Clinical Staff


Christopher T. Haley, Psy.D. (Oakton/Woodbridge) has been the owner of the practice since 2002.  He is a Licensed Clinical Psychologist with nearly 25 years experience in psychotherapy with children, adolescents, adults, families, and groups.  His primary specialty area is teaching social skills to patients of all ages, and he facilitates 12 separate Social Skills groups each week – 10 for children and adolescents and 2 for adults.  He has developed a Social Skills Group technique that employs “Incidental Teaching” to foster these essential life skills.  His book/DVD, “Peer Process Social Skills Groups: A Treatment Manual for Mental Health Therapists, Behavioral Specialists, and School Professionals” was published in 2011.  He opened his second practice, “The Social Skills Center,”  in 2013. Please visit for more information on the groups.

Sumera Nadeem, MD (Oakton/Woodbridge) is a Board Certified Psychiatrist with over fifteen years of experience in treating adults with Psychiatric conditions such as Anxiety, Depression, Bipolar, and Psychotic Disorders and a variety of other problems. With her extensive experience in both inpatient and outpatient settings, she performs diagnostic evaluations and medication management using excellent clinical skills and up to date knowledge of current medical practice. Dr. Nadeem is compassionate and understanding, and makes every effort to ensure her patients are given best available treatment in an empathic environment. In addition to medication management, she utilizes supportive and CBT principles in her practice. Dr. Nadeem is an Independent Contractor, but partners with Psychological and Life Skills Associates to refer for psychotherapy and psychological testing if needed.

Felicia Leisersohn, Psy.D. (Woodbridge) is a Licensed Clinical Psychologist with many years of experience in psychotherapy with adolescents and adults. Her areas of interest and specialty include, but are not limited to, depression, anxiety, trauma/PTSD, adult survivors of sexual abuse, gender identity/LGBT issues, women’s issues, and interpersonal difficulties. Dr. Leisersohn provides individual psychotherapy with an emphasis on an insight-oriented approach as a means to personal change.

Kate Strand, Ph.D. (Woodbridge) is a Licensed Clinical Psychologist with extensive experience dealing with military personnel and family issues. She also has a wide range of experience in the treatment of grief, anxiety, depression, trauma response, eating disorders, parenting challenges, school/work/life change adjustment, and relationship issues. Dr. Strand provides evaluation and treatment services for children, adolescents, adults, and couples. Dr. Strand also has training in EMDR (Eye Movement Desensitization and Reprocessing), a technique used to treat trauma. .

Michael Schell-Smith, L.C.S.W. (Fredericksburg) is a Licensed Clinical Social Worker with over 20 years of experience working with all ages utilizing individual, family, couples, and group therapy.  In addition to helping people resolve problems around depression, anxiety, and relationship/marital issues, Mr. Schell-Smith is also experienced in helping survivors of sexual abuse/incest and domestic violence, and addressing parent concerns, behavior problems with children and adolescents, separation and divorce, and stress management.

Sandy Mansfield, L.C.S.W. (Woodbridge) is a Licensed Clinical Social Worker with extensive psychotherapy experience.  During her career she has worked as a manager for an outpatient Behavioral Health Center, residential treatment and hospital facilities, a pain management center, and private practice.  She is a seasoned therapist who works with older adolescents, adults, families, couples, and groups.  Sandy evaluates and provides therapy for clients experiencing anxiety, depression, relational challenges, and the range of adjustment disorders.

Ayonda L. Batts, Ph.D. (Fredericksburg) is a Licensed Clinical Psychologist with over 25 years experience providing psychological testing and treatment services for children, adolescents, and adults.  Dr. Batts completed her postdoctoral training in Medical Psychology with a specialty in Psychosocial Rehabilitation.  She primarily utilizes cognitive-behavioral approaches that support clients in developing and enhancing skills, to assist them in reaching their treatment goals.  Dr. Batts’ treatment experiences are vast and include, but are not limited to, behavioral disorders, eating disorders, depression and other mood disorders, anxiety, communication/relationship issues, adjustment disorders, and life skills training (i.e. stress management; time management; social skills and assertiveness training).

Gaillienne (Gail) Zander, Ph.D. (Woodbridge) is a Licensed Clinical Psychologist with many years of experience.  She worked in the Milwaukee, WI public schools from 1970 through 1991 seeing children from birth through age 21 and their parents.  In 1984 she began a private practice specializing in relationship issues, pain management, hypnotherapy, mood disorders, anxiety, habit control, and trauma.  She is a Diplomat of the American Academy of Pain Management, a Certified member of the American Society of Clinical Hypnosis, is Level 2 trained in EMDR (Eye Movement Desensitization and Reprocessing – used frequently for people who have been traumatized), and experienced in Neurofeedback (a form of biofeedback for the brain).

Lindsey Luedtke, Psy.D. (Woodbridge) is a Licensed Clinical Psychologist with over five years of experience specializing in adolescent and adult individual, couples, and group psychotherapy. She has specific training with individuals who struggle with depression, anxiety, self-injury, and relationship difficulties. She typically utilizes cognitive-behavioral techniques (CBT) and relational therapy to empower clients with hope and motivation to improve their ability to cope. In addition, Dr. Luedtke conducts evaluations for adolescents and adults to diagnose ADHD and a variety of other mental health disorders.

