Advisory Board

Hilary Waller, MS, LPC, is a psychotherapist who specializes in the treatment of perinatal mood and anxiety disorders. She is the director of education and programming at The Postpartum Stress Center outside of Philadelphia, which was founded by renowned perinatal expert Karen Kleiman and was listed in Philly Magazine as a "Center of Excellence" for Maternal/Fetal Care in 2008. In addition to providing direct care services to individuals, couples, and groups at the center, Hilary serves as an instructor with Karen Kleiman, providing a quarterly 12 CE hour postgraduate advanced training for clinicians across the US and abroad who want to specialize in treating the perinatal population. She conducts workshops and trainings for maternal mental healthcare providers as well as non-clinical staff working with the perinatal population. Hilary completed her master's degree in counseling psychology from Holy Family University in 2013. She is deeply honored to support new patients. Hilary's forthcoming clinical workbook on the treatment of Perinatal Mood and Anxiety Disorders (PMAD), co-authored by perinatal experts Karen Kleiman and Dr. Tonya Cotler, will be published in the fall of 2022 (PESI Publishing).

Margaret Wehrenberg, PsyD, a licensed clinical psychologist, is the author of 6 books on the treatment of anxiety and depression, including her most recent book for the general public, The 10 Best Anxiety Busters. An expert on the treatment of anxiety and depression, she also has extensive training and expertise in the neurobiology of psychological disorders. She earned her MA specializing in psychodrama and play therapy with children. Dr. Wehrenberg has years of experience as a drug and alcoholism counselor, working with the U.S. Army in Germany and Lutheran Social Services in Illinois. She also has training in trauma treatment, EMDR and Thought Field Therapy. She has a private psychotherapy practice in Naperville, IL, specializing in treating anxiety.

In addition to clinical work, she coaches business professionals on managing anxiety, she frequently contributes articles for The Psychotherapy Networker magazine, and she has produced Relaxation for Tension and Worry, a CD for breathing, muscle relaxation and imagery to use with anxious clients. Her book The 10 Best-Ever Anxiety Management Techniques, published by W.W. Norton, is a consistent top seller for anxiety management. You can find her on the web at www.margaretwehrenberg.com

Max Wiznitzer is a graduate of Northwestern University School of Medicine. He trained in pediatrics and developmental disorders at Cincinnati Children's Hospital and in pediatric neurology at Children's Hospital of Philadelphia. He then did a National Institutes of Health funded fellowship in disorders of higher cortical functioning in children at the Albert Einstein College of Medicine, Bronx, NY. Since 1986, he has been a pediatric neurologist at Rainbow Babies & Children's Hospital in Cleveland, OH. He is an associate professor of pediatrics, neurology and international health at Case Western Reserve University. He has a longstanding interest in neurodevelopmental disabilities, especially attention deficit hyperactivity disorder and autism, and has been involved in local, state and national committees and initiatives, including autism treatment research, Ohio autism service guidelines, autism screening, and early identification of developmental disabilities. He is on the editorial board of Lancet Neurology and Journal of Child Neurology and lectures nationally and internationally about various neurodevelopmental disabilities.

M. Catherine Wollman, DNP, CRNP, GNP-BC, has been a gerontological nurse practitioner for over 30 years, caring for older adults in acute care, long-term care and home care. Catherine currently provides geriatric consultation services. Her expertise is often sought for the care of particularly challenging dementia cases. She worked as the director of senior health for a large hospital system offering a full spectrum of services, including comprehensive interdisciplinary dementia care. Catherine has traveled the country, offering her clinical expertise through various trainings to experienced healthcare audiences. Additionally, she has published articles and book chapters about relevant issues affecting older adults.