Our team
Licensed Psychologists and Counselors
Every clinician at PPA is fully licensed in Pennsylvania. Click Read More to see each clinician’s full biography.
William D. Morgan, Psy.D.
Licensed Psychologist · Clinical Director
Dr. Morgan has been in practice for more than 25 years. He established Paoli Psychological Associates in 2001, and the practice has since grown to thirteen clinicians well known in the area for specialization in Cognitive Behavioral Therapy (CBT), psychological testing and evaluation, and quality of care.
Dr. Morgan’s caring, compassionate, down-to-earth approach is distinctively growth-oriented, emphasizing the skills needed to handle life’s challenges with greater ease and achieve one’s full potential. He works with children, adolescents, adults, and families to facilitate change, personal growth, greater contentment, and personal effectiveness. His specialties include anxiety, depression, ADHD and learning problems, psychological testing and evaluation, parenting and family issues, and career and workplace concerns.
Dr. Morgan completed his Psy.D. at the Institute for Graduate Clinical Psychology at Widener University. He holds several certifications in CBT and has served as adjunct faculty at two university graduate programs in psychology. He has written professional articles and chapters on the treatment of various psychological problems and is a popular speaker on issues of personal growth and change. He is a member of the Pennsylvania Psychological Association and serves on the professional board of Chester County/Main Line CHADD.
Renee Cahill, Psy.D.
Licensed Psychologist
Dr. Renee Cahill is a licensed psychologist and certified school counselor with over 15 years of experience providing counseling to children, adolescents, and families. Dr. Cahill completed her doctorate at the Philadelphia College of Osteopathic Medicine and holds a master’s degree in counseling psychology from Boston College. Dr. Cahill provides counseling and psychotherapy for children, adolescents and adults as individuals, families or in groups. She provides a warm, supportive, and compassionate approach to psychotherapy by building a working relationship with her clients and utilizing evidence-based Cognitive Behavioral Therapy (CBT) techniques.
Dr. Cahill specializes in treating depression, anxiety, learning disabilities, self-esteem, career counseling, PTSD, grief/loss, ADHD, emotional and behavioral issues, parenting challenges, divorce, relationship issues, anger problems and infertility/reproductive issues. She also has experience helping clients and families with navigating school systems to best support their child’s social-emotional and educational needs.
Dr. Cahill assists clients with learning life-long skills such as mindfulness, relaxation strategies, communication skills, and social skills to improve their self-perceptions, emotional well-being, relationships, and quality of life.
Aaron Myers, Psy.D.
Licensed Psychologist
Dr. Aaron Myers is a clinical psychologist offering individual psychotherapy and evaluation for adolescents and adults. Dr. Myers completed his doctorate at the Philadelphia College of Osteopathic Medicine and earned a master's degree in clinical and counseling psychology from Chestnut Hill College. His approach to treatment is to provide a safe, confidential, supportive, and collaborative environment for his clients.
Dr. Myers specializes in treating trauma, depression, anxiety, grief and loss, and relationship issues. In addition, he has an interest in sports psychology. He primarily works from Cognitive Behavioral Therapy (CBT) perspective but also utilizes Dialectical Behavior Therapy (DBT), Motivational Interviewing, psychodynamic, and interpersonal techniques. Dr. Myers endeavors to help his clients develop skills and abilities to help them meet their goals for personal growth and well-being.
Dr. Myers has experience in a variety of inpatient and outpatient settings. He has given professional presentations and workshops on a variety of topics including personal growth and the treatment of various issues.
Caryn Brooks, M.A.
Licensed Professional Counselor · Certified Advanced Alcohol and Drug Counselor
Caryn has worked as child, adolescent, and family therapist providing support and counseling to children, teens, and their caregivers for over 10 years. She has a range of experience helping children, teens, adults, and families to address challenges such as anxiety, depression, trauma, grief and loss, ADHD and autism as well as divorce, single/blended families, and adoption. For students and adults with ADHD, Caryn provides ADHD and Executive Functioning coaching. Caryn also works with young adults in adjusting and transitioning to college, career planning, and developing balance in their lives. In addition, she provides counseling to adults in managing a variety of emotional issues, concerns related to substance use and abuse, and recovering from trauma and coping with loss.
