About me


Background and Education

Dr. Annkatrine Liegmann Gates is a Licensed Clinical Psychologist in private practice located in Cambridge, Massachusetts. Dr. Gates was born and raised in Northern Germany and immigrated to the United States as a young adult. She received her A.L.B in Psychology from Harvard University and her Doctorate in Clinical Psychology (PsyD) from William James College (formerly the Massachusetts School of Professional Psychology -MSPP) in Newton, Massachusetts. Dr. Gates works primarily with Adults in individual, couple, and group therapy. Her expertise include: Identity Quests by exploring family, relational, and existential issues; Trauma-informed therapy; and Stepfamily Dynamics therapy and consultation.


Dr. Gates completed internships at: (a) The Bromfield School (Harvard, Massachusetts), providing psychotherapy and assessment for children and adolescents; (b) Bournewood Hospital (Brookline, Massachusetts) with a focus on individual and group treatment of Psychoactive Substance Use Disorders and Trauma, including alcohol and opioid dependence, childhood sexual, emotional and physical abuse, and adult abuse; and (c) Brandeis University (Waltham, Massachusetts), where she completed a two-year internship as well as her post-doctoral fellowship, with a treatment focus on Mood and Anxiety Disorders, including Bipolar Spectrum Disorders and Major Depressive Disorder, ADHD, PTSD, Autism Spectrum Disorder, Schizophrenia Spectrum and other Psychotic Disorders, and Cultural as well as Racial Identity awareness and development. 


Dr. Gates completed a post-graduate fellowship at the Massachusetts Institute for Psychoanalysis and has undergone various informal training in the United States and Europe, including psychodynamic trauma treatment as well as ongoing multicultural and racial (trauma and identity) awareness and skills training. In addition, Dr. Gates has researched and written about stepfamilies and is a certified Stepfamily Foundation Coach. 


- American Family Therapy Academy (AFTA)

- American Psychological Association (APA)

- Massachusetts Institute of Psychoanalysis (MIP)

- Massachusetts Psychological Association (MPA)

- Northeastern Society for Group Psychotherapy (NSGP)

License #: 11017


Today, Dr. Gates lives in Cambridge, Massachusetts with her husband, four step- and two biological children.