Our Team

Eating Recovery Center, Chicago’s eating disorder treatment facility Eating Recovery Center, Chicago’s eating disorder treatment facility has been developed and is overseen by a compassionate team of experts across many behavioral health disciplines, including psychiatrists, internal medicine physicians, psychologists, therapists, mental health counselors, dietitians and other patient support staff. Eating Recovery Center, Chicago experts deliver evidence-based care to meet each patient and family’s unique disorder treatment and recovery needs.

Susan McClanahan, PhD, CEDS
Chief Clinical Development Officer and Founder of Insight Behavioral Health Centers

Dr. Susan F. McClanahan is a licensed clinical psychologist and the President and Founder of Insight Behavioral Health Centers. Dr. McClanahan is a leading expert in the field with more than 20 years of experience working with clients struggling with depressive and anxiety disorders, anorexia and bulimia, and binge eating disorder. She also has expertise in the psychological aspects of pregnancy and infertility.
Dr. McClanahan is active on the boards of several professional organizations, including iaedp, where she is the past-Secretary for the Heartland Alliance Chapter. She is a Board Member on the Residential Eating Disorders Consortium and is a founding member of the Medical and Scientific Advisory Board for the National Association of Anorexia Nervosa and Associated Disorders. Dr. McClanahan also recently joined the Executive Board of Eating Recovery Center, where she helps to drive decisions related to growth and expansion of clinical services. Specific to her leadership contribution to iaedp, Dr. McClanahan is an Approved Supervisor, providing ongoing mentorship and supervision to two of her top clinical staff who also hold leadership positions within iaedp: Michelle Gebhardt, President of the Heartland Chapter, and Anne Kubal, Insight’s Director of Clinical Training.
Dr. McClanahan holds an Assistant Professor position at both Rush Medical Center and Northwestern University Feinberg School of Medicine. She coordinates and supervises the training of medical and psychiatry residents and post-doctoral fellows and interns. Under her direction, Insight has developed a large and well-regarded training program and last year became a clinical training site for Northwestern University interns. Additionally, Dr. McClanahan’s expertise is sought out for local and national presentations. Recently, she was invited to speak on panels at the annual Academy for Eating Disorders’ ICED conference and at the Eating Recovery Center Foundation Eating Disorders conference. In 2014, she was invited to join an elite group of female businesswomen to participate in the Women’s Business Symposia in Chicago.
Dr. McClanahan has designed and implemented a study at Insight’s residential treatment centers in Illinois to elucidate factors that predict positive responses to treatment, including therapeutic alliance, motivation, DBT skills acquisition and ERP engagement to outcomes. The results of this study have important implications for the design and implementation of residential treatment services at Insight and elsewhere in the field. Additionally, Dr. McClanahan recently spearheaded a research collaboration with Dr. Daniel Le Grange examining the inclusion of DBT in certain cases of FBT in order to improve treatment outcomes.
Dr. McClanahan has also proven to be an advocate for mental health treatment and Chicago eating disorder treatment in particular. In 2010 she raised local awareness of discrepancies in an insurance company’s interpretation of parity laws and was instrumental in making changes on a state level to ensure proper care for Illinois residents.


Ellen Astrachan-Fletcher, PhD, FAED, CEDS-S
Regional Managing Clinical Director

Ellen Astrachan-Fletcher, PhD, FAED, CEDS-S, has a wealth and breadth of experience treating adults and adolescents with mood, anxiety and eating disorders. She is Lecturer at Northwestern University’s Feinberg School of Medicine, Department of Psychiatry and Behavioral Sciences and Associate Professor of Clinical Psychology in the Department of Psychiatry at the University of Illinois at Chicago.

She has over 25 years of clinical and teaching experience in the field of eating disorders and women’s mental health issues and has taught and supervised Psychiatry residents and fellows as well as Clinical Psychology interns and externs for over two decades. She was named Teacher of the Year by the Clinical Psychology Internship and Fellowship Program at the Northwestern University Feinberg School of Medicine in 2013.

