Clinical Staff for Children and Adolescents/C.O.O.L.

How to make an appointment

Douglas Aupperle, Ph.D.

Doug Aupperle is a licensed psychologist. He received his B.A. in psychology from Creighton University in Omaha, and his M.A. and Ph.D. in clinical child psychology from DePaul University in Chicago.  Doug provides psychotherapy and psychological assessment/testing to children and adolescents. He has special interests in the areas of anxiety, attention disorders, Bowen Family Systems therapy, child sexual abuse, E.M.D.R. (eye movement desensitization and reprocessing), working with LGBT youth and parents, stress and coping in children, and trauma. He is a member of the EMDR International Association

Richard H. Douglass, L.I.S.W.

Richard Douglass is a licensed independent social worker. He holds a master of social work degree from the University of Iowa. Richard provides counseling to couples and to individuals, both adults and adolescents. He has a special interest in ADHD, depression, anxiety, and behavioral problems.


Kelli Hill, Ph.D.

Kelli Hill, a licensed child psychologist, is the Center’s Director of Clinical Services for children and adult clinical staff. She holds a doctoral degree in clinical psychology with a specialty in child and family from Wayne State University. Kelli provides therapy to toddlers through adolescents, as well as parents and families. She has a special interest in Autism Spectrum Disorder, psychological assessment, EMDR, depression, anxiety, trauma, attachment and behavior problems.

Geoffrey Hills, D.O.

Geoffrey Hills, DO is a psychiatrist who attended medical school at Des Moines University and residency at the University of Wisconsin Madison.  His practice includes treatment of adolescents and adults with mood problems, anxiety and thought disorders.  He has particular interest and experience working with the LGBT community and persons living with HIV. Prior to attending medical school, Geoffrey received a B.A. in music at Vassar College and worked for several years as a violinist, composer, music engraver and editor in New York City.  He is an unapologetic science fiction and fantasy geek.

Alicia Krpan, t.L.M.H.C.

Alicia Krpan is a bilingual mental health counselor. She provides counseling to children, adolescents and adults with diverse emotional concerns. Her areas of interest are centered toward multicultural barriers such as intergenerational conflict, acculturation, anxiety, depression, life transitions, social skills and other key aspects that a client’s culture, identity, ethnicity, race, gender brings to the counseling process. Alicia (a LEE see a) received her B.S. in Psychology from Universidad Pontificia Bolivariana in Colombia and her Masters in Counseling Psychology from the University of Calgary in Canada. She successfully completed her graduate practicum year at the Des Moines Pastoral Counseling Center.

Susan Koehler, P.A.-C.

Susan Koehler, P.A.-C, brings almost 20 years of experience as a psychiatry physician assistant.  Susan is a graduate of Des Moines University and the University of Minnesota.  She has been awarded the NCCPA Certificate of Added Qualifications in Psychiatry.  Susan’s general psychiatry practice includes treatment of children, adolescents, and adults with mood disorders such as depression and bipolar disorder, anxiety disorders, attention disorders, and thought disorders.  She sees male and female patients of all ages and has a special interest in women’s health psychiatry. An initial appointment with Susan will include a thorough evaluation and specific treatment recommendations. Follow-up appointments will monitor for therapeutic response and medication side effects, with goals of symptom remission, continued stability, and relapse prevention.

Greg Lengel, Ph.D.

Greg Lengel is a Post-Doctoral Clinical Psychology Fellow. He received his Ph.D. in Clinical Psychology from Oklahoma State University. Greg provides psychotherapy to adults and adolescents, as well as psychological and neuropsychological testing for all ages. He utilizes a collaborative approach that is firmly rooted in the integration of evidence-based practices. Greg has special interest in interventions for depressive disorders, anxiety disorders, nonsuicidal self-injury, suicide prevention, emotion dysregulation, personality disorders, and eating disorders. In addition to his position at the Des Moines Pastoral Counseling Center, Greg is an Assistant Professor of Psychology at Drake University, and he is a member of the Association for Behavioral and Cognitive Therapies, the International Society for the Study of Self-Injury, and several other professional organizations.

Alison Li, L.I.S.W.

