The Healthy Teen Project Team – A Place For Teen Eating Disorder Recovery in San Francisco Bay Area

Our multidisciplinary team consists of professionals with medical, psychiatric, therapy and nutritional backgrounds that treat teens with eating disorders. Our team has experience treating eating disorder patients across a range of environments including: in-patient medical and psychiatric hospitalization, residential treatment centers, partial hospitalization and intensive outpatient programs, as well as outpatient clinics.

Casey Crosbie, RD Lead Dietitian

Casey Crosbie, RD, CSSD
Program Director  |  Direct: 650.900.8466

Casey Crosbie is a Registered Dietitian and Board Certified Specialist in Sports Dietetics. She joined The Healthy Teen Project during its inception in 2013, playing an integral role in the development and leadership of the nutrition program. Casey previously served as the lead dietitian for the Lucile Packard Children’s Hospital Comprehensive Eating Disorders Program at Stanford from 2008-2013. It was there that she trained with leading experts in Family-Based Treatment for adolescents with eating disorders. Throughout her career, Casey has published two scholarly articles focused on the medical and nutritional needs of adolescents with eating disorders and regularly speaks at professional conferences and events. Casey is currently writing a book with colleague Wendy Sterling MS, RD, CSSD entitled “How to Nourish Your Child Through an Eating Disorder: A Simple, Plate-by-Plate Approach to Rebuilding a Healthy Relationship with Food” forthcoming from The Experiment in 2018.

Casey received her B.S. in food science and nutrition from California Polytechnic State University, San Luis Obispo and completed her dietetic internship at UC Davis Medical Center to earn her RD. She is passionate about working with adolescents and their families to break free from diet rules and establish a positive relationship with food.

Casey is a member of the following organizations:

  • International Association of Eating Disorders Professionals
  • Academy of Nutrition and Dietetics
  • California Academy of Nutrition and Dietetics
  • Sports, Cardiovascular, and Wellness Nutrition Dietetic Practice Group
  • Behavioral Health Nutrition Dietetic Practice Group
Erika Bent, LPCC Director of Clinical Operations

Erika Bent, LPCC
Director of Clinical Operations  |  Direct: 650.492.5942

Erika is a licensed professional clinical counselor in the state of California who earned her Master’s in Clinical Psychology from the University of Central Florida. Erika’s clinical experience spans across a wide range of inpatient and outpatient settings where she has gained expertise in the treatment of adolescents and adults with eating disorders. She has published research papers on body image and biological characteristics of Anorexia Nervosa, and serves of the board of the International Association of Eating Disorder Professionals.

Erika utilizes an integrative approach to treatment, emphasizing Family Based Treatment (FBT), Dialectical Behavioral Therapy (DBT), and mindfulness-based techniques. She has completed trainings in FBT with Dr. Katharine Loeb at Farleigh Dickinson University and Dr. Kara Fitzpatrick at Stanford University, and is currently pursuing certification in FBT.

Erika is passionate about helping adolescents and families in their journey to recovery. Her treatment philosophy promotes a collaborative therapeutic relationship while empowering individuals and families to cultivate their own path to wellness.

Erika is a member of the following organizations:

  • International Association of Eating Disorder Professionals
  • California Association of Licensed Professional Clinical Counselors
  • Association of Professionals Treating Eating Disorders San Francisco
  • National Eating Disorders Association
  • Association for Anorexia Nervosa and Associated Disorders
Susanne Martin, MD Medical Director

Susanne Martin, MD
Medical Director  |  Direct: 650.946.1971

Dr. Susanne Martin is Board certified in Internal Medicine and Adolescent Medicine. She completed her Internal Medicine residency at Yale School of Medicine followed by a three-year Fellowship in Adolescent Medicine at Stanford University School of Medicine in 2014. She has been working at The Healthy Teen Project since beginning of 2015. She stepped into the role of Medical Director beginning of 2017.

In addition to The Healthy Teen Project, Susanne works as a Clinical Instructor at the College Health Center Vaden, Stanford School of Medicine and at Sutter/Palo Alto Medical Foundation (PAMF) in urgent care. She is also the primary care provider for a residential treatment program that specializes in treating eating disorders in adolescents.

Susanne’s professional interests include adolescent growth and development as well as management of eating disorders in adolescents. Her research focused on bone health and hormonal balance in adolescents. Susanne has experience in wilderness medicine through volunteer work in search and rescue. In the future, she would like to learn more about complementary medicine and integration into her clinical work.

She is fluent in German.


