After graduating from Boğaziçi University with a degree in Business Administration, Yıldız has held various senior positions in Corporate Finance and Financial Analysis at the Industrial Development Bank of Turkey, served as Deputy Manager of Corporate Finance at Oyak Securities, and Senior Credit Analyst at Bayerische Hypo-und Vereinsbank AG. Additionally, Yıldız has led Capital Markets Advisory at UniCredit Securities as Director and managed the Structured Finance Group at ING Bank. Since March 2019, Yıldız has been the Executive Vice President responsible for Investment Banking, Project Evaluation, Sustainability, Environmental and Social Impact Management, and Corporate Communication at the Development and Investment Bank of Turkey.

Yıldız also chairs the Board of Directors at Kalkınma Yatırım Varlık Kiralama A.Ş. and serves as a Board Member at Kalkınma Girişim Sermaye Portföy Yönetim A.Ş. Furthermore, Yıldız is an active Board Member of the Business Council for Sustainable Development Turkey (SKD Türkiye) and serves as Vice Chairman of the Advisory Board on Impact Investment (EYDK). Yıldız is also a member of the Advisory Board for the Operating Principles for Impact Management (OPIM).