Dr. Astrachan-Fletcher is a senior RO DBT clinician, training directly under Tom Lynch and she is a nationally recognized expert in the field of DBT, FBT (Family-Based Treatment), and is a frequent presenter at national eating disorders conferences. Dr. Astrachan-Fletcher has been instrumental in research collaborations with Daniel Le Grange, Tom Lynch and others. She has helped to make empirically based and innovative treatments translatable for the private sector. She co-authored The Dialectical Behavior Therapy Skills Workbook for Bulimia: Using DBT to Break the Cycle and Regain Control of Your Life (2009), which is used at eating disorders treatment facilities throughout the country.
“Our focus is on helping create change from the inside out – and not simply from the outside in.”
– Ellen Astrachan-Fletcher, PhD, CEDS


Steven Prinz, MD
Regional Managing Medical Director 

Steven Prinz, MD, is a board certified psychiatrist and the Medical Director of Eating Disorder Services at Insight. Dr. Prinz works with Insight’s multidisciplinary treatment team to deliver direct psychiatric care and medication management.
Dr. Prinz brings extensive expertise in the treatment of serious behavioral health conditions including eating disorders, anxiety, depression, self-injury and substance use disorders. Prior to joining Insight’s medical team, Dr. Prinz served as Medical Director of the Eating Disorder Program and Anxiety Disorder Program at Linden Oaks Hospital at Edward in Naperville, IL. As Director of the Eating Disorder Program for over 22 years, he provided leadership to a multidisciplinary medical treatment team and oversight for inpatient and outpatient levels of care, including Arabella House, a residential care center for eating disorder patients. Dr. Prinz also provided direct psychiatric care and medical management to adult and adolescent patients at Linden Oaks. Since 1994, he has delivered psychiatric care to patients and families struggling with behavioral health concerns in his private practice, Genesis Clinical Services.
Dr. Prinz is a dedicated advocate for behavioral health awareness and education among professionals and consumers alike. He is committed to educating the next generation of physicians in Chicago, providing education and supervision to medical students at the University of Illinois at Chicago Medical Center and the Loyola Stritch School of Medicine. He is also a coauthor of The Anxious Brain (W. W. Norton & Co., 2007), a clinical guide describing brain structure and function and neurotransmitter activity in an effort to help psychotherapists better understand, diagnose and effectively treat anxiety disorders. Additionally, Dr. Prinz has held several leadership designations within the National Association of Anorexia Nervosa and Associated Disorders (ANAD). He currently provides organizational leadership and oversight as a Regional Board Member, and previously served as Vice President and President of the Scientific Committee for ANAD. Dr. Prinz is also a member of the Academy for Eating Disorders and a Diplomate of the American Board of Psychiatry and Neurology.
Dr. Prinz earned his undergraduate degree at Loyola University of Chicago and his Doctor of Medicine at the Chicago Medical School. He completed his Residency in Psychiatry at the Loyola Stritch School of Medicine in Chicago.

Delia Aldridge, MD, CEDS-S
Medical Director, Suburban Eating Disorder Services

Dr. Delia Aldridge is a Board Certified Psychiatrist with 17 years of experience in treating adults and adolescents with eating disorder, PTSD, personality disorders, substance abuse, self injury,  mood and anxiety disorders .
Prior to joining ERC, Dr Aldridge was the Medical Director for AMITA Health, Alexian Brothers Behavioral Medicine Institute - Center for Eating Disorders in Hoffman Estates, IL, a northwest suburb of Chicago.

As an expert in refeeding, she has established a premier refeeding service for pediatric and adult patients with complex psychiatric comorbid conditions including self-injury, PTSD, mood disorders and substance use disorders.
She then earned her medical degree from University of Medicine and Pharmacy, Timisoara, Romania and completed residency with the Department of Psychiatry and Behavioral Sciences at Rosalind Franklin University (formerly Finch University) /The Chicago Medical School, where she graduated with Academic Honors in recognition of her commitment to excellence over the course of training. Dr Aldridge served as Academic Chief Resident and was appointed Instructor in Psychiatry during her last year of residency, while she was also the Psychiatry Clerkship Coordinator. She received Resident Teacher of the year award ( 2001) and Distinguished Service Award (2002) from Finch University/The Chicago Medical School.
Presently, Dr. Aldridge is a Clinical Assistant Professor of Psychiatry at Rosalind Franklin University/ The Chicago Medical School, teaching medical students and residents about medical complications of eating disorders.