Katie Bell, NP Co-Founder and Medical & Psychiatric Nurse Practitioner

Katie Bell, NP
Co-Founder and Medical & Psychiatric Nurse Practitioner  |  Direct: 650.900.8228

Katie Bell is a board certified Nurse Practitioner in Adolescent and Adult Medicine and Psychiatric Mental Health with a sub-specialty in Eating Disorders. Katie received her Nurse Practitioner degree from University of California, San Francisco in 2003.

Prior to joining The Healthy Teen Project Katie provided medical and psychiatric care to adolescents and adults at The Carlton Clinic and the intensive outpatient eating disorder program at Kaiser Permanente. She also did community outreach work with Bay Area schools to improve early identification of eating disorders.

Katie is invited to speak at local and national conferences on eating disorders.

Katie is a member of the following organizations:

  • Academy for Eating Disorders
  • American Psychiatric Nurses Association
  • California Association of Nurse Practitioners


Jennifer Zumarraga, MD Co-Founder and Medical Director

Jennifer Zumarraga, MD
Co-Founder and Psychiatrist  |  Direct: 650.946.1972

Dr. Jennifer Zumarraga is a board certified psychiatrist in both General Psychiatry and Child and Adolescent Psychiatry. She has over ten years of experience in working with children of all ages. She started out in research at the National Institute of Mental Health working with youth with ADHD.  She continued her training at the University of Rochester and the University of Southern California.

Jen was formerly the Medical Director of ASPIRE, After-School Program Interventions and Resiliency Education at El Camino Hospital. She was involved in the formation of this specialized program for teens in response to the glaring shortage of services for adolescents with anxiety and mood disorders and the lack of resources for their families.

Jen’s professional interests include Dialectical Behavioral Therapy and working with individuals with eating disorders, anxiety, and depression. She believes that in combating these illnesses, we must use the bio-psycho-social model, which includes working with the individual and family to address the educational issues, social/relationship difficulties, and medical aspects in order to treat the whole individual.

Dr. Zumarraga is a member of the following organizations:

  • American Psychiatric Association
  • American Academy of Child and Adolescent Psychiatry
Anne Hsii, MD Medical Provider

Anne Hsii, MD
Medical Provider  |  Direct: 650.900.8463

Dr. Anne Hsii is board certified in Pediatrics and Adolescent Medicine. She completed her Pediatrics residency at the Kaiser Permanente Los Angeles Medical Center and her Adolescent Medicine fellowship at Stanford University’s School of Medicine.

In addition to HTP, Anne is a Clinical Instructor with the Division of Adolescent Medicine at Lucile Packard Children’s Hospital and she works on the Adolescent Health Van sponsored by Stanford Children’s Health. She also works in Kaiser Permanente’s Pediatrics Urgent Care and the General Pediatrics and Young Adult Clinic at Gellert Health Services.

Anne’s professional interests includes reaching out to medically underserved/uninsured youth, reproductive health care, substance use, and eating disorders in adolescents.

Lorraine Wong, PhD Therapist

Lorraine Wong, PhD
Lead Therapist  |  Direct: 650.946.1396

Dr. Lorraine Wong, a licensed clinical psychologist, earned her doctorate degree in Clinical Psychology at Palo Alto University. She has expertise and special interests in treating eating disorders, anxiety, and group therapy. Her initial research and training in trauma led her down the path of completing her postdoctoral residency at Kaiser Permanente with a focus on addiction, group therapy and eating disorders. This is where Lorraine made a decision to devote her career to working with individuals with eating disorders and their families. She takes great pride in helping teens identify and change patterns of behavior that prevent them from living a fulfilling life and growing into their true selves. She believes in drawing upon their’ strengths to promote resiliency and psychological growth. Lorraine believes every person is unique and deserves to treat themselves with compassion.

Lorraine’s training spans across a wide range of inpatient and outpatient clinical settings including the Palo Alto Veterans Administration, Kaiser Permanente Department of Adult Psychiatry, Kaiser Permanente Chemical Dependency Recovery Program, the Early Intervention Trauma Clinic and the Feeling Good Institute. She enjoys working with a multitude of ethnically and culturally diverse backgrounds and welcomes incorporating cultural identity into her practice. She has specialized training in cognitive behavioral therapy, motivational interviewing, mindfulness based approaches, and acceptance and commitment therapy. She has completed training in Family Based Therapy (FBT) for Adolescents, through Stanford University. Lorraine also has a small private practice in Mountain View, CA.

