Our Staff

James Roembke, Psy.D. – Senior Partner

James Roembke
Jim is a licensed psychologist. He is a long-term resident of the greater Washington area and over the last decade and a half, he and his family have made the Frederick community their home. He received his doctorate in clinical psychology from Biola University at the Rosemead School of Psychology. Jim believes that his life work is to walk with people through the losses and challenges of their lives. He primarily works with adults, both couples and individuals, who are seeking to effect significant, life-changing growth. With his extensive course work in theology, his clinical passion is melding these disciplines in an integrated approach to growth and healing. This enables those he works with to bring the richness and strength of their faith to impact their healing.  He also enjoys life and career coaching and related assessments to help people align themselves with their life work.

Margie Brubaker, M.A., L.C.P.C. – Associate Partner

Margie Brubaker
Margie is a licensed clinical professional counselor with undergraduate degrees in Bible and social work and a master’s degree in counseling from Rider University. She brings experience, compassion, and clarity to the lives of her clients, many of whom are women facing overwhelming demands and needing guidance in adjustment to change. Empowering people who face depression, anxiety, abuse, trauma, and poor self-understanding are her particular concerns. Along with integrating a personal faith component as clients may desire, Margie’s life calling and passion is to assist individuals, couples, and families in relational growth and meaningful life pursuits. As well, she conducts group therapy here at Vital Sources.

Jeeyoung Ahn, Psy.D. – Licensed Psychologist

Jeeyoung Ahn

Jeeyoung (pronounced G-young) is a licensed psychologist  specializing in child and adolescent clinical psychology. After finishing her doctorate in clinical psychology, she completed post-doctoral training in the area of child abuse and trauma. In addition she works with families and their children/ teens struggling with issues related to parenting skills, oppositional-defiant behaviors, ADHD, depression, anxiety, eating disorders, self-injurious behaviors, and other various emotional-behavioral problems.

Jeeyoung believes that a stable and healthy family can be established through examining the family system, strengthening effective parenting, and promoting healthy interactions between family members. By providing services such as individual-family therapy, psychological assessment, and consultation, Jeeyoung’s passion and vision is to restore, empower, and celebrate the gift and role of families in our current society.

Also, as a multicultural therapist, Jeeyoung is passionate and competent in helping families struggling with the issues of diversity and acculturation. As a clinician fluent in both English and Korean, she recognizes the impact of social-cultural variables on individuals and families, and enjoys working with the different challenges and unique qualities presented by each family.

Pamela Colborn, Psychology Associate

Pam Colborn
Pam is a graduate with a degree in pastoral counseling from Loyola University. Pam comes to Vital Sources with decades of experience having worked with families, youth, and children in the field of music therapy and special education.  At the heart of Pam’s work is her desire to walk side-by-side with those that are in hurting places, assisting them in gaining insight and finding new direction through the healing process. 

Mary-Eileen Hahn, M.S., L.C.P.C.

Mary-Eileen Hahn
Mary-Eileen is a licensed clinical professional counselor who works with individuals and couples across the life span. She received her clinical education at Loyola College in Maryland. Your history and life story is unique. Mary-Eileen invests time in getting to know yours in order to help you make sense of your present, while collaborating with you on the way forward into your future. Mary-Eileen integrates a Christian-based spiritual compassion with sound clinical psychology to inform her work. She values emotional understanding and trust, creating a safe place for therapy. M.E. welcomes individuals (men and women) struggling with life transition issues, anxiety and depression, grief work, emotion regulation, work/life satisfaction issues and relational concerns.

Aaron Heaton, Psy.D. – Licensed Psychologist

Aaron Heaton
Aaron is a licensed psychologist. He graduated with degrees in both Psychology and Biblical Literature from Azusa Pacific University, earned advanced degrees in psychology and clinical psychology from Marymount University and the American School of Professional Psychology, and has pursued advanced training in applied behavioral analysis, a modality well-suited to the treatment of children and adolescents. For over fifteen years, he has worked to develop a broad range of competence across the spectrum of clients and client concerns, strongly believes in a collaborative approach to treatment, and tends to rely on effective research-based methods of change.  Though practiced in the use of cognitive-behavioral and behavioral technologies, which show great promise in the treatment of disorders of anxiety and depressed mood, he also believes the relationship itself to be an essential ingredient to and catalyst for change. He has demonstrated successes with and warmly welcomes couples, families, blended families, single parents, and individuals across the lifespan.

Administrative Staff

Holly Thompson -Business Manager

Holly Roembke
Holly is our business manager providing  oversight to the overall functioning of the innerworkings of Vital Sources.  You may or may not have the need to talk with Holly.  She expertly handles the intricacies of insurance billing and patient account management.  She is thorough, detailed and experienced  in this area of service.  If you have questions regarding your account or insurance, she’s the one who can lead you through the maze of third party reimbursement (insurance!).  We often kid her that she teaches the insurance companies about their own policies, which, as you can guess, requires sensitivity, patience and diplomacy.  She is a long-time Frederick county resident, mother of three adult men and one daughter-in-law and is wife to one very contented husband.

Barbara Scott – Office Manager

Barbara Scott
Barb is our office manager and intake coordinator.  She keeps the office functional and organized and most importantly, she  professionally handles your initial calls of inquiry.  She will lead you through the process leading to your first appointment with a therapist here at Vital Sources.  You will experience her as kind, calm and exceptionally helpful as you navigate your way through these most important decisions.  She is a Frederick County resident, a mother of two adult children and is happily married to Tom.

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