Kristie Plumb received her Bachelor's Degree in psychology from the University of New England and a Master's Degree in clinical mental health counseling from Lesely University. She is a licensed Clinical Mental Health Counselor (LCMHC) and a Licensed Alcohol and Drug Counselor (LACD) in New Hampshire. She is a member of the American Mental Health Counselors Association and the New England Center for Existential Therapy.

In addition to specializing in the treatment of addictions, Kristie provides treatment for anxiety, depression and self-esteem issues, in both individial and group therapy modalities. Kristie also provided bereavment counseling and education on the death and dying process. She has held positions at Greater Nashua Mental Health Center and completed internships at Hospice Volunteers of Saco Valley, Merrimack Valley Hospice and has worked as a primary clinician at Habit Opco.