John Callender (psychiatrist)

John Callender is a psychiatrist known for his contributions to the understanding and treatment of personality disorders, particularly borderline personality disorder (BPD). He has published extensively on the topic, focusing on dialectical behavior therapy (DBT) and its application in both individual and group settings. Callender's work emphasizes the importance of validation, mindfulness, and skills training in helping individuals with BPD regulate their emotions and improve their interpersonal relationships. He is also recognized for his expertise in the differential diagnosis of personality disorders and the integration of psychopharmacological interventions with psychotherapy. His research often explores the long-term outcomes of DBT and other evidence-based treatments for personality disorders. Callender is frequently involved in training and consultation for mental health professionals seeking to enhance their skills in treating complex psychiatric conditions.