Our Team

sumeyra kostereli 2


Chief Expert Researcher

Sümeyra KÖSTERELİ is a graduate of Dokuz Eylül University with a degree in Mathematics (English). She has completed both her undergraduate and master's programs in this field. She is currently in the process of working on her doctoral thesis in the Department of Business Administration at Gebze Technical University. Prior to her role at TÜSSİDE, she worked as a research assistant in the Mathematics Department at Dokuz Eylül University.

She has expertise in corporate competency modeling, designing learning and development programs for managers, organizational culture development, and strengthening employee satisfaction and engagement through strategic planning.

Areas of expertise

  • Competency Analysis and Corporate Competency Modeling
  • Original Competency Development Program Design, Implementation and Evaluation (Employee and Manager Competencies, Leadership Development)
  • Corporate Training Needs Analysis
  • Employee Analytics Modeling
  • Sustainable Corporate Development
  • Strategic Planning
  • Qualitative Data Analysis (MAXQDA)
  • Quantitative Data Analysis (SPSS)