Tammy (105 Gibson Counselling Service Clinical Director) is a Clinical Psychologist, a Registered Psychotherapist, and a Registered Marriage and Family Therapist and a Clinical Member and Approved Supervisor with the Ontario Association for Marriage & Family Therapy (OAMFT), and American Association for Marriage & Family Therapy (AAMFT).

She obtained her B. Soc. Sc. in Psychology and M. Soc. Sc. in Educational Psychology from Hong Kong University, M.Div. in Counseling from Tyndale University College & Seminary, and PhD in Clinical Psychology at Fielding Graduate University, an APA accredited program in the United States.

Before migrating to Canada, she worked in Hong Kong as an Educational Psychologist. After coming to Canada, she worked for the Family Services of York Region as a Psychotherapist and Clinical Supervisor. She is now working in private practice in Markham. She provides individual, couple and family assessments and treatments to clients from diverse backgrounds and with different presenting issues.