Dr Aldridge’s passion for highest standards in the treatment of eating disorders led her to join the IAEDP Certification Committee where she is actively involved in improving and simplifying the certification process for physicians and nurse practitioners, including International applications. Dr Aldridge is the Certification Chair for Heartland IAEDP and currently , the only MD that is IAEDP Approved supervisor in Illinois – allowing her to provide IAEDP supervision for psychiatrists and nurse practitioners pursuing their eating disorders certification.
Dr. Aldridge co-authored numerous articles and poster presentations, among which recent article in the Child and Adolescent Psychiatry and Mental Health online journal called Psychotherapeutic Approaches to Non-Suicidal Self-Injury in Adolescents. Along with her staff, Dr. Aldridge published a chapter in the 2014 book, Non-Suicidal Self-Injury in Eating Disorders called "Eating Disorders and Non-Suicidal Self-Injury: From Primary Care to Inpatient Hospitalization." 
Dr. Aldridge is also one of the clinical contributors in the book: Self-Injury:  Simple Answers to Complex Questions, addressing the practical approach of psychiatrist in  treating this challenging behavior.

Dr Aldridge is volunteering in the Advisory Board for NAMI of Barrington and served in the Finance Committee for the Academy for Eating Disorders. She is a member of American Psychiatric Association, the Illinois Psychiatric Society , the International Association for Eating Disorders Professionals and Academy for Eating Disorders

Julie Friedman, PhD
National Senior Director, Binge Eating Treatment & Recovery (BETR) Program

Julie Friedman is a health psychologist whose specialties include cognitive-behavioral therapy, Night Eating Syndrome, Binge Eating Disorder, Bulimia Nervosa, pre- and post-bariatric surgery behavioral care and obesity medicine. She is an Assistant Professor at the Northwestern University Feinberg School of Medicine in the Department of Psychiatry and Behavioral Sciences.
Dr. Friedman is a member of the American Psychological Association, the Obesity Society, and the Academy of Eating Disorders. She received her B.S. in Psychology from Northwestern University and her Ph.D. in Clinical Psychology from the Illinois Institute of Technology.
She completed a fellowship in sleep disorders and behavioral medicine at the Indiana University School of Medicine and a two-year, post-doctoral fellowship in obesity and eating disorders at Northwestern Memorial Hospital’s Wellness Institute. Dr. Friedman provided an invited address on Night Eating Syndrome at the annual meeting of the Obesity Society. She currently teaches workshops and classes on the assessment and treatment for eating disorders at the Northwestern University Feinberg School of Medicine.


Vesna Pirec MD, PhD

Board Certified Psychiatrist, Medical Director
Dr. Vesna Pirec has extensive experience with behavioral health issues specific to reproductive cycles in women, including perinatal mental health and postpartum depression, anxiety and psychosis.
Dr. Pirec received her Medical Degree at the University of Belgrade and her PhD in Pharmacology at the University of Illinois in Chicago, Department of Pharmacology.
She is the author of several textbook chapters and articles, and is a member of NASPOG (North American Society for Psychosocial Obstetrics and Gynecology) serving as Elected Board Member en Large, the Marce Sociéty for Perinatal Mental Health, Fellow Member of the American Psychiatric Association (APA), and the Illinois Psychiatric Society.  She speaks several languages, including Spanish.
Prior to joining the staff at Insight, Dr. Pirec was the Program Director of Women’s Mental Health in the Department of Psychiatry at the University of Illinois at Chicago.


