Mustafa Tivnikli began his professional career as a Management Trainee in corporate commercial banking at Kuveyt Türk. In 2015, he joined Eksim Holding as a Budget Reporting Specialist. In 2017, he became the Budget Reporting Manager at Eksun Gıda. Since 2018, Mustafa Tivnikli has served as a Member of the Board of Directors and Head of Supply Chain at Eksim Holding.

Tivnikli graduated from Sabancı University with a degree in Industrial Engineering and is a member of the Board of Trustees of the Abdullah Tivnikli Foundation.