• Certification:  Internal Family Systems #CSL-2044.
  • Certification: Somatic Experiencing Practitioner (SEP)
  • MA in Art Therapy: Clinical Applications of Art Psychotherapy from University of Barcelona. 
  • B.A. with Honors, Summa Cum Laude from New York University, in Anthropology


Advanced Clinical Training

  • Internal Family Systems- Level 1 (2022) and Level 2 (2024)
  • Somatic Experiencing Practitioner (SEP) Training (2014-2019)
  • Acceptance and Commitment Therapy (ACT) Level II Workshop with Steven C. Hayes (2017)
  • Certified Parenting Journey Facilitator through The Parenting Journey Training Institute (2008)


Selected Presentations

  • Portas, G. (2022) “Growing up: Integrating Somatic Experiencing and Art Therapy into Culturally Competent Practice.” National Institute for Psychotherapies; New York, NY.
  • Portas, G & K. Diaz (2019) “Revisiting Multi-cultural, Multifamily Art Therapy Groups” (VIII Congress on Migration and Mental Health, Athena Network, New Paltz, NY)
  • Portas, G. (2018) “Art Making and Emergent Play” (Association for the Healing power of the Imagination Annual Conference)
  • Portas, G & K. Diaz (2015) “Art Bridging Cultures: A Multifamily Chinese and Latino Art Therapy Group” (American Art Therapy Association Annual Conference)
  • Portas, G. (2012). “Art Therapy in Acute Psychiatry” (Metafora Center for Art Therapy , Barcelona, Spain)
  • Portas, G. (2012) “Cultural Diversity issues in Clinical Practice” (Jamaica Hospital Medical Center)



  • Creative Arts Therapist; New York LCAT # 001343-1
  • Allied Mental Health Professional; Vermont Credential # 097 0135632


Professional Affiliations

  • American Art Therapy Association (AATA)
  • New York Art Therapy Association (NYATA)
  • Internal Family Systems Institute
  • Hudson Valley Guild of Mental Health Professionals