Caryn graduated from Widener University with a master’s degree in Clinical Psychology and has worked as an outpatient therapist, traumatic grief program supervisor, and alcohol, tobacco, and other drugs prevention specialist. She has conducted classroom presentations, delivered an evidence-based drug and alcohol prevention curriculum in schools, and provided a teacher in-service workshop related to youth and the vaping epidemic.
Caryn has a broad base of experience and training with multiple treatment modalities, including Cognitive Behavioral Therapy, Trauma-Focused-CBT, Child Traumatic Grief-CBT, motivational interviewing, behavioral techniques, and mindfulness. She works to collaborate with clients and families to develop an effective plan for achieving their goals and provides support throughout their journey.
Ramesh Conley, Ph.D.
Licensed Psychologist · Certified School Psychologist
Dr. Ramesh Conley is a licensed psychologist and nationally certified school psychologist, with over 15 years of experience providing psychotherapy and psychological testing and evaluation to individuals from diverse backgrounds across a variety of settings. Dr. Conley completed her masters and doctoral studies at the University of Florida.
Dr. Conley enjoys working with children, adolescents, adults, and families with a collaborative approach focused on strengthening resiliency and relationships. She utilizes Cognitive Behavioral Therapy and other modalities to tailor her services to meet the needs of her clients. Dr. Conley offers treatment and support for issues including academic and learning problems, ADHD, behavioral problems, social and friendship issues, anxiety, depression, and trauma. She has expertise in providing comprehensive psycho-educational and diagnostic evaluations, drawing on a variety of formal and informal diagnostic tools to look at learning processes, emotional health, and personal strengths and weaknesses through a developmental lens.
Dr. Conley particularly enjoys working with parents and their young children to develop positive parenting skills and to strengthen the parent/child relationship.
Brad Richardson, Psy.D.
Licensed Psychologist
Dr. Brad Richardson is psychologist who completed his doctorate at Widener University’s Institute of Graduate Clinical Psychology. Dr. Richardson is passionate about providing high quality, culturally sensitive therapy that is grounded in research for children, adolescents, families, and adults.
Some of Dr. Richardson’s clinical interests include working with parenting and family issues, anxiety, depression, ADHD, adjustment to life changes and stressors, grief and loss, trauma, and sports psychology for young athlete concerns. The foundation of his approach to treatment centers on building self and contextual awareness so that individuals can function autonomously in pursuit of their goals while adhering to their values. Dr. Richardson specializes in Cognitive Behavioral Therapy and draws on Acceptance and Commitment Therapy and Family Systems approaches. He values the importance of working collaboratively with clients to individualize evidence-based approaches to capitalize on client strengths. Dr. Richardson is also trained in Trauma Focused CBT.
In addition to providing individual and family therapy, Dr. Richardson has provided clinical supervision and training to many therapists over the years. He has worked in leadership roles in a non-profit organization where he established an adult outpatient therapy program designed to meet the needs of caregivers of children and adolescents with mental health challenges.
Stephanie Folmar Waldt, M.A.
Licensed Professional Counselor
Stephanie Folmar Waldt, M.A. is a Licensed Professional Counselor bringing over 15 years of counseling experience working with children, adolescents, adults, and their families in both outpatient and school environments. Some of her areas of expertise include trauma care, crisis intervention, emotional dysregulation, and guiding early childhood transitions—including school readiness and adjustment—with a thoughtful, strengths-based approach. Stephanie’s professional experience spans outpatient therapy, mobile in-home services, behavior specialization, and school counseling, equipping her with a flexible and well-rounded skill set to meet clients’ needs across the lifespan.
In her clinical practice, Stephanie emphasizes evidence-based modalities, particularly Cognitive Behavioral Therapy (CBT), complemented by Dialectical Behavior Therapy (DBT) and strength-based interventions. She has extensive experience supporting children and teens with anxiety, ADHD, behavioral challenges, and trauma, as well as adults coping with anxiety and mood disorders. Stephanie takes a comprehensive and holistic approach to care, considering each client’s unique circumstances and collaborating closely with parents, educators, and multidisciplinary teams to support emotional growth, transferable skills and social development.
