About Us

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Unlimited Bounds Human Services is licensed by the Department of Health and Mental Hygiene of the State of Maryland. As an outpatient behavioral health agency, our staff has over 50+ years of collective experience improving the lives of individuals in need of a second chance.

Key Personnel Bios

Markis Johnson
Founder and CEO

Markis Johnson is the CEO of Unlimited Bounds Human Services LLC which he founded on November 5, 2007 as Unlimited Bounds Youth Services LLC. With a passion for mentoring the youth of Baltimore, Mr. Johnson contracted with the Maryland Department of Juvenile Services to work with young people with behavioral health issues. In 2011, Unlimited Bounds Youth Services adopted the medical model while integrating holistic models to provide behavioral health care for children and adults as a means to better serve families and communities as a whole via Psychiatric Rehabilitation.

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Dr. Marvin Brown
Director of Substance Abuse Services

Dr. Marvin Brown is a licensed Clinical Alcohol and Drug Counselor who has been in the substance abuse treatment field for over 30 years. He holds a Ph.d in General Psychology and earned his Metaphysical Science Doctorate (Msc.D) to balance both the scientific and spiritual approaches to addiction treatment.

In addition, Dr. Brown is a certified facilitator of Moral Reconation Therapy (MRT), licensed cognitive behavioral specialist, adjunct professor at Lincoln University, and a certified treatment coordinator.

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Denise Christopher, MS, MBA
Compliance and Program Director

Denise Christopher has years of experience in community based behavioral health programs including those serving individuals with dual diagnoses, such as those with developmental disabilities and behavioral health disabilities, substance use disorders and behavioral health disabilities, and those with complicated somatic issues and behavioral health disabilities. Additionally, Ms. Christopher has directed services for individuals in forensics. Ms. Christopher has a BA in Social Work, a MS in Health Care Administration, and a MBA.

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Dr. Bethanne L. Moore, MD
Director of Medical Services

Dr. Bethanne L. Moore, MD is a child, adolescent and adult psychiatrist who practices in Maryland. She earned her medical degree from Yale University School of Medicine. She completed her adult psychiatric training at Hahnemann University and received training as a child and adolescent psychiatrist at Harvard University.

Dr. Moore has a broad range of clinical experience. Her expertise includes school consultation, foster care treatment and evaluation, psychopharmacological treatment, insight oriented psychotherapy, organizational consultation, and executive coaching. Dr. Moore also integrates technology with patient care through her application of telepsychiatry.

Download her full bio [ here ]