Susanne Long, Ph.D. (Woodbridge) is a Licensed Clinical Psychologist specializing in behavioral parent training and individual, family, and group therapy for children, adolescents, and adults. She takes an empirically supported behavioral approach for the treatment of a variety of concerns including adjustment problems, anxiety, fears and phobias, depression, attention-deficit/hyperactivity disorder, oppositional behavior, obsessive-compulsive disorder, tic disorders, trichotillomania, and excoriation disorder. She adheres to an evidenced-based model of care and has experience with clinical behavior analysis, behavioral pediatrics, habit reversal training (HRT), cognitive-behavioral therapy (CBT), and acceptance and commitment therapy (ACT). Dr. Long also facilitates social skills groups for elementary and middle school-aged children. She is a Nationally Certified School Psychologist (NCSP) and enjoys collaborating with parents and schools regarding various educational and behavioral concerns.

Tara D. Smith, Ph.D. (Woodbridge/Oakton) is a Licensed Clinical Psychologist with over 15 years experience conducting individual, couples, family, and group psychotherapy with adolescents and adults. She enjoys working with a wide range of client concerns including depression, bipolar disorder, anxiety, phobias, obsessive-compulsive disorder (OCD), hoarding, trauma, domestic violence, personality disorders, eating disorders, phase of life issues, and gender/sexual orientation issues.  She utilizes an integrative approach to her practice that draws from cognitive-behavioral, psychodynamic, mindfulness, interpersonal, and family systems approaches.

Alaina Mazer, LPC (Woodbridge) is a Licensed Professional Counselor with experience working with children and families. She has over 5 years experience in the community mental health setting treating grief, anxiety, depression, anger management, parenting skills, pro-social skills, ADHD and other mental health ailments. Alaina provides evaluations and treatment services for children, adolescents, and adults, with an emphasis on client-centered approaches. She is also trained in Dialectic Behavioral Therapy (DBT).

Dara Grimes, LCSW (Oakton) is a Licensed Clinical Social Worker with 10 + years experience in providing individual, family and group therapy within the juvenile justice system, foster care/home-based, mental health, private practice, and military settings. She has provided support to at-risk adolescents and their families from diverse backgrounds in health care, private practice, and outpatient sectors. Ms. Grimes has successfully guided clients through various challenges through Empowerment and Cognitive and Behavioral methods.

Amanda Swanson, Psy.D. (Woodbridge) is a Licensed Clinical Psychologist with experience working with children, adolescents, and adults in a variety of settings including inpatient treatment, outpatient therapy, and schools. She specializes in working with children and adolescents with behavior disorders such as ADHD and ODD and their families in developing healthy social and self-control skills. She also has experience working with children and adolescents in overcoming anxiety, trauma, and other mental health conditions using cognitive behavioral techniques (CBT). Dr. Swanson utilizes a client-centered approach in addressing each individual and family’s unique needs. In addition, Dr. Swanson also conducts evaluations on children, adolescents, and adults to diagnose ADHD and a variety of other mental health disorders.

Amy Greenough, LPC, ATR-BC (Woodbridge/Oakton) is a Licensed Professional Counselor and Board Certified Art therapist with 8 years of experience in community and clinical mental health settings. Amy works with children, adolescents, and adults to manage a variety of concerns. Amy uses a person-centered, integrative method of psychotherapy to promote success with developing personal goals. Areas of focus with Amy might include: management of behaviors and feelings, stress reduction, improvement of self-esteem, developing personal awareness (or mindfulness), strengthening personal resilience, or promoting recovery. In addition to traditional counseling methods, Amy has specialized training in guiding individuals and groups in the therapeutic use of the art making process. Art therapy was founded on the belief that engagement in the creative process is inherent to us all, and is in itself healing. Therefore, no formal training in art is expected for one to benefit from this method of counseling. For more information about the art therapy field please visit the American Art Therapy Association’s website at

Scott F. Miller, MSW, LCSW (Woodbridge) is a Licensed Clinical Social Worker with experience providing individual, family, and group psychotherapy to children, adolescents and adults. His clinical work includes treating mental illness in both the community and psychiatric hospital setting. He has significant experience working with families experiencing extreme stress due to mental illness and/or behavioral disorders. Mr. Miller is currently accepting new clients and is excited to offer individual and family psychotherapy in addition to Peer Process Social Skills Groups.

Yurandol P. Thompson, Ph.D., LPC, NCC (Fredericksburg) is a Licensed Professional Counselor with over 10 years of experience providing psychotherapy to children, adolescents, and adults through individual, family, couples, and group therapy. She enjoys working with a wide range of client concerns including, but not limited to, depression, anxiety, adjustment disorder, relationship issues, stress management, anger management, behavior modification, parenting skills, social skills, and other life skills. As a military veteran, she also understands the unique culture of the military and the qualms associate with being separated from family, multiple transitions, and reintegration into the “civilian world”. Dr. Thompson practices from a client-centered philosophy integrating cognitive behavioral therapy, mindfulness, and family system approaches.

Laureen Littlejohn, LCSW (Oakton) is a Licensed Clinical Social Worker with over 20 years of experience in providing psychotherapy to individuals, couples and families in a variety of settings to include community mental health, primary care medicine, and military health care. She offers an integrative approach to treating issues such as depression, anxiety, relationship conflict, stress management, chronic or life threatening illness, grief, adjustment disorder and trauma.  She has been trained in Mindfulness Based Psychotherapy, Evidence Based Mind Body Therapies, Animal Assisted Therapy, Cognitive Behavioral Therapy, and Family Systems. Laureen’s educational background and professional training in Nutrition and Health Coaching also helps to inform her practice.