Psychologists
Our psychologists have different backgrounds and specialisms.
Tim Wind
Tim works as an independent clinical psychologist and psychotherapist with a PhD at POLARIS. He specializes in trauma-related complaints, anxiety complaints, depression and personality problems. Besides POLARIS, Tim works as a practitioner and program manager E-health at Centrum ’45, he is Senior Lecturer E-health at RINO Amsterdam and founder and director at Psyflix.
Chamber of Commerce: 72352426
Clinical psychologist BIG registration: 19917078025
Psychotherapist BIG registration: 19917078016


Janneke Ferwerda
Janneke is a clinical psychologist, psychotherapist and behavioral therapist. She specializes in the treatment of trauma-related complaints, anxiety complaints, self-image problems and personality problems. In addition, she has a lot of expertise and treatment experience in the field of psychotic complaints. In addition to her work at POLARIS, Janneke is affiliated with GRIP Psychologen as a practical trainer and as a teacher at Gedachten Uitpluizen. She is registered as a supervisor with the Association for Behavioral and Cognitive Therapy (VGCt), schema therapist and EMDR practitioner.
Chamber of Commerce: 71053646
Clinical psychologist BIG registration: 09912404025
Psychotherapist BIG registration: 2991240401
Suzan Ben Chamach
Suzan Ben Chamach works as an independent clinical psychologist and psychotherapist at POLARIS. She is registered as a cognitive behavioral therapist and supervisor VGCt, senior schema therapist and supervisor schema therapy and EMDR practitioner. Suzan specializes in the treatment of eating disorders, personality problems, trauma-related and anxiety complaints. In addition to her work for POLARIS, Suzan works as a clinical psychologist at Altrecht. She supervises psychologists in training to become GZ psychologist and cognitive behavioral therapist and she teaches at various postgraduate courses.
Suzan is currently not accepting new clients for treatment. If you have been treated by her before and you want to be treated again, you can contact her by email.
Chamber of Commerce: 73831808
Clinical psychologist BIG registration: 89910947225
Psychotherapist BIG registration: 19910947216


Annelieke van Dam
Annelieke works as an independent health care psychologist at POLARIS. She is also trained as a remedial educationalist and registered as a senior schema therapist, cognitive behavioral therapist VGCt and EMDR Europe practitioner. Annelieke is specialized in the treatment of trauma-related complaints, chronic internalizing problems and personality problems. She has extensive treatment experience with the target group of adolescents and young adults. In addition to her work at POLARIS , Annelieke works as a (directing) practitioner at the Care Express Amsterdam. She provides job counseling and lessons to psychologists in training to become GZ psychologists and is an independent supervisor for (GZ) psychologists in training and cognitive behavioral therapists in training.
Chamber of Commerce: 73484806
GZ-psychologist BIG registration: 59918292725
Tamar van Raalten
Tamar van Raalten works as an independent clinical psychologist and psychotherapist at POLARIS and holds a PhD in neuroscience. In working with the consequences of trauma, the world of the brain and of our behavior come together: trauma is about survival and being stuck in automatic patterns that were once necessary for protection. In a treatment, cooperation and connection are central: between body and mind, between thinking, feeling and doing, within yourself and with others. Tamar is registered as an EMDR practitioner and trained as a yoga teacher. In addition to expertise in the field of trauma-related complaints, Tamar has experience in treating psychotic complaints, eating problems, emotion regulation and self-image problems. In addition to her work for POLARIS, Tamar is a clinical psychologist at the Trauma and Transition treatment center at the Center for Transition and as a teacher she teaches psychotrauma in postgraduate courses as a health care and clinical psychologist at RINO Groep Utrecht.
Chamber of Commerce: 85448028
Clinical psychologist BIG registration: 59919304425
Psychotherapist BIG registration: 79919304416


Yolande Kat
Yolande Kat works as an independent clinical psychologist and psychotherapist at POLARIS. She is registered as a cognitive behavioral therapist and supervisor VGCt, junior schema therapist, EMDR practitioner and psychotrauma therapist. Yolande specializes in the treatment of trauma-related complaints, emotion and aggression regulation problems and personality problems. In addition to her work for POLARIS, Yolande works as a clinical psychologist at the Sinai Center. She supervises psychologists in training to become GZ psychologists and cognitive behavioral therapists and she teaches at the RINO Groep Utrecht. Yolande practices on Mondays from Utrecht or online.
Chamber of Commerce: 85485810
Clinical psychologist BIG registration: 19912330825
Psychotherapist BIG registration: 39912330816
Carlos Croes
Carlos is a clinical psychologist, psychotherapist, and cognitive behavioral therapist. He specializes in treating trauma-related symptoms, anxiety, depression, burnout, ADHD, self-esteem issues, unexplained physical pain, sexual problems, relationship issues, and personality disorders. Additionally, he has extensive expertise and experience in treating psychotic symptoms. In addition to his work at POLARIS, Carlos is affiliated with GGZ Centraal as a training supervisor, manager of a digital clinic, and a teacher at the Cognition and Psychosis Foundation. He is also the founder and teacher at the E-Health Academy. He is registered as a supervisor with the Association for Behavioral and Cognitive Therapy (VGCt), offers schema therapy, and is an EMDR therapist.
Chamber of Commerce: 94015427
Clinical psychologist BIG registration: 19066664825
Psychotherapist BIG registration: 39066664816
