Dr. LaNail R. Plummer

Chief Executive Officer



As a leading professional in the mental health field, Dr. LaNail R. Plummer is committed to improving the lifestyles of others through the aspects of mental health and character development. A  United States Military Veteran and the CEO and Clinical Director of Onyx Therapy Group -- an organization she founded in 2013 -- Dr. Plummer has over 15 years of experience working with a  multitude of clients and specializing in the care of young women; the Black community; and members of the LGBTQ+ community. Grounded in the values of integrity and awareness, Dr.  Plummer believes that emotional, spiritual, and cultural healing is attainable for all.


As the CEO of Onyx Therapy Group, Dr. Plummer and her team of counselors and consultants aim to create a company whose mission is centered on addressing mental health issues, disparities, and inequalities in communities, organizations, and individuals in need. With 8 clinical locations throughout Maryland, Pennsylvania, and DC, Dr. Plummer and her team specialize in a range of theories, therapies, and various educational models of training and learning that focus on the critical race theory and culturally sustaining pedagogy. Combining her experiences from the military, school/ community leadership, parenting, and her work as a university faculty member, Dr. Plummer strives to provide a safe space with the best services available for her clients.


As a researcher, Dr. Plummer explores the experiences of Black Women in clinical and supervision settings with the goal of creating a grounded theory that best suits the needs of Black Women in a  

range of professions. Additionally, Onyx Therapy Group provides direct consultation to local and federal government agencies while providing models and structures that allow them to support their frontline mental health teams. With her knowledge of clinical frameworks and counseling, along with expertise in clinical supervision, small business/private practice start-ups, and spiritual techniques, Dr. Plummer has lent her expertise to international and nationally recognized conferences.


Dr. Plummer is an Assistant Professor/Lecturer at Johns Hopkins University and has been featured on CNN, ABC7, NBC4, Great Day Washington, and NBC News. She is the 2020 recipient of the TAGG Magazine Enterprising Woman award, and was named as an honoree for the 40 Under 40 Award through the Center of Leadership and Excellence.


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