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About Us

Vivian A. Shelton, Psy.D.

Dr. Vivian A. Shelton is the Director of Evolutionary Wellbeing and a Licensed Clinical Psychologist specializing in treatment for adults, youth & children, and maintains a private practice in McLean, Virginia.

With over 15 years experience as a therapist,  and as a graduate of The American School of Professional Psychology (Honolulu, APA accredited) specializing in Clinical Psychology, she is currently serving as private practitioner working with a broad spectrum of clients in McLean, Virginia.  Early in her career she specialized working with children, adolescent, and family populations with particular emphasis in trauma and abuse, eating disorders, and cross-cultural issues.  Over the years, Dr. Shelton has provided treatment for adults and children in Washington DC, Hawaii, Massachusetts, and Virginia in settings including inpatient, outpatient, private practice, and schools for children with emotional/behavioral problems and learning disabilities.  She has also worked with military personel and their families in Hawaii and ex-patriots overseas. During a 5-year professional hiatus, she lived in Central Asia and provided pro-bono therapy and consultation to ex-patriots and local individuals.  Her overseas experience in conjunction to her work in Hawaii and Washington DC has enhanced her understanding and work with people of diverse racial, ethnic, cultural, and religious backgrounds, particularly as it relates to assimilation, acculturation, and re-entry.

While in Massachusetts, Dr. Shelton worked on a Bariatric Treatment Team where she provided educational workshops, psychological evaluations, and conducted post surgery support groups to patients undergoing weight loss surgery. Her interest in obesity extends not only to people who consider surgery as a treatment option, but those interested in losing weight and living a healthy well-balanced life without surgical intervention.  She is particularly knowledgable and sensitive to issues associated with obesity.  To continue her professional development in this area, she is an integrated health member of the American Society for Metabolic and Bariatric Surgery and the Nutrition and Metabolism Society. Dr. Shelton presented at the Ancestral Health Symposium in Los Angeles, CA in August 2011, Boston, MA in August 2012, and Atlanta, GA in 2013.

Dr. Shelton uses diverse approaches to help her patients become the most fully themselves, achieve overall health and wellness, and live a life that they love. Dr. Shelton treats a variety of psychological disorders and adjustment related problems to include but not limited to mood disorders, anxiety, low self esteem, trauma, abuse, and issues related to relationships and career problems. With children and adolescents she is particularly skilled with working with those resistant to therapy and who have problems with emotional regulation, behavior management, attachment issues, and school adjustment problems.  Dr. Shelton has special interests in obesity, body image, and bariatric patient populations. Dr. Shelton provides individual psychotherapy, play therapy, couples therapy, family therapy and group psychotherapy.  She conducts psychological evaluations for bariatric patients as is required prior to surgery.  She is also available for consultation and trainings. 

Dr. Shelton offers a highly personalized approach tailored to each client. With compassion and contextual understanding, she works with each individual to help them build on their strengths and attain the personal growth they are committed to accomplishing.  

Dr. Shelton's approach is relaxed, yet professional, and she provides a warm and inviting atmosphere in which individual’s can feel comfortable and heard. Confidentiality and privacy are of the utmost importance in Dr. Shelton's work with clients,  & collaborative, cooperative work with clients is key.


John Leso, Ph.D.

Dr. John Leso has over 20 years of experience as a licensed psychologist and has provided a broad range of psychological services worldwide through his work with the U.S. Army and the U.S. Department of State.  He served on the faculties of the U.S Army Medical Department Center and School and the U.S. Army School of Aviation Medicine, and he was the Chief of Health Psychology Services at Walter Reed Army Medical Center.  He is experienced in crisis intervention and was a first responder following the September 11, 2001 attack on the Pentagon.

Dr. Leso works primarily with adults and encourages clients to explore and achieve their personal best, leveraging their strengths in a collaborative, goal-oriented approach.  Using cognitive-behavioral and mindfulness techniques, Dr. Leso has successfully helped clients with presenting issues spanning from severe depression and suicidal ideation to relationship problems, grief and loss and career transitions.  He is experienced in cross cultural, LGBT and diversity issues, is fluent in Spanish and has specialized training in cross cultural psychology.  A firm believer in the link between physical and mental health, Dr. Leso is an avid yoga practitioner and registered Power Yoga instructor and has offered workshops on mind-body fitness, healthy living and maximizing personal potential.

Dr. Leso has a Bachelor’s Degree from Johns Hopkins University, a Master’s Degree from the University of Florida and a Ph.D. from the State University of New York at Albany.

Yvette Mitchell, LCSW, LICSW

Yvette Mitchell comes to Evolutionary Wellbeing with over ten years of social work experience. Prior to beginning private practice, Yvette worked within employee assistance programs, where she provided crisis intervention counseling, psychotherapy, substance abuse assessments, and wellness trainings for client companies.  Additionally, Yvette has co-facilitated social skills therapy groups for children and facilitated therapy groups for children, adolescents, and adults regarding topics such as emotional intelligence, self-esteem, and coping skills. Most recently, Yvette served as a therapist and program manager within an inpatient unit and partial hospitalization program in Northern Virginia.  In these roles she provided individual, family, and group therapy, and was responsible for the oversight of an exposure therapy program. Yvette currently provides individual psychotherapy to those suffering with eating disorders and is available to provide consultation and psychoeducation to school administrators and parent groups, as well as for family members who are seeking to learn more about eating disorders and treatment options.  In addition to treating individuals impacted by disordered eating, Yvette also provides psychotherapy to children (ages 10 and above), adolescents, and adults who are addressing issues such as anxiety, depression, substance abuse, life transitions, low self-esteem, poor body image, social skills, and emotional intelligence.

Yvette utilizes an integrative and strengths-based approach to psychotherapy, including cognitive behavioral therapy and mindfulness practices. Understanding that making a decision to seek help can be difficult, Yvette works closely with every individual to create an environment where clients can safely explore unhealthy thought patterns and/or behaviors. It is her hope, that through therapy, clients will empower themselves to manage day-to-day challenges independently so that they may live more balanced and authentic lives.

Yvette holds a Bachelor of Social Work degree from the University of Texas at El Paso and a Master of Social Work degree from the University of Maryland. She is recognized as a licensed clinical social worker by the Commonwealth of Virginia and the District of Columbia and is a certified children’s yoga instructor. During her downtime, Yvette enjoys spending time with family, listening to any kind of live music, and running.









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