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.

From 2008-2013 she was part of the faculty of the Initiative on Transforming Trauma at the Garrison Institute in New York led by Diana Rose and Sharon Salzberg. She co-authored a manual for mental health clinicians with Dr. Lisa Fortuna, “Treating Co-occurring Adolescent PTSD and Addiction: Mindfulness-Based Cognitive Therapy for Adolescents with Trauma and Substance-Abuse Disorders,” published in October 2015. Ms. Vallejo co-authored a curriculum with Dr. Hortensia Amaro: “Moment-by-Moment in Women’s Recovery: A Mindfulness-Based Relapse Prevention Program,” published in 2008. Ms. Vallejo was born in Colombia, South America and completed her Bachelors of Science in Psychology at Loyola University in Chicago and a Master’s degree in Political Economics at Oxford University in England. She has been practicing meditation and yoga since 1978.