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Lorrie L. Beyerl, LPC, NCC

Lorrie Beyerl

Lorrie is the founder of GPCC, she opened the practice in 2003. GPCC is the longest established private practice in the Gainesville, Haymarket, Bristow area.

She is licensed by the Commonwealth of Virginia as a Licensed Professional Counselor and is nationally certified by the National Board of Certified Counselors.

Lorrie received her bachelor’s degree with a double major in Psychology and Social Sciences; and a master’s degree in Counseling Psychology from Radford University.

She is an active of member of Psi Chi, The National Honor Society in Psychology.

Lorrie has 20 years of clinical experience. She has worked as an elementary school counselor and a private practice therapist in Northern Virginia.

Her strengths are working with individuals, adolescents and families dealing with issues of depression and anxiety as well as stress management, coping and communication skills, adjustment issues and Women's Issues. Lorrie is also a Lyme Literate Therapist.

Lorrie currently resides in Gainesville with her husband and children.

Maureen Amiryar, LCSW

Maureen Amiryar

Maureen obtained her undergraduate degree in Sociology from York College of Pennsylvania in 1998. Maureen earned her MSW from Virginia Commonwealth University in 2002. Maureen is a Licensed Clinical Social Worker who is experienced working with children, adolescents, and adults.

She has worked with families troubled by substance abuse, mental health disorders and legal issues during her career with the child welfare system in the counties of Arlington and Fairfax, Virginia. More recently, Maureen has been working with individuals and families in the private practice setting.

She uses directive and non-directive play therapy techniques with young children as well as task-centered, solution-focused and cognitive-behavioral techniques while working with older children and adults.

Maureen enjoys helping families grow in the areas of parenting, adjusting to change and communicating effectively. Maureen believes that everybody has the ability to conquer the difficulties they experience in life and come out a stronger person on the other end.

Maureen is a member of the National Association of Social Workers and has a level 1 certificate in sandtray play therapy.

Maureen lives locally with her husband of 10 years and two boys.

Terri McDermott, LSCW

Terri McDermott

Terri received her Master’s Degree (MSW) from Virginia Commonwealth University in 2000 and is a Licensed Clinical Social Worker in the State of Virginia. Terri is a member of the National Association of Social Workers.

Terri works with adults, teenagers, and seniors, seeking individual, couples, family or group counseling. Terri uses a variety of complementary therapy approaches and techniques to identify long-standing behavior patterns or negative beliefs that may be holding you back from experiencing a more fulfilling and meaningful life. Terri focuses her approach on what will work best for each individual client, determining the therapy approach in consultation with the client. These approaches include:

  • Cognitive Behavioral Therapy in conjunction with understanding a client’s past attachment history
  • Grief counseling using a structured approach to grieving
  • Couples Counseling to enhance communication and connection
  • Enhancing individual communication skills and behaviors to improve struggling relationships
  • Parenting education and help to address tough parenting issues
  • Whole-person approach to tackling depression and anxiety
  • Dialectical Behavior Therapy techniques.

Terri approaches therapy from a strengths-based perspective and believes that everyone has the ability within them to lead a more content and fulfilled life. If you’re looking for extra support and guidance, I look forward to working with you!

Terri lives in Gainesville with her children. Terri also believes strongly in the link between mental and physical health and is an active member of the community as a Group Exercise Instructor.

Heather Moul, LCSW

Heather Moul

Heather has 15 years of experience working with children, adolescents and adults. She is a Licensed Clinical Social Worker in the Commonwealth of Virginia. She received her Master of Social Work from University of Hawaii and an undergraduate degree from Texas A&M University. She worked for many years in Fairfax County in the field of Child Welfare. She has extensive court experience, and has been recognized in local courts as an expert in child development. Prior to GPCC, she was at another private practice in Gainesville.

Heather has specialized expertise working with children. Her clinical approach with children utilizes Child Centered and Experiential Play Therapy as well as Cognitive Behavioral Therapy (CBT) and expressive art techniques. She uses a collaborative approach with parents in assisting their children overcome challenges and utilize their strengths. Her treatment modalities with adolescents and adults includes CBT, Solution Focused Therapy and Motivational Interviewing.

