Sunay Tas

Head of Global Payment Systems at Trendyol | Executive MBA

Istanbul, Istanbul, Türkiye

About

Payment Systems Enthusiast Issuing - Acquiring - Digital Wallet - Payment Facilitators - PSPs - Virtual & Physical POS - Ecommerce - Marketplace - SoftPOS -VUK507

Experience

  • Head of Global Payment Systems at Trendyol Group
    Dec 2025 - Present · 8 mos

  • Head of Payment Systems Management at Turkish Airlines
    Jan 2025 - Dec 2025 · 1 yr

  • Director of Payment Systems at Pazarama
    Aug 2023 - Jan 2025 · 1 yr 6 mos

  • Group Product Manager at iyzico
    Jun 2022 - Aug 2023 · 1 yr 3 mos

  • Product and Business Development Manager / Payment Systems / Acquiring / Issuing at Türkiye İş Bankası
    Oct 2010 - Jun 2022 · 11 yrs 9 mos

    Acquiring: Managing acquiring business strategy and product development process and also responsible for end to end implementation of new acquiring methods into market. Directing new technological payment method projects such as mobile payment, SoftPOS, QR payment, secured financial application. One of my main duty was also management of merchant pricing, profitability and fee management. As a product owner; Creating and defining product strategy, product requirements, Identifying OKRs, managing product backlog by defining EPICs, PBIs, MVP and delivery process, Providing more productive environment to the agile team by collaborating with other stakeholders Other responsibilities; - International card acceptance (DCC – non DCC transactions) and ATM acquiring business - Management of mobile commercial channel (Maximum Isyerim) and its acquiring methods (SoftPOS, QR payment) - Merchant onboarding process on mobile channels - Planning of masterplan, prioritization of new business requirements and projects - Approving business analysis documents - Relationship management with international card schemes, legal authorities - Compliance management - Designing the marketing business strategy - Crossborder acquiring business Issuing Responbilities and roles; - idea generation, end to end implementation of new card products and payment services - designing credit card based campaigns - creating new installment and financial solutions - managing product strategy, planning and pricing - analysis of business requirements - designing the test cases documentation and executing the user acceptance tests - negotiation with third parties and other business units and creating solutions - Crossborder issuing business