Lorraine is a member of the following organizations:

  • Academy of Eating Disorders
  • American Psychological Association
  • California Psychological Association
  • Santa Clara Psychological Association
  • Northern California Cognitive Behavioral Therapy Network
  • Association for Behavioral Contextual Sciences
Katy Lackey, MSW Therapist

Katy Lackey, MSW
Therapist  |  Direct: 650.492.5936

Katy received her Master’s degree in Social Work from the University of Southern California. She earned her Bachelor of Science degree in Psychology from Cal Poly, San Luis Obispo with an emphasis on individuals and families, and a minor in women and gender studies. Prior to joining The Healthy Teen Project, Katy completed a clinical internship at a sub-acute psychiatric mental health center for adults living with severe and persistent mental illnesses. Katy also completed a clinical internship at a non-profit organization where she served youth and families with mental health needs in the foster care system. Katy has worked with college-aged students dealing with alcohol-use issues, eating disorders, and other mental health concerns.

Katy is deeply committed to supporting individuals and families through the recovery process. Katy is passionate about enhancing the lives of people who are impacted by eating disorders, as she wants each individual and each family to embrace their potential and grow well beyond these disturbing illnesses. Katy’s clinical interests include Cognitive-Behavioral therapy, Dialectical Behavioral Therapy, grief and loss, family dynamics, and mindfulness. She also honors the complexity of each individual’s mind-body-spirit connection by including holistic approaches such as yoga and creative writing into her clinical approach.

Katie Peterman, PsyD Therapist

Katie Peterman, PsyD
Therapist  |  Direct: 650.935.4330

Katie Peterman, Psy.D. is a licensed psychologist in the state of California, and she earned her doctorate degree in clinical psychology from Alliant International University in San Francisco. Katie completed her predoctoral internship at Temple University in Philadelphia, where she conducted therapy, assessment, and crisis intervention with college students, as well as co-facilitated emotion regulation skills groups and process groups for women with eating disorders. She spent her post-doctoral training working in an outpatient practice specializing in Dialectical Behavioral therapy (DBT), where she worked individually and in groups with teens and adults with a variety of issues that interfered with their quality of life. Katie is thrilled to be part of the team at The Healthy Teen Project, as she is especially passionate about working with young people with eating disorders and their families.

Katie aims to create a supportive and collaborative relationship with each client and adapts her approach with respect to their unique needs, values, and goals. She enjoys working with people of all different backgrounds and considers the biological, psychological, social, and cultural factors that shape each person’s experience. She integrates mindfulness-based and cognitive-behavioral interventions that promote insight, self-compassion, and skills to navigate challenges and build a meaningful life. Katie believes in each person’s inherit resiliency, and she is committed to helping teens and families reconnect with their strengths as they break free from an eating disorder.

Kira Olson, AMFT,APCC Therapist

Kira Olson, AMFT, APCC
Therapist  |  Direct: 650.900.8465

Kira Olson is an Associate Marriage and Family Therapist/Professional Clinical Counselor. She completed her Master’s degree in Marriage and Family Therapy at Western Seminary, having earned a Bachelor of Arts in Psychology and a Bachelor of Science in Exercise Science in 2007. She has worked with a variety of populations in diverse settings, including eating disorders, addictions, and developmental disabilities. Prior to her clinical role, Kira worked as a Group Home Counselor and Life Skills Coach. She has over 5 years of experience in community education and outreach, program development, and referral relations for eating disorder programs, including the Eating Disorders Resource Center and Castlewood Treatment Centers. She completed a year of clinical internship at Momentum for Mental Health, in which she provided individual counseling for transitional age youth with complex mental health diagnoses.

In addition to The Healthy Teen Project, Kira works as a therapist at Community Health Awareness Council, both in the counseling center and in a local middle school. Her approach is creative and client-centered, integrating Solution-focused Therapy, Cognitive Behavioral Therapy (CBT), and Dialectical Behavior Therapy (DBT). She conceptualizes the eating disorder through a bio-psycho-social model in order to treat the whole individual and address both internal and external systems. By attending to the underlying causes and function of the eating disorder, developing healthier coping strategies, and strengthening one’s core sense of self, she believes full recovery is possible.

Kira additionally participates in local advocacy and education events, has been a guest speaker on CreaTV and KBAY 94.5, and has had her writing featured in recovery blogs and newsletters such as Eating Disorder Hope and Recovery Warriors.

Kira is a member of the following organizations:

  • California Association of Marriage and Family Therapists (CAMFT)
  • Academy for Eating Disorders (AED)
  • International Association of Eating Disorder Professionals (IADEP), Bay Area Chapter Board Chair
  • Eating Disorder Recovery Support (EDRS), Former Board Committee Member
  • Dancing with ED, Board Member
Eliza Liittschwager Milieu Therapist

Eliza Liittschwager
Milieu Therapist  |  Direct: 650.900.8465

Eliza is the Milieu Therapist at The Healthy Teen Project. She is responsible for the oversight of all clients in the program over the course of the day, and ensures a safe, friendly, and recovery-oriented space for all adolescent clients at The Healthy Teen Project. Eliza earned her Bachelor of the Arts degree in Psychology from the University of California, Santa Cruz with a minor in Anthropology. Prior to joining the Healthy Teen Project, Eliza worked at Stanford University in the Solutions Science Lab on two behavior-change research interventions. Eliza is passionate about body positivity, mindfulness, and helping individuals and families heal from eating disorders.