Nancy Tyler, MD
Adolescent and Adult Psychiatrist

Dr. Nancy Tyler has extensive experience in mood and anxiety disorders and treatment or eating disorders in adolescents and adults. She has trained and practiced in adult psychiatry, child and adolescent psychiatry and pediatrics.
Dr. Tyler grew up in Long Island, New York and received her Bachelor’s degree from Tufts University.  She earned her MD from SUNY in Buffalo, New York, completed her pediatric residency at Columbia-Presbyterian Medical Center in New York, her psychiatry residency at Beth Israel Medical Center in New York, and her Child & Adolescent Psychiatry Fellowship at North Shore University Hospital at NYU.
Before joining Insight, Dr. Tyler was an Attending Psychiatrist at Alexian Brothers Behavioral Health Hospital where she cared for patients in the Eating Disorders and Self Injury recovery programs.  Her broad experience in a variety of settings provides a solid foundation for delivering compassionate treatment to patients at all levels of care.  Additionally, Dr. Tyler is conversant in Spanish.


Toya Roberson-Moore, MD
Child and Adolescent Psychiatrist

Toya Roberson-Moore, MD is a staff Child and Adolescent Psychiatrist for Insight. Board certified in General Psychiatry and Neurology, and Child and Adolescent Psychiatry, she believes in a holistic and integrative approach to the promotion of wellness in adolescents and families while addressing treatment of a variety of mental health concerns. Her clinical interests include treatment of eating disorders and anxiety disorders in the pediatric population. She is also committed to educating future clinicians as evidenced by her role in the co-creation of an internet based pediatric anxiety learning module, a guide for medical students in the diagnosis and treatment of Anxiety Disorders.
She received her bachelor’s degree from the University of Michigan and Doctor of Medicine from Wayne State University. She completed both her Adult Psychiatry Residency and Child and Adolescent Psychiatry Fellowship at the University of Illinois at Chicago.
Dr. Roberson-Moore distinguished herself as Chief Resident during her second year of Fellowship. She has a broad clinical base, with training in Cognitive Behavioral Therapy, Psychodynamic Therapy, Dialectical Behavioral Therapy, Family Therapy, Play Therapy and Parent Management Training. Dr. Roberson-Moore also has extensive training in working with traumatized children and adolescents. She is also deeply involved with her communities as a dancer, volunteer, and mentor.
Dr. Roberson-Moore holds an academic appointment as Clinical Assistant Professor in the Department of Psychiatry at the University of Illinois at Chicago School of Medicine. Dr. Roberson-Moore is a diplomat of the American Board of Psychiatry and Neurology. Dr. Roberson-Moore holds memberships in the American Academy of Child and Adolescent Psychiatry (AACAP), Illinois Psychiatric Society, and Illinois Council of Child and Adolescent Psychiatry.


Heather Fritz, DO
Primary Care Physician

Dr. Heather Fritz is a Primary Care Physician for Insight Behavioral Health Center’s Adult Residential program. She earned her Medical Degree at Midwestern University and completed her Family Medicine Residency at Lutheran General Hospital.
Dr. Fritz is also the Assistant Attending in the Department of Family Medicine at Mercy Hospital and Medical Center in Chicago. She is deeply involved in the schools in her community through her work at two high school based health clinics.
Dr. Fritz is Board Certified in both Family Medicine and Obesity Medicine. Dr. Fritz also holds a membership in the American Society of Bariatric Physicians.


Stacey M. Dipalma, MD
Adolescent Medicine Physician

Stacey Dipalma, MD is an Adolescent Medical Physician for Eating Recovery Center. She earned her Medical Degree at Brown University and completed a fellowship in Eating Disorders at Massachusetts General Hospital in the Martina Horner Scholars program.  She started to pursue a residency in Psychiatry planning to ultimately focus on Eating Disorders but decided to change to the medical side and completed her Pediatric and Adolescent Medicine Residency at Baystate Medical Center in Massachusetts.  While in residency she distinguished herself by earning the Emil Ferris Award as the highest scoring resident on the in house training exam.  Prior to joining Eating Recovery Center, Dr. Dipalma worked as a Staff Physician at Boston University Student Health Services where she was the Medical Director of Eating Disorder treatment services.  In addition to Eating Disorders, Dr. Dipalma specializes in contraception, acne, and plant based nutrition.  Outside of work, she enjoys spending time with her two sons (one canine and one human) as well as animal rights activities.