Stephanie earned her M.A. in Clinical Psychology from West Chester University and her BA in Criminal Justice and Psychology from Lock Haven University. Committed to professional excellence, she continues to expand her skills through specialized education in marriage and family counseling, human development, LGBTQ+ considerations, suicide prevention, and cultural competency.
Chris Kaczka, Psy.D.
Licensed Psychologist
Dr. Chris Kaczka is a licensed psychologist with over fifteen years experience as a therapist and evaluator. He completed his Doctor of Psychology degree at Immaculata University. Dr. Kaczka specializes in Cognitive Behavioral Therapy (CBT) and emphasizes the establishment of a strong therapeutic relationship along with helping clients overcome challenges to engage in valued actions in their lives. He offers a non-judgmental, empathic, and practical approach to working with clients.
Dr. Kaczka works with adults and adolescents. In treatment, in addition to CBT, he draws upon strategies from Acceptance and Commitment Therapy, Existential-Humanistic, and Motivational Interviewing modalities. He has experience treating a variety of presenting concerns, including anxiety, depression, traumatic stress reactions, self-esteem issues, substance use disorders, relationship issues, life transitions, and obsessive-compulsive disorder. Dr. Kaczka is passionate about providing evidence-based treatment and therapy that works.
In addition to his clinical practice, Dr. Kaczka has taught courses as an adjunct instructor in the undergraduate psychology and doctor of clinical psychology programs at Immaculata University.
Melissa Hertrich, Psy.D.
Licensed Psychologist
Dr. Hertrich has been practicing as a licensed psychologist since 2004. She completed her doctorate in clinical psychology at the Chicago School of Professional Psychology and earned a master’s degree in clinical psychology from Fairleigh Dickinson University. Throughout her career, Dr. Hertrich has had the opportunity to help address the mental health needs of children and adolescents as a therapist and evaluator in a variety of settings including medical facilities, schools, and behavioral health clinics. Her approach to care is grounded in a developmental framework that focuses on identifying strengths that can be used as building blocks for continued growth and learning.
Dr. Hertrich’s current clinical practice focuses on conducting diagnostic evaluations. She specializes in the assessment of neurodevelopmental disorders including Autism Spectrum Disorder and ADHD. She also provides intellectual ability testing for entrance into academic gifted programs and for identifying intellectual disability.
Mark Cassano, Psy.D., DipACLM
Licensed Psychologist · Board Certified Lifestyle Medicine Professional
Dr. Mark Cassano is a licensed clinical psychologist offering evidence-based individual psychotherapy for adults and adolescents. He completed his master’s degree in Counseling and Clinical Health Psychology and his doctorate in Clinical Psychology at the Philadelphia College of Osteopathic Medicine (PCOM). Dr. Cassano has dedicated his career to helping individuals better understand themselves, work through and process difficult times in life, and develop skills to care for their own well-being. He takes a collaborative and compassionate approach to care and is committed to empowering individuals to have an active voice in their treatment.
Dr. Cassano practices primarily from a Cognitive Behavioral Therapy (CBT) perspective, though he incorporates Acceptance and Commitment Therapy (ACT), mindfulness, and motivational interviewing into his clinical work. In addition to treating a wide range of mental health concerns, he specializes in addressing co-occurring mental and physical health conditions. Dr. Cassano has extensive experience helping individuals cope with and manage chronic health conditions and make lifestyle changes as a means to grow and heal on their own terms. Additionally, he is trained in treating a variety of behavioral health concerns, including insomnia, chronic pain, nicotine cessation, sexual dysfunction, and weight management. He is also boardcertified by the American College of Lifestyle Medicine as a Lifestyle Medicine Professional. Helping individuals make and maintain lifestyle changes to prevent and reverse chronic health conditions is one of Dr. Cassano’s greatest passions. His career has centered on educating and collaborating with a wide range of healthcare providers, and he greatly enjoys connecting with his clients’ healthcare teams to ensure each individual’s care is coordinated and delivered at the highest level.
In addition to his clinical work, he serves as an adjunct professor at PCOM, teaching courses in CBT and counseling skills in the Master’s in Mental Health Counseling program.
Erika Kawamura, Psy.D.
Licensed Psychologist · Board Certified Lifestyle Medicine Professional
Dr. Erika Kawamura is a licensed psychologist specializing in assisting adults with anxiety, depression, adjustment/life transition issues, health/wellness issues, and career/vocational/workplace issues. She also provides coaching in the area of health/wellness, incorporating lifestyle medicine approaches.