Aparna Ramadurai, RD Dietitian

Aparna Ramadurai, RD
Dietitian  |  Direct: 650.935.4140

Aparna Ramadurai MS, RD is a Registered Dietitian with over 13 years experience in clinical nutritional management, medical and surgical weight management, health education and wellness. She manages a private practice In San Jose/Los Gatos, CA where she works with adolescents/young adults suffering from Eating Disorders as well as with those suffering from other health and lifestyle-related illnesses. She has also worked with individuals undergoing bariatric surgery who struggle with eating disorders before and after surgery. Aparna is passionate about enabling her clients to “savor and enjoy food again” and utilizes a personalized approach to Nutritional and Lifestyle Management.

Aparna completed her Masters/Certificate training in Nutrition & Dietetics at Loma Linda University, CA and her internship at Scripps Memorial Hospital in La Jolla, CA. She recently moved to the Bay Area from San Diego.

Aparna is a member of the following organizations:

  • Academy of Nutrition & Dietetics
  • Weight Management Dietetic Practice Group
  • Nutrition Entrepreneurs Dietetic Practice Group
Kacey McCormack, RD Dietitian

Kacey McCormack, RD
Dietitian  |  Direct: 650.935.4331

Kacey McCormack is a Registered Dietitian and Intuitive Eating Certified Counselor. Prior to joining The Healthy Teen Project in 2017, Kacey served as the dietitian at Cielo House Comprehensive Eating Disorder Recovery Program. She has also worked with athletes at the University of Oregon and in a corporate wellness program at Intel in Mountain View, CA. Kacey manages a private practice in Los Altos, CA where she works with individuals suffering from Eating Disorders. Kacey is currently in the process of becoming a Certified Eating Disorder Registered Dietitian (CEDRD). Kacey is passionate about helping individuals heal their relationship with food, their bodies, and exercise.

Kacey received her Bachelor of Science in Dietetics from California State University, Chico. She earned her Master’s Degree in Family and Consumer Sciences, with an emphasis in Dietetics, from Eastern Illinois University and completed her dietetic internship at Carle Foundation Hospital in Urbana, IL to earn her RD.

Kacey is a member of the following organizations:

  • Academy of Nutrition & Dietetics
  • The International Association of Eating Disorders Professionals Foundation

Diana Iniguez
Office Manager and Intake Coordinator  |  Direct: 650.935.4111

Diana is the Office Manager for The Healthy Teen Project. She has over 20 years of office management experience for a wide range of medical practices and brings expertise in executive administration, human resources, insurance contracting, billing and client relations.

Kim Krichbaum
Reception  |  Direct: 650.941.2300

Kim runs the front desk at The Healthy Teen Project and will be your first point of interaction. Kim has over fifteen years working in Bay Area health clinics in a wide range of capacities. Most recently, Kim was with The Carlton Clinic in Mountain View.

Tom Brehme
CFO/COO  |  Direct: 650.900.8464

Tom is the Chief Financial Officer and Chief Operating Officer for The Healthy Teen Project. He brings over 20 years of investment banking, strategic advisory, financial and accounting experience having worked with a large number of companies ranging from early stage technology companies to large multinational corporations.


Our Advisory Board

Our advisory board consists of eating disorder professionals that are actively involved in generating awareness and directing eating disorder treatment in the Bay Area.

Kathleen Kara Fitzpatrick, PhD, FAED

Kathleen Kara Fitzpatrick, PhD, FAED

Dr. Kathleen Kara Fitzpatrick works at Stanford University/LPCH’s Eating Disorders and Bariatric Surgery Clinics and is a Clinical Assistant Professor in the Department of Psychiatry. Her research work focuses on evaluation of clinical treatment modalities for eating disorders, as well as training and consultation. Currently, her research focus is on neuropsychological functioning associated with eating disorders, malnourishment and changes in weight. Clinically, Dr. Fitzpatrick’s work evaluates treatments for children and adolescents including Family-Based Therapy (FBT), Cognitive Remediation Therapy (CRT), and novel treatments for extreme picky-eating and medical feeding concerns.

Nan Shaw, LCSW Program Director

Nan Shaw, LCSW

Nan Shaw, LCSW, is a licensed clