. He has over 20 years of experience in the telecom industry in sales, R&D, and operations and holds an MS in Electrical Engineering.

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Iakov Maurov

Iakov Maurov

Director Of Business Development

Iakov Maurov is the Director of Business Development at AB Handshake, responsible for expanding market presence and creating strategic opportunities.

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Oleg Pokrishchenko

Oleg Pokrishchenko

Chief of Onboarding and Support Operations

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Shai Calev

Shai Calev

Business Development Manager

Risk Management professional – experienced in analysts team management, fraud prevention, revenue assurance, Business Development, presale, project management. 

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