Associate Prof. Dr. Yonca Toker Gültaş 

METU Psychology – VOF Lab Founder

She received her Ph.D. and M.S. degrees in Industrial and Organizational (I/O) Psychology from Georgia Institute of Technology (2010) and METU (2003), respectively, and her B.S. degree in Psychology from METU (2000). She conducts research mainly on workplace mistreatment, workplace sexual harassment, personality and implicit personality assessment, vocational interests, and test development and validation. She is a member of the Society for Industrial and Organizational Psychology (SIOP) and has published in various SSCI and national journals. She is a frequent presenter at the annual conferences of SIOP, EAWOP, and AERA.

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tel: +90 (312) 210 5967

e-mail: ytoker@metu.edu.tr


Dr. Fuat Çıkan 

METU I/O Psychology Integrated Ph.D. Program Graduate

After graduating from the Department of Psychology at Ege University, he earned his Ph.D. in 2026 upon completing the Industrial and Organizational Psychology Integrated Ph.D. Program at Middle East Technical University (METU). His research focuses on vocational interest and personality theories, person-vocation and person-environment fit, and motivational processes within the framework of Self-Determination Theory.


Dr. Zeynep Göksu Beşkaya 

METU I/O Psychology Integrated Ph.D. Program Graduate

Zeynep is currently pursuing her PhD in Industrial and Organizational Psychology at METU, focusing her thesis on investigating response distortion in personality measures during the selection process. She earned her B.S. in Psychology from METU in 2018. Currently, she works as a Research Assistant at İzmir University of Economics. Zeynep's research interests include faking in personality measures, personnel selection, job stress, work-family conflict, and recovery experiences. She is also a scholarship recipient in "TÜBİTAK 3005 – Innovative Solutions Research Projects in Social Sciences and Humanities".


Dr. Zeynep Işıl Demircioğlu

METU Social Psychology Ph.D. Program Graduate

Zeynep Işıl Demircioğlu received her B.S. degree in 2018 from Çankaya University, followed by her M.S. degree in Social and Organizational Psychology in 2020 also from Çankaya University. She is currently working on her Ph.D. thesis which is about antecedents of women's sexual harassment acknowledgment, under the supervision of Associate Professor Dr. Yonca Toker Gültaş. Her research interests include social media addiction, cyberbullying, workplace bullying, sexual harassment and effects of personality on these variables.


Graduate Students

Almıla Çınar

METU I/O Psychology Master Student

Almıla is a master’s student in Industrial and Organizational Psychology at METU. Her research interests primarily focus on workplace sexual harassment. Her current research examines cybersexual harassment in the workplace, particularly how organizational factors shape employees’ experiences and responses and how cybersexual harassment relates to job-related outcomes. She is also interested in gender bias and its implications for personnel selection.


Serap Çokuysal

METU I/O Psychology Master Student

Serap received her B.S. degree in Psychology with a double major in Philosophy from METU, and is currently pursuing an M.S. degree in I/O Psychology. For her master’s thesis, she is working on scale development regarding career hindrance factors and work-family dynamics. Her research interests include work-life balance, power dynamics, self-efficacy and gender roles in the workplace.


Dilara Güner

METU I/O Psychology Master Student


Topics of Interest: Personality testing, personality in work organizations, role of gender in leadership, organizational culture, employee motivation, job satisfaction and organizational commitment.


Nurdan Keleş

METU I/O Psychology Integrated Ph.D. Program Student

Nurdan received her B.S. in Psychology from METU and joined the integrated Ph.D. program following her graduation. Her research interests include but are not limited to gender studies, employee voice behavior, organizational culture and climate. She is currently working on her thesis regarding women employees’ voice behaviors in organizations. The main purpose of her thesis is to understand women’s voice in Turkish organizations, whether they are being heard or listened to.


Nilüfer Kont Aktaş

METU I/O Psychology Master Student

Nilüfer received her B.S. in Psychology from Middle East Technical University, where she is currently pursuing an M.S. in Industrial and Organizational Psychology. Alongside her graduate studies, she currently works as a Human Resources Specialist at Nurol Teknoloji, a subsidiary of Nurol Holding. Her research explores human–AI interaction in organizational contexts, with a particular interest in how employees use and respond to AI at work.


Atakan Okat

METU I/O Psychology Integrated Ph.D. Program Student

Before attending METU, Atakan received his B.S. in Psychology from TOBB University of Economics and Technology. He is currently studying towards her Ph.D. in Industrial and Organizational Psychology and also working as a Human Resources Specialist in the PtteM Teknoloji ve Elektronik Hizmetleri A.Ş. (known as PttAVM). He focuses his research on passive-aggressive work behavior (PAWB). Especially, how PAWB occurs in organizations in Turkey and how employees evaluate it through covert, indirect, and passive dimensions of aggression are discussed. The main purpose of the study is to create a Turkish measurement tool for PAWB and develop PAWB-focused training.


Batuhan Yalçın

METU I/O Psychology Master Student

Batuhan received his B.A. in psychology from The Faculty of Language and History-Geography, Ankara University and currently pursuing his M.Sc in Industrial and Organizational Psychology at METU. Alongside his current research on psychological safety, leadership intention, and personality; he holds an EFPSA Train the Trainer certification and is interested in training and consultancy. He focuses on transforming academic knowledge into practical applications across topics such as leadership, organizational culture, psychological safety, and employee well-being.