Sergej Kostenko is a UK-based entrepreneur, investor. He founded Nothreat, AI-native cybersecurity company focused on real-time threat prevention, deception, and autonomous defense. Nothreat has partnered with organizations such as Lenovo, Proxima Tech, Azerconnect Group, ISD Dubai Sports City, Qarabağ FK, and Pafos FC, securing complex IT, OT, and IoT environments. Sergej brings over 15 years of experience in the Telecoms, Media, and Technology sectors, with deep expertise in fintech and M&A. Sergej has also led high-impact cross-border operations as an executive at NASDAQ-listed Pareteum, where he oversaw commercial, financial, and technical activities at scale. Sergej’s career is defined by his ability to build and scale innovative businesses while driving strategic market consolidation through M&A. He holds a BA (Hons) in Business Administration from the Open University. A former professional boxer, Sergej brings a disciplined, tactical mindset to business leadership—balancing resilience, precision, and long-term vision in fast-moving global markets.

Sergej Kostenko is a UK-based entrepreneur, investor. He founded Nothreat, AI-native cybersecurity company focused on real-time threat prevention, deception, and autonomous defense. Nothreat has partnered with organizations such as Lenovo, Proxima Tech, Azerconnect Group, ISD Dubai Sports City, Qarabağ FK, and Pafos FC, securing complex IT, OT, and IoT environments. Sergej brings over 15 years of experience in the Telecoms, Media, and Technology sectors, with deep expertise in fintech and M&A. Sergej has also led high-impact cross-border operations as an executive at NASDAQ-listed Pareteum, where he oversaw commercial, financial, and technical activities at scale. Sergej’s career is defined by his ability to build and scale innovative businesses while driving strategic market consolidation through M&A. He holds a BA (Hons) in Business Administration from the Open University. A former professional boxer, Sergej brings a disciplined, tactical mindset to business leadership—balancing resilience, precision, and long-term vision in fast-moving global markets.

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