As a multidisciplinary team of professionals in the fields of psychology, psychiatry, nursing, social work, and counseling, we cherish individual human life with dedication and passion. We have all completed rigorous intensive DBT team training in Seattle and are committed to the professional ethical standards of the American Psychological Association to maintain the utmost qualification to protect human lives.


Yong Cho, Ph.D. | Chief Executive Officer

Yong Cho, Ph.D.

• Licensed Clinical Psychologist in New York
• CEO / the Tree Group
• President / Open Clinic for Human Rights Victims
• Adjunct Professor / Ewha Women’s University


Dr. Cho is the CEO of the Tree Group. He is a licensed clinical psychologist in the state of New York. He graduated from the University of Utah and received his doctoral degree in Clinical Psychology at the New School for Social Research in New York. He started his clinical training at Beth Israel Medical Center and was trained extensively at the Zucker Hillside Hospital/ North Shore Long Island Health System.

He established the Tree Group in 2003 to provide evidence-based psychological services in New York and in Seoul. With dedicated support from distinguished psychologists in the U.S., the Tree Group accomplishes its mission of relieving the suffering of its clients and of educating and training future clinicians with true compassion.

His expertise in the field of cultural psychology and transcultural mental health was noted in the New York Times (2003) and he has been providing ethical services to culturally diverse clients. His professional specialties also allow him to reach out to the survivors of human rights violations and sexual assault at the Open Clinic for Human Rights Victims, a non-profit organization.


Songhee Chae, M.A. | Vice-President of the Tree Group / Professional Psychotherapist

Ms. Chae, the Vice-President of the Tree Group and a professional psychotherapist, graduated from Ewha Women’s University with a degree in Psychology and received her master’s degree at the same university. She received clinical training from the Tree Group and its affiliated institution, EBTCS (Evidence-Based Treatment Center of Seattle). She further completed DBT (Dialectical Behavioral Therapy) training in Behavioral Tech. She is an expert in DBT and PE (Prolonged Exposure) treatment and focuses on BT (Behavioral Therapy) and CBT (Cognitive Behavioral Therapy) for children, adolescents, and adults. She also treats sexual violence survivors and other clients with trauma. She is an advisor for other related institutions and groups as well.  

– B.A. in Psychology at Ewha Women’s University   
– M.A. in Psychology at Ewha Women’s University   
– Received clinical training from EBTCS (Evidence-Based Treatment Center of Seattle)  
– Received DBT training from Behavioral Tech in the US 
– Co-author of a psychotherapy novel “The Seven Room”  


Seungha Lee, MSc | Manager of DBT Center of Korea and the International Psychological Services / Psychotherapist, Active Learning Specialist

Ms. Lee is a psychotherapist and the manager of DBT Center of Korea and International Psychological Services (IPS) at the Tree Group. She graduated from McGill University with a degree in Psychology and received a master’s degree with a Distinction in Child Development at University College London. Her research at University College London focused on inhibition in early vs. late bilinguals. She also has a TESOL (Teaching English to Speakers of Other Languages) certificate. She conducts behavioral therapy and cognitive behavioral therapy for children and adolescents under IPS and DBT. She also educates bilingual children, adolescents, and adults under ALC.

– B.A. in Psychology at McGill University  
– MSc in Child Development at University College London  
– TESOL (Teaching English to Speakers of Other Languages) Certificate 


Seonghae Jeon, M.P.A. | Manager of Active Learning Center / Active Learning Specialist 

Ms. Jeon is an Active Learning Specialist and the manager of the School of Life – Active Learning Center (ALC) at the Tree Group. She graduated from the State University of New York-Binghamton University with a degree in mathematics and received her Masters in Public Administration at the same university. She received a TEFL (Teaching English as a Foreign Language) certificate from the International TEFL Academy and taught English and Korean in the New York YMCA and in Tokyo Language School. She worked as an advisor in the Office of International Services and institutions for Asian immigrants in New York, helping international students and immigrant communities. She educates bilingual children, adolescents, and adults under ALC.

-B.A. in Mathematics at the State University of New York_Binghamton University  
– M.P.A. at the State University of New York_Binghamton University  
– TEFL Certificate at International TEFL Academy 


Mirin Yang, M.A. | Manager of the International Psychological Services / Psychotherapist, Active Learning Specialist

Ms. Yang is a psychotherapist and the manager of International Psychological Services (IPS) at the Tree Group. She graduated with degrees in Criminology and Psychology from the Royal Holloway University of London and received her master’s degree in Global Criminology at Utrecht University in the Netherlands. At the Royal Holloway University of London, she researched youth awareness of substance abuse, and at Utrecht University, she researched online hate crime. She conducts behavioral therapy and cognitive behavioral therapy for children and adolescents under IPS. She also educates bilingual children, adolescents, and adults under ALC.
 
– BSc in Criminology and Psychology at Royal Holloway University of London 
– M.A. in Global Criminology at Utrecht University 


Seungmin Lee, B.A. | Active Learning Center Coordinator / Active Learning Center Specialist 

Ms. Lee is an Active Learning Specialist and coordinator for IPS at the Tree Group. She graduated with a degree in Psychology from Wellesley College in the US, and conducted cross-cultural research analysis. She educates bilingual children, adolescents, and adults under ALC.

– B.A. in Psychology at Wellesley College 
– Research Assistant at Wellesley College Psychology Department 


Jungmin Kim, M.A. | Active Learning Center Coordinator / Active Learning Specialist

Ms. Kim is an Active Learning Specialist and Active Learning Center Coordinator at the Tree Group. She graduated with a double major in Art & Design and History of Art from the University of Michigan. She received her Master’s in Art Therapy at New York University. She interned at the New York-Presbyterian/Weill Cornell Medical Center Psychosocial Rehabilitation Department and Mount Sinai Kravis Children’s Hospital Creative Arts Therapy Department. She educates bilingual children, adolescents, and adults under ALC.

– B.A. in Art & Design and History of Art at University of Michigan
– M.A. in Color Design at Ewha Womans University
– M.A. in Art Therapy at New York University
– Studying at UC Santa Barbara Professional & Continuing Education, Applied Behavior Analysis
– New York University Department of Teaching and Learning, Research Assistant
– Intern at New York-Presbyterian/Weill Cornell Medical Center Payne Whitney Clinic
– Intern at Mount Sinai Kravis Children’s Hospital


Dr. Marsha Linehan, DBT Center of Seattle, and DBT Center of Korea

The Tree Group Clinicians