Heather is a member of the National Association of Social Workers and the Association of Play Therapy.

Heather lives locally with her husband and two children.

Joseline Harris, LPC

Joseline Harris

Joseline obtained her undergraduate degree in General Psychology from Norfolk State University in 2002. Joseline earned her Master's in Professional Counseling from Argosy University. She is currently working on her doctoral degree in Counseling Psychology with a Concentration in Counselor Education and Supervision. Joseline is a Licensed Professional Counselor who is experienced working with children, adolescents, adults and families.

She has worked with individuals and families effected by substance abuse, mental health disorders, dual/ triple diagnoses (mental/substance/medical) and custody/ legal issues during her career with various systems in the counties of Arlington and Fairfax, and Prince William, Virginia and in the District of Columbia. Joseline has utilized her skills in the hospital, residential and community mental health settings, working closely with other providers in both the school and court systems.

Joseline has a strong background in counselor education and supervision. She has worked in the intensive home based counseling industry for several years. She uses both directive and non-directive play therapy techniques with young children, and adolescents as well as solution-focused, rational emotive behavioral therapy and cognitive behavioral therapy techniques while working with adolescents and adults.

Joseline enjoys working with individuals, families and couples to develop a healthy dynamic. Joseline specifically focuses on identifying root issues and developing skills in order to improve communication in the fractured relationship(s).

Joseline Harris lives locally with her three children.


Tara Thomas, LCSW

Tara Thomas

Tara Thomas is a Licensed Clinical Social Worker. She received her bachelor’s degree in social work with a minor in gerontology and sociology from Radford University in 1993 and her master's degree from Fordham University in 1994. Tara is a member of the National Association of Social Workers.

Tara has sixteen years of clinical experience in a variety of settings such as hospital-based, homecare, nursing home, and grief and loss. Her current areas of interest are children, depression, grief and loss, stress management, and family counseling. Tara utilizes a spectrum of interventions and techniques including systems theory, strength based, cognitive behavior therapy, client-centered, and play therapy.

Tara currently resides in Gainesville with her three children.

Leslie Stachelski, LPC

Leslie Stachelski

Leslie Stachelski is a Licensed Professional Counselor in the State of Virginia. She received her masters degree in counseling from the University of South Florida in 1997. Leslie has 17 years of experience where she has worked in diverse home, community based and medical settings. She has a variety of experience in counseling children, adolescents, adults and families. Leslie has trained and worked extensively in Wellness Coaching and enjoys bringing those skills to helping her clients. She also has lengthy experience in advocacy and assisting people with navigating the medical and healthcare system.

Leslie employs various therapeutic interventions including solution-focused therapy, cognitive/behavioral approaches, client-centered therapy and play therapy in order to empower the client to grow and communicate effectively to overcome the stress, depression, fear and trauma that is impeding the client's life.

Leslie lives in Bristow with her husband and three children.

Donna, Carson, LPC

Donna Carson

Donna is a Licensed Professional Counselor in the states of Virginia and Pennsylvania. Donna graduated Magna Cum Laude from High Point University with an undergraduate degree in Psychology and her Master's Degree in Clinical Psychology from West Chester University.

She has more than nine years of experience in community mental health settings working with adults, children, and adolescents in: residential treatment facilities, out-patient, crisis residential facilities, and schools.

Donna has experience working directly with the families in order to assist the family in caring for their child in their own home.

Donna has experience working with children diagnosed with attention deficit hyperactivity disorder, learning disorders, anxiety disorders, depression, oppositional defiant disorders, conduct disorders, and autistic spectrum disorders in individual, family, and group therapy.

Donna is trained in Dialectical Behavioral Therapy, Mode Deactivation Therapy, and Cognitive Behavioral Therapy.

Her strengths are working with the adolescent and families to determine the best course of action for the system and the individual.