• Nuttgens, Simon, Faculty of Behavioural Sciences, Yorkville University, Fredericton, NB, Canada
• O'Leary, K. Daniel, Stony Brook University, Department of Psychology, Stony Brook, NY
• Obál, Annabella, Department of Behavioral Sciences, University of Szeged, Szeged, Hungary
• Obine, Emmanuel A. C., Institute of Psychology, Business and Human Sciences, University of Chichester, Chichester, United Kingdom
• Ocnarescu, Ioana, Strate Research, Strate School of Design, Paris, France
• Odilavadze, Mariami, Department of Psychology, Ivane Javakhishvili Tbilisi State University, Tbilisi, Georgia
• Ogungbamila, Bolanle, Adekunle Ajasin University, Akungba-Akoko, Nigeria
• Oh, In-Sue, Department of Human Resource Management, Fox School of Business, Temple University, Philadelphia, PA, USA
• Oh, Sanghoon, Department of Psychiatry, Uijeongbu Eulji Medical Center, Eulji University School of Medicine, Republic of Korea
• Ojelabi, Adedokun, Faculty of Health Sciences and Wellbeing, University of Sunderland, Sunderland, United Kingdom
• Olafsdottir, Anna S., School of Education, University of Iceland, Reykjavik, Iceland
• Oláh, Attila, Department of Personality and Health Psychology, Institute of Psychology, Eötvös Loránd University, Budapest, Hungary
• Olaru, Iuliana Denisia, EJOP Senior Editor; University of Bucharest, Bucharest
• Olivari, Maria Giulia, Psychology Department, CRIdee, Università Cattolica del Sacro Cuore, Milano, Italy
• Olivari, Maria Giulia, Department of Psychology, CRIdee, Università Cattolica del Sacro Cuore, Milano, Italy
• Olivari, Maria Giulia, Università Cattolica del Sacro Cuore, Department of Psychology, CRIdee, Milano, Italy (Italy)
• Olmeda, Natalia, Department of Psychology, University of Castilla-La Mancha, Albacete, Spain
• Olson, James M., University of Western Ontario
• Olsson, Cecilia, Department of Food and Nutrition, Umeå University, Umeå, Sweden
• Omar, Alicia, National Scientific and Technical Research Council (CONICET) - Research Institute, School of Humanities and Arts, National University of Rosario, Rosario, Argentina
• Ommundsen, Reidar, Department of Psychology, University of Oslo
• Onorato, Raffaella, Department of Humanistic Studies, Federico II University, Naples, Italy
• Oosthuizen, Rudolf M., Department of Industrial and Organisational Psychology, UNISA, Pretoria, South Africa
• Oprescu, Ioana, National Institute of Aeronautical Medicine, Bucharest , Romania
• Orgambídez-Ramos, Alejandro, University of Algarve, Faro, Portugal; Research Center for Spatial and Organizational Dynamics, Faro, Portugal
• Orkibi, Hod, Graduate School of Creative Arts Therapies, University of Haifa, Haifa, Israel
• Orosz, Natália Zsuzsanna, Department of Social Psychology, Faculty of Education and Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
• Ortner, Catherine Nicole Marie, Department of Psychology, Thompson Rivers University, Kamloops, Canada
• Ostwald, Dirk, Institute of Psychology, Research Methods, Otto von Guericke University Magdeburg, Magdeburg, Germany
• Otto, Kathleen, Department of Work and Organizational Psychology, Philipps University of Marburg, Marburg, Germany
• Oviedo-Trespalacios, Oscar, Delft University of Technology, Faculty of Technology, Policy and Management, Section of Safety and Security Science, Delft, The Netherlands
• Owolabi, Ademola B., Department of Psychology, University of Ado-Ekiti, Nigeria
• Özdemir, Gamze, Psychology Department, Çanakkale 18 Mart University, Çanakkale, Turkey
• Öztürk, Ahu, Psychology Department, Bursa Uludag University, Bursa, Turkey
• Ozturk, Yagmur, Department of Brain and Behavioral Science, University of Pavia, Pavia, Italy
• Özü, Öykü, Celal Bayar University, Demirci, Manisa, Turkey
• O’Keefe, Victoria M., Department of Psychology, Oklahoma State University, Stillwater, United States
• O’Neil, Adrienne, School of Medicine, Deakin University, Geelong, Australia; School of Public Health and Preventive Medicine, Monash University, Melbourne
• O’Toole, Shawn M., Ithaca College
• Paál, Tünde, Independent researcher
• Pace, Ugo, Faculty of Human and Social Sciences, Kore University of Enna, Enna, Italy
• Pacheco, Andreia, Department of Psychiatry and Mental Health, Hospital Center of Algarve, Faro, Portugal; Research Centre for Spatial and Organizational Dynamics (CIEO), Faro, Portugal
• Pacini, Adele, University of East Anglia
• Pačutová, Alexandra, Institute of Applied Psychology, Faculty of Social and Economic Sciences, Comenius University in Bratislava, Bratislava, Slovakia
• Pagán, Brian, University College Maastricht
• Page, Timothy, School of Social Work, Louisiana State University, Baton Rouge, LA, USA
• Palamaru, Iliana, Senior researcher, Department of Food Hygiene and Nutrition, Institute of Public Health, Iasi, Romania
• Palardy, Véronique, Department of Psychology, Université du Québec à Montréal, Montreal, Canada
• Palermiti, Anna L., Department of Cultures, Education and Society, University of Calabria, Rende, Italy
• Palermiti, Anna Lisa, Department of Cultures, Education and Society, University of Calabria, Arcavacata di Rende, Italy