Our Staff

Long Hin "Jacky" Siu, LMHC

Staff Counselor


Jacky is experienced in providing individual and group therapy across the age range. He is a licensed professional counselor with a Masters degree from Plymouth State University in New Hampshire, and also studied music at the University of Iowa. He applies positive and holistic practices to understanding the concerns and goals of those he treats. He works with those struggling with life transitions, clients struggling to adapt to new challenges academically and culturally, and those struggling with trauma and addictions. Approachable and easy going, Jacky uses humor and compassion in applying evidence based practices that are focused on results and positive growth in his clients. Jacky works in the Massachusetts offices of OptiMindHealth at both our Coolidge Corner and Back Bay locations.