Dr. Kawamura’s approach to therapy and coaching is to form a collaborative relationship and create a safe environment where clients may openly discuss their concerns and difficulties. She takes a holistic approach and provides individualized treatment for each client. She works with her clients toward their goals, helping them overcome roadblocks by gaining insight into patterns of behaviors and feelings, exploring ways to incorporate healthy changes and coping strategies, and helping them to improve their overall sense of wellbeing.
Lifestyle medicine is one of Dr. Kawamura’s specialties. Given that many chronic health conditions are largely contributed to by lifestyle behaviors, she works with clients with chronic health conditions to incorporate long-term lifestyle changes to prevent and/or improve their health, often collaborating with their physician.
In addition, Dr. Kawamura presents health/wellness seminars at organizations and serves on the board of the American Anorexia & Bulimia Association of Philadelphia.
Dr. Kawamura received her doctorate in clinical psychology and master’s degree in Human Resources and Organizational Leadership from Widener University. She is a Diplomate of the American College of Lifestyle Medicine.
Gregory Amatrudo, Psy.D.
Licensed Psychologist
Dr. Greg Amatrudo is a clinical psychologist offering counseling and psychotherapy for adolescents and adults as individuals, couples or in groups. Dr. Amatrudo completed his doctorate at the Philadelphia College of Osteopathic Medicine and also holds a master’s degree in mental health counseling from Caldwell University. Dr. Amatrudo offers a non-judgmental and compassionate approach to psychotherapy by using the best-researched treatments in a way that are individually tailored for each client. He prides himself on developing a strong therapeutic relationship with his clients and taking a collaborative approach to therapy.
Dr. Amatrudo specializes in treating depression, anxiety, trauma, grief/loss, ADHD, anger problems and relationship issues. He also has expertise in treating a wide array of sleep disorders such as insomnia, nightmares and circadian rhythm sleep disorders through the use of Cognitive Behavioral Therapy for Insomnia (CBT-I). He completed an accredited Behavioral Sleep Medicine (BSM) fellowship at the Penn State Hershey Sleep Treatment and Research Center and is currently board eligible in Behavioral Sleep Medicine. He has also written and contributed to a number of scientific journals and published articles in the field of Behavioral Sleep Medicine.
Dr. Amatrudo employs short term and solution-focused counseling such as Cognitive Behavioral Therapy (CBT) and uses a number of different approaches that are rooted in Mindfulness Based Stress Reduction (MBSR) and meditation. He also offers longer term therapeutic approaches that help his clients build insight and develop strategies to meet their treatment goals. Dr. Amatrudo also conducts psychological assessments.
Dr. Amatrudo is a Licensed Psychologist and a member of the American Psychological Association, Pennsylvania Psychological Association and the Society of Behavioral Sleep Medicine.
Jessica Taylor, M.S.
Licensed Marriage and Family Therapist
Jessica is a child, adolescent and family therapist who has devoted her practice to counseling children, adolescents, and their caregivers in individual and family therapy. She has a broad base of experience helping children and their families address emotional and behavioral issues, including issues associated with ADHD, anxiety, depression, and PTSD, as well as environmental stresses such as bullying, relationship strain, divorce, single/blended families, and adoption.
Jessica also provides couples counseling for couples who would like to improve their relationship or resolve conflicts more effectively and improve communication.
Jessica graduated from Chestnut Hill College with a master’s degree in Clinical and Counseling Psychology. She has worked as an outpatient therapist, behavior specialist consultant, and mobile therapist. She has also served as a supervisor for other clinicians. Jessica is a Licensed Marriage and Family Therapist.
Jessica uses a variety of therapeutic approaches depending on the needs of the client including Cognitive Behavioral Therapy (CBT) and the family systems approach. She has found it beneficial in many cases to involve other family members in order to understand the family dynamic and learn ways to support each other and develop healthy family relationships.
Jessica also has extensive training in Trauma Focused Cognitive Behavioral Therapy (TF-CBT), an evidence-based treatment model that has been proven effective in helping children and adolescents overcome the effects of traumatic events. Parents and caregivers are instrumental in the healing process and Jessica has seen great results for these clients.