Program Director

Melissa O’Neill, LCSW, CEDS-S

Melissa O’Neill is a Licensed Clinical Social Worker with over a decade of experience with Eating Disorders in higher levels of care. She earned her Bachelor’s degree from Vanderbilt University and her Master’s degree from University of Illinois.

Ms. O’Neill has specialized in working with adults and adolescents struggling with Eating Disorders, co-occurring disorders, and those who have experienced trauma. She has supervised programs for the treatment of Eating Disorders at IOP, PHP, and residential levels of care and holds her Certified Eating Disorder Specialist Supervisor designation. Ms. O’Neill approaches therapy from the lens that relationships are vital to the healing process and a key component of recovery. She is also an EMDR trained clinician and is adjunct faculty and DePaul University.

Primary Therapist

Madison Hosier, MS, LPC

A Licensed Professional Counselor, Madison Sarvis graduated from The Family Institute at Northwestern with a Master’s degree in Counseling. She has worked within the community of eating disorders in a variety of roles including residential and partial hospitalization. As a Primary Therapist, Madison works with individual clients, families and running groups. Madison is passionate about her work with eating disorders and aiding clients in their journey to recovery to reconnect with their values and goals. Madison’s approach to treatment encompasses the use of DBT and mindfulness, while understanding the importance of family involvement in recovery and providing emotion coaching to help families best support their loved ones.

Facility Coordinator

Magdalena Zelazko, BS

Magdalena Zelazko graduated from Loyola University of Chicago in 2017 with a Bachelor’s degree in Psychology and minor in Psychology of Crime & Justice. During her undergrad, she began volunteering and working in communal and hospital settings with children, adolescents, and adults who struggled with behavioral and developmental delays. She also worked as an assistant designer/manager for an interior design firm specializing in rehabilitative settings by overseeing both project progress and team efficacy. In 2018, Magdalena began her work at Center for Discovery in the Residential Treatment Center in Glenview, IL as a milieu counselor. In this role, she honed in on her leadership and interpersonal skills by leading counseling groups such as DBT, providing one-on-one support to clients, managing crisis situations, and providing meal support. In the summer of 2019, Magdalena began her role as Facility Coordinator of the new Chicago Eating Disorder Outpatient Facility to better serve the clients and their families.

Counselor III

Melissa Koontz, M.Ed

Melissa Koontz graduated from DePaul University with a Masters in Counseling, concentration in Clinical Mental Health. Melissa has worked in a variety of mental health settings, including residential, partial hospitalization, and out-patient programs. She has significant clinical experience treating eating disorders, mood and anxiety disorders, as well as adolescent and adult age groups. Melissa uses a strengths based approach to explore the client’s true self, while empowering them towards change. Also a registered yoga teacher, RYT, Melissa uses yogic principles to connect the mind-body and promote mindfulness in and out of therapy sessions. At Center for Discovery, Melissa offers gentle yoga to help clients connect with their physical bodies and practice self-acceptance. Her focus on the whole-person gives clients a chance to make long-lasting holistic changes in their lives. Melissa truly believes in the power of therapy and is passionate about the well being and success of her clients

REGISTERED DIETITIAN

Stephanie Allison, MS, RD, LDN, CHES

Stephanie Allison graduated from the University of Iowa with a Bachelor of Arts in Health Promotion and a
minor in psychology. Shortly after, she obtained her Certified Health Education Specialist credential. In
2017, Stephanie completed her Master of Science in Nutrition and Dietetics from Indiana State University,
where she also completed her dietetic internship with an emphasis on behavioral health nutrition at
several locations throughout Indiana. Stephanie has a passion for working with clients struggling with
eating disorders and has worked as a Registered Dietitian in the mental health and eating disorder
treatment community at the residential, partial hospitalization, intensive outpatient, and outpatient levels
of care.

As a Registered Dietitian, Stephanie works with clients to incorporate nutritional balance, variety, and
moderation into their everyday lives and supports clients on their journey toward intuitive eating. She
approaches nutrition therapy and counseling with passion and enthusiasm, and enjoys empowering her
clients throughout their recovery. Stephanie values empathy and supportiveness, and utilizes these
aspects of her personality to build a therapeutic relationship with clients that is built on trust, connection,
and collaboration.

Stephanie believes that the food philosophy taught at Center for Discovery is essential in creating positive
relationships with food. She lives and models this philosophy daily, not just at work, but also in her
personal life, with the hope of inspiring others to develop their own healthy relationships with food and
body.

REGISTERED DIETITIAN

Reanna Peterman, MS, RDN, LDN

Reanna received a master’s degree in Clinical Nutrition with an emphasis on Public Health from
Saint Louis University. During her graduate studies Reanna conducted research on the
Assessment of Prevention and Management of Eating Disorders in Adolescents. Prior to joining
the team at Center For Discovery, Reanna worked as a Clinical Dietitian at an eating disorders
treatment center. She treated clients at the residential, PHP, and IOP level of care.
Reanna is experienced in providing nutrition education and support to individuals with
disordered eating behaviors. She is a leader at facilitating behavior change so individuals can
make educated decisions to obtain a healthy life. Reanna’s personal philosophy is a non-diet
approach to nutrition. She believes in health at every size and is passionate about promoting
mind and body balance. Reanna utilizes intuitive eating, motivational interviewing, and
mindfulness techniques to support behavior change. Reanna’s philosophy is founded on the
principles of all foods fit, health and wellness at every size, body positivity/inclusivity, and self
care. Reanna is passionate about helping people learn to nourish their bodies in a therapeutic
way. When Reanna is not at Center For Discovery, you may find her playing with her dogs or
enjoying time with family in the beautiful city of Chicago.

REGISTERED DIETITIAN

Grace Stokes, MS, RDN

Grace graduated with her Bachelor of Science in Nutrition and Dietetics from Purdue University. Her passion for mental health and overall well-being then brought her to Bradley University’s combined Master of Science and Dietetic Internship program in Nutrition Counseling. There she gained experience in counseling skills, intuitive eating, ED recovery, and Health at Every Size. Her goal is to empower individuals to find food freedom and heal body image so that they can thrive in their unique purpose in this world. When not at Center for Discovery, Grace loves watching Masterpiece classics on PBS, learning from podcasts, and practicing yoga.