Ahmet Gökhan Yalçın

Security at Trendyol Group

Istanbul, Istanbul, Türkiye

About

Seasoned Cyber Security Leader with a proven track record in developing and implementing comprehensive cyber security strategies. Passionate about protecting organizations from emerging threats and ensuring data privacy. Experienced in leading cross-functional teams, managing complex projects, and driving innovation in cyber security. Core competencies include: Security Architecture and Design, Cyber Security Operations Center, Information Security Governance, Extended Detection and Response, Identity Protection, Network Security, Endpoint Security, Cloud Security, Security Analytics, Security Consulting, Managed Security Services, Business Development, Product Management, Thought Leadership, Strategy, Public Speaking, Cyber Security Sales Professional Certificates : • CISSP (Certified Information Systems Security Professional) #429570 • CCIE (Cisco Certified Internetworking Expert) Security #28711

Experience

  • Chief Information Security Officer at Trendyol Group
    Mar 2025 - Present · 1 yr 4 mos

    • Responsible for driving end-to-end security strategy, governance and architecture across the Trendyol Group and its companies

  • Vice President, Cyber Security Products at Mastercard at Mastercard
    Jun 2024 - Mar 2025 · 10 mos

    • As VP of Cybersecurity for Europe, I was responsible for leading all aspects of regional cyber resilience, risk governance and security solution delivery in the EU and UK markets • I focused on serving as a trusted consultant and strategic advisor to the CISOs of major enterprises, translating complex security strategies into clear business outcomes • A key aspect of my role was driving new business development and market penetration by aligning cutting-edge security solutions with clients' immediate needs

  • EVP at Yapı Kredi Teknoloji | CISO at Yapı Kredi Bank at Yapı Kredi
    Feb 2020 - Jun 2024 · 4 yrs 5 mos

    • Driving the cyber security strategy for the bank and responsible for all information security operations and organization • Updating the C-Suite and the Board regarding the existing security risks and attack surface • Working closely with the regulatory bodies on technology and security policies • As an industry thought leader in the region, participated in various conferences as a speaker, and has been part of CISO communities such as Gartner Evanta, IDC Security, CyberEdBoard etc.

  • Senior Security Consultant at Fortinet
    Feb 2019 - Jan 2020 · 1 yr

    • Performed security consulting activities for Fortinet Turkey’s large enterprises and service provider customers • Communicated effectively with the customer’s security teams and C-Level executives regarding the current threat landscape • Delivered Fortinet’s strategic vision to market including customers and partners • Was part of a specialized pre-sales engineering team to enhance the offerings of the products such as FortiSIEM, and FortiNAC • Introduced clients to Fortinet’s inhouse developed next generation security tools such as FortiDeceptor and enabled customers to adapt these kinds of new technologies

  • Regional Systems Engineer at Palo Alto Networks
    Oct 2017 - Jan 2019 · 1 yr 4 mos

    • Performed pre-sales and consulting activities for Palo Alto Network’s existing and potential service providers customers (fixed and mobile operators, ISPs, and CSPs) for the CIS region (10+ countries) and Turkey • Effectively led conversations, presentations, and projects about Palo Alto Networks security platform and solutions • Educated customers and partners on the modern security landscape • Identified and qualified new opportunities, and drove technical pre-sales activities to opportunity closure • Maintained key partner technical relationships and effectively enabled and leveraged channel partners; excelled in a channel-driven sales model