OKA ASSOCIATES - Key Persons


Buket Çelebiöven

Job Titles:
  • Partner
Buket is a Partner of OKA Associates specializing in leadership assessment, development, and organizational strategy. Based in Istanbul, Buket brings more than 25 years of expertise in human resources with a proven track record in people and organizational development and managing cultural and organizational change initiatives in a global environment.

Tugce (Arac) Bilen

Job Titles:
  • Partner
Prior to her current role at OKA Associates, Tugce was a Principal at Korn Ferry's Dubai Office within Global Technology Markets with coverage across both the Middle East and North Africa. Prior her move to Dubai, Tugce was a Principal with Korn Ferry in Istanbul and leading Life Sciences, Technology and Automotive Practices for Turkey. Tugce has also worked in London, Frankfurt and Singapore offices of Korn Ferry in the past rounding her international experience, working with international and global organizations on their senior talent needs. Prior to joining Korn Ferry, Tugce was senior consultant for a leading human resources management consultancy firm for five years, providing executive search, volume recruitment, assessment and talent development projects across diverse sectors in Turkey. Tugce started her career as a Training Coordinator in a consultancy firm where she gained hands- on experience in the delivery of various training solutions. Education After graduating from German High School in Istanbul, she completed her bachelor's degree in Psychology department of Istanbul University. During her bachelor's degree she won a one-year scholarship at Ruhr University Bochum Germany. She then continued her M.Sc. degree in Industrial Psychology at Istanbul University and her M.A. degree in Management & Organization at Marmara University. She is fluent in English and German, and a native speaker of Turkish. As Partner of OKA Associates, Tugce specializes in senior executive assignments for clients across the wide range of sectors. Based in Istanbul, she possesses more than 18 years of Executive Search and Talent Consulting experience, both at local and international levels.