Hakki Mantici

Hakki Mantici has over 19 years of experience in the technology and telecommunications sectors, currently serving as a Sales Manager for Large Accounts at Türk Telekom since May 2011. In this role, Hakki is responsible for business development with key accounts in Kayseri, Malatya, and Sivas, while addressing customer challenges across commercial, operational, and technology dimensions. Previous positions at Türk Telekom include Aftersales Team Leader, coordinating the post-sales team and managing customer relationships, as well as a specialist in Revenue Assurance and Fraud Management. Prior to Türk Telekom, Hakki held positions at Gantek Teknoloji as a Business Development and Project Manager, and at Likom Yazılım Hizmetleri ve Ticaret A.Ş., Argedata Software, and Ozkar A.S. in various software development roles. Hakki holds a degree in Control and Computer Engineering from Erciyes University.