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 20+ 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 – 9 for children and adolescents and 3 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.

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/Woodbridge) 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/Woodbridge) is a Licensed Clinical Psychologist with over 15 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 with experience helping children, adolescents, and families overcome social, emotional, and behavioral challenges. She takes a common sense, but empirically supported, behavioral approach for the treatment of a variety of childhood problems including oppositional and defiant behavior, attention-deficit/hyperactivity disorder (ADHD), tantrums, sleep and bedtime problems, anxiety, phobias, depression, eating disorders, and habits and tics.  In addition to parent training and individual therapy, she also provides psychological and cognitive testing for various behavioral and educational concerns.  Dr. Long is also a Nationally Certified School Psychologist and enjoys consulting with schools regarding your child’s learning and behavioral difficulties.

Tara D. Smith, Ph.D. (Woodbridge) is a Licensed Clinical Psychologist with over 15 years experience conducting individual, couples, family, and group psychotherapy with children, 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, oppositional-defiant disorder, ADHD, parenting skills, 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).

Aneta Kern (Leczycki), PhD., CRC (Oakton/Woodbridge) is a Licensed Pediatric Neuropsychologist specializing in brain function and child development. Dr. Kern provides comprehensive neuropsychological evaluation services for children, adolescents, and occasionally young adults. She can help address concerns such as: developmental delays, autism spectrum disorder, concussions, attentiondeficit-hyperactivity disorder, learning disorders, memory disorders, language disorders, movement and sensory disorders as well as a variety of psychological disorders such as anxiety and depression.

Peter J. Thaxter, Ph.D. (Oakton/Woodbridge) is a resident in clinical psychology with experience working with children and families. He has background in conducting family therapy and individual therapy services for children, generally focusing on behavioral difficulties, developmental disorders (i.e., Autism Spectrum Disorder), anxiety, and improving positive family interactions. He utilizes an integrative approach drawing from cognitive-behavioral therapy (CBT), Applied Behavioral Analysis (ABA), and family systems approaches. Dr. Thaxter completed his clinical internship at Kennedy Krieger Institute/Johns Hopkins School of Medicine in their Child and Family Therapy Clinic and has post-doctoral experience in Pediatric Neuropsychology.

Karl Memmer, LPC (Fredericksburg) is a Licensed Professional Counselor with a passion for working with children, families and adults. He has over 5 years experience providing community based mental health services in the Fredericksburg area. Karl takes a strength based approach with clients while addressing a variety of mental health concerns such as anxiety, depression, anger management, parenting skills, pro-social skills, self-esteem and other social and emotional issues. Karl provides individual counseling and peer processing social skills groups focusing on interventions that are creative, engaging and fit the needs of each individual client to achieve their goals.

Shakoya Hicks, LPC (Woodbridge) is a Licensed Professional Counselor with 12+ years of solid experience providing direct therapeutic services to children, adolescents, and adults with mental health and co-occurring substance use diagnoses. Her career includes working in private practice, inpatient psychiatric facilities, and residential treatment, as well as community based mental health services to include therapeutic day treatment, MultiSystemic therapy, and intensive in-home services. Shakoya provides individual, group, couples, and family therapy utilizing an integrative approach with an emphasis on reality therapy, cognitive behavioral therapy (CBT), solution-focused therapy, and family systems approaches as a means to empower her clients to focus on problem-solving and making better choices to achieve their treatment goals.

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.