Lauren Kofod, MD
Adolescent and Adult Psychiatrist

Dr. Kofod is board certified in Psychiatry and Psychosomatic Medicine and has vast experience in treating eating disorder patients, and has unique expertise in treating co-occurring and co-morbid psychiatric disorders. Prior to ERC, Dr. Kofod served as a psychiatrist at two other eating disorder treatment facilities, Timberline Knolls and The Renfrew Center. She also worked in a private psychiatry practice, focusing on the treatment of mood and anxiety disorders, substance abuse, and adult ADHD. Previously, Dr. Kofod served as a psychiatrist on duty at Hall Mercer Crisis Response in PA, where she was responsible for patient care and teaching residents, and at Joan Karnell Cancer Center in PA, where she served as liaison and team leader for the palliative care team. She also provided psychiatric evaluation and management for patients of the cancer center and their families.
Dr. Kofod completed her undergraduate degree at Cornell University where she graduated with a B.A. with distinction in Biological Sciences. She then graduated with a M.D. from the University of Pennsylvania, School of Medicine, and completed her Residency in Adult Psychiatry and Fellowship in Psychosomatic Medicine from the University of Pennsylvania, Department of Psychiatry. In addition, she has had advanced psychotherapy training in the areas of hypnosis, prolonged exposure therapy for post-traumatic stress disorder, and exposure and response prevention for the treatment of obsessive compulsive disorder.

Thomas James Hartman, MD
Adolescent and Adult Psychiatrist

Dr. TJ Hartman is a staff Child and Adolescent Psychiatrist for Insight Behavioral Health Centers. Dr. Hartman received his medical degree at the University of Illinois, College of Medicine, where he then continued as a Chief Fellow. As a Chief Fellow, he worked with a variety of patient populations and psychiatric diagnosis, including mood and anxiety, eating, addictions, psychosis, autism and other developmental delays


Linda Lewaniak, LCSW, CAADC
Regional Managing Directors of Clinical – IL ED/MAP

Nationally recognized addiction treatment expert Linda Lewaniak, LCSW, CAADC joined Insight in March 2016. A widely respected therapist and administrator, Lewaniak brings over 25 years of experience in the treatment of substance abuse and comorbid mental illness.  

As Program Director of Integrated Services, Lewaniak is responsible for integration of Addiction Services across all programs and levels of care to most effectively treat the co-occurring diagnosis of substance abuse. Leveraging her extensive clinical and operational background, she oversees the delivery of evidence-based, cutting edge substance abuse treatment at Insight’s Chicagoland treatment centers and provides clinical supervision to the multidisciplinary treatment team.

Lewaniak also collaborates closely with Eating Recovery Center’s senior clinical leadership across all 25 facilities nationwide to ensure holistic integration of addiction treatment, and provides substance abuse education, training and development for mental health professionals, educators and community resources.

Elizabeth Curran, LCPC 
Clinical Director of Child & Adolescent Services

Elizabeth Curran is the Clinical Director of Child & Adolescent Eating Disorder and Mood and Anxiety Residential and Partial Hospitalization Programs at Eating Recovery Center and Insight Behavioral Health Centers in Illinois. She is a licensed clinical professional counselor specializing in the treatment of depression, anxiety, eating disorders, non-suicidal self-injury, and school refusal.

Her clinical focus is utilizing components of Family Based Therapy (FBT) with Emotion Focused Family Therapy (EFFT) to support and empower families. Her training in utilizing Dialectical Behavior Therapy (DBT) and Radically Open-Dialectical Behavioral Therapy (RODBT) allows her to provide coping strategies to support both the over controlled and under controlled client. In addition, she is focused on utilizing hierarchy-based exposures to decrease avoidance by utilizing the Exposure Response Prevention (ERP) model.


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