Assen Nikolov

About

Experienced Chief Operating Officer with a demonstrated history of working in the Ecommerce industry. Heavy Risk, Compliance and Product background. Skilled in Portfolio Management, Merchants' approval, VISA, MasterCard, JCB, MIR and China UnionPay Card Schemes regulations, Fraud Prevention, Risk Management, Banking, and E-commerce. Putting people from Payments space together.

Experience

• Chief Operating Officer at Corepay
  Mar 2026 - Present · 4 mos

  - People & Teams: Direct management of company staff, implementing performance management systems, recruiting strategies, and professional development paths. - Scaling Operations: Designed robust systems and automated processes to handle massive transaction growth without sacrificing service quality. - Cross-Functional Alignment: Bridged product, sales, and technology teams to ensure rapid, coordinated execution of company goals. - Culture & Productivity: Built an agile, inclusive culture that enables team members to thrive while achieving organizational targets.

• Company Owner at Phoenix payments ltd
  Sep 2023 - Present · 2 yrs 10 mos

  - Providing strategic payment consulting to Acquirers, Merchants, Fintechs and Payment Service Providers; - Integration Management merchant support for payment and risk management integrations; - Payment and risk performance optimization for Acquirers and Merchants; - Interim Payment Project and Product Management; - PSD2 & 3DS2 optimization, troubleshooting, and long-term strategy definition; - Support and definition of vendor selection processes (RFPs/RFIs) to choose payment service providers and risk management solutions

• Strategic Business adviser at Shift4 Europe (formerly Finaro)
  Dec 2025 - Mar 2026 · 4 mos

  - Strategic advisory in niche Verticals - Payments strategy optimization

• Risk Manager at Worldline
  Mar 2022 - Sep 2023 · 1 yr 7 mos

• Head of Risk Department - Issuing, Acquiring, CNP, CP at myPOS AD
  Jun 2021 - Mar 2022 · 10 mos

  • Managing Risk Department day to day activities • Managing Disputes, Monitoring, Fraud prevention and Merchants approval Risk Units • Managing myPOS.eu Acquiring Card Present and Card Not Present Merchants portfolio • Managing myPOS.eu Card Issuing Operations • Managing myPOS.eu Merchants bank transfers from Risk and Fraud perspective • Creating myPOS.eu Risk Strategy • Managing myPOS.eu Fraud prevention and mitigation strategies • Managing myPOS.eu Chargeback operations • Relationship Management with key Partners and Third Party Providers