OUR TEAM 2019-05-29T03:14:30+00:00

Our Valuable Staff Members


Marjorie Landron

ceo@myhealingtree.com, Psychology today

Marjorie Landron is a LCSW, certified anger management specialist II and founder of The Healing Tree Wellness Center. Marjorie specializes in Anger Management, Depression, Anxiety, Trauma, and PTSD. She obtained her Master’s degree from the University of Southern California with a concentration in Mental Health and sub-concentration in Military and Veteran Social Work. She is currently pursuing her doctorate’s degree in Social Work. Marjorie is an active member of the NASW (National Association of Social Workers), the APA (American Psychological Association), and NAMA (National Anger Management Association). She was given the Rising Star in Social Work Award in 2016. She is bilingual in English and Spanish.


Tracy Campbell

COO, Co-Founder, CAMS-I

Tracy Ian Campbell is known amongst friends and colleagues as a strategist extraordinaire. He is an anger management specialist I and the son of a world-renowned Las Vegas style showman, Tracy used his entrepreneurial talents with Aston Roberts & Associates, a boutique investment-banking firm, where he held numerous senior positions; American Express Financial Advisors, where he received his Series 7-63- 66 variable contracts licenses.
Tracy also partnered with Indigenous Wealth Consulting (IWC), and worked alongside the Internal Revenue Service’s Tribal Governments division to have one of his strategies enacted into tribal law for the San Manuel Band of Mission Indians.

Sherry Sheffield


Sherry Sheffield earned her Bachelors degree in the fields of Human Services in 2009 upon which she pursued a career with the Department of Children and Family Services. She then went on to earn her Masters of Arts in Community Counseling in 2013 upon which she currently practices as a Clinical Professional Counselor Intern and a Licensed Alcohol and Drug Counselor. Sherry is currently pursing her Doctorates at Walden University studying Sociology. She specializes in Healthy Relationships and working with survivors of domestic violence and recently earned her Level I certification as a Reiki Spiritual Healer. Sherry enjoys working with children, families and populations of clients afflicted with sever mental illness. Her motto she lives by is:

“Life is a journey and a process; we must enjoy the journey and trust the process by taking one step one day at a time.”

-Sherry S. Sheffield, MA CPC-Intern LADC

Dominique Wilson


Dominique is a Clinical Professional Counselor Intern who works with children, adults, individuals, and families using an eclectic approach tailored to the unique needs of each new client.

Dominique has experience in working with high risk population. She was a crisis worker in Tucson, AZ assisting first responders by completing assessments and making placement recommendations for individuals who were suicidal, homicidal, or who were experiencing psychotic symptoms. Dominique also completed assessments for the mental health court system and made recommendations that influenced court mandated treatment.

Dominique has experienced working with children as crisis worker as well as being a former child protective service investigator where she assessed children’s safety and assisted parents in meeting their court mandated service plans.

Dominique received her undergraduate degree in psychology from St. Mary’s University in San Antonio, TX. As an undergraduate student, Dominique excelled in her psychology courses and was able to teach undergraduate psychology courses, complete behavioral research working with Beluga Whales, and published in academic journals. As a graduate student at the University of Arizona, Dominique continued in research exploring the impact of school police officers on school safety while completing her Master’s Degree in Mental Health with an emphasis on disability studies. Dominique’s love for helping other hand drive for knowledge bolstered her desire to become a Certified Rehabilitation Counselor, allows her to work with individuals with mild, moderate, to severe disabilities.