Alison Li, L.I.S.W., is a licensed independent social worker and holds a Master of Social Work degree from the University of Michigan. Alison provides therapy for adults, adolescents, children and families.  She specializes in treating anxiety and mood disorders (including depressive disorders, generalized anxiety disorder, social phobia, and obsessive-compulsive disorder), autism spectrum disorders and adjustment disorders.  Alison also has interest in working with people experiencing life transition issues, including those related to school, relationship and family stressors, as well as sexual and gender identity.  Alison is a member of the National Association of Social Workers.  When not at work, she can be found catering to the needs of a very cute but demanding French bulldog named MacGyver.

Danielle Lloyd, t.L.M.F.T.

Danielle Lloyd is a temporary Licensed Marriage and Family Therapist. She received her B.S. in Psychology from the University of Northwestern, St. Paul and her Masters degree in Marriage and Family Therapy from Mount Mercy University. Danielle provides counseling to children, adolescents, families, couples, and adults. She has a special interest in working with child behavior problems, parenting issues, family therapy, and life transitions.

Mark Poeppe, Psy.D.

Mark Poeppe is a licensed psychologist. Mark received his Bachelor’s of Science from the University of Iowa and his Master’s of Science and Doctorate of Clinical Psychology from the Wisconsin School of Professional Psychology. Mark provides psychotherapy to children, adolescents, and adults. He has special interest in the treatment of depression, anxiety, other mood-related difficulties, life transitions, chronic pain or illness, OCD, high-functioning Autism Spectrum Disorder, ADHD, severe and persistent mental illness, and working with adolescents and young adults. Mark approaches treatment through a multitheoretical lens that primarily incorporates cognitive-behavior therapy, dialectical behavior therapy, motivational interviewing and mindfulness techniques. In addition to therapy, Mark provides psychological assessment for all ages and neuropsychological assessment for adolescents, adults, and older adults.

Elaina Riley, L.I.S.W.

Elaina Riley is a licensed independent social worker, with a Bachelor of Science degree in psychology and a Master of Social Work from the University of Iowa. Elaina has more than 25 years of clinical experience in working with people of all ages from all walks of life, including children, adolescents and adults. Her areas of expertise include treating trauma-related issues and disorders, dissociative disorders, attachment and adoption issues, anxiety and mood issues, anger control problems, relationship difficulties, parenting concerns and child behavior problems, and issues with emotional intensity and narcissism. Elaina is a trained practitioner of play therapy, EMDR, and also familiar with somatic and sensorimotor approaches to the treatment of trauma-related disorders. Elaina enjoys utilizing the creative process in her work and may invite individuals to explore and discover themselves further through the use of artistic expression (but never required). Elaina also enjoys working with issues of faith and/or existential concerns, as well as issues that people of high-ability, or gifted/talented individuals, commonly find challenging. Elaina has two children, a son and a daughter, and enjoys a diverse range of passions, including art, writing, science, gardening, sheltering monarch butterflies, a voracious appetite for seeking and learning of all kinds, and a sense of adventure and “exploring off the beaten path.” In her own words, “I am a very big fan of the Human Race, and I am humbled and encouraged by the witness that sometimes in our brokenness, our greatest humanity is born.”


Shannon Welch-Groves, Psy.D.

Shannon Welch-Groves is a licensed psychologist. Shannon received her B.A. in psychology from Creighton University, her M.A. in community counseling from the University of Nebraska, and her doctoral degree in counseling psychology from the University of Northern Colorado. Shannon provides counseling to children, adolescents, and adults. She has a special interest in the treatment of mood and anxiety disorders, parenting issues, child behavior problems, and individuals experiencing life transitions.

Scott Young, Ph.D.

Scott Young, Psychological Testing Coordinator at the Center, is a licensed psychologist. He earned his Ph.D. in Counseling Psychology at Iowa State University. Scott provides individual, couples, family, and group counseling for clients across the lifespan. He uses a multitheoretical psychotherapy approach to work with a wide variety of presenting concerns, including: stress and adjustment issues, career transitions, existential or spiritual concerns, mood problems, ADHD, anxiety, health/medical issues, anger or behavioral problems, and severe or persistent mental illness. Scott also provides psychological testing for all ages, and neuropsychological testing for adolescents, adults, and older adults. Scott provides organizational consultation to businesses and enjoys providing clinically-focused teaching, consultation, and supervision.