He served as the Co-Director of Behavioral Health at the Steward Carney Hospital Family Medicine Residency Program and is co-founder of Ashmont Counseling Associates, Dr. Pierre served as the Mental Health coordinator for Generation Excel, , has provided mental health services to the Boston Public Schools and the Community Re-Entry Centers (DYS). He is a Board Member of the Massachusetts Psychological Association and co-chaired the Committee on Ethnic Minority Affairs (MPA). In addition, he serves as a Board Member for the Boston Ten Point Coalition. He has written scholarly articles that examine the relationship between racial identity and psychological stress. He co-authored the script to “Red Monster”, a film that seeks to illuminate the racial and psychological dimensions of sexual trauma in the lives of urban, African-American men.