Ms. Vallejo is an adjunct faculty member and part of the Supervisory Team and Certification Review Board at the Center for Mindfulness in Medicine, Health Care and Society at the University of Massachusetts Medical School. She is currently a faculty member at the Department of Psychiatry at the University of Massachusetts Medical School.Since 2006 she has been training professionals who aspire to teach the Mindfulness-Based Stress Reduction (MBSR) program. From 2015 - 2017, she was part of a team at the Center for Mindfulness and Compassion at Harvard University Medical School’s Cambridge Health Alliance, developing a curriculum for mindfulness training in primary care. From 2009 through 2015, Ms. Vallejo taught mindfulness classes at the Massachusetts General Hospital, a Harvard University teaching hospital, which incorporated brain MRI’s into the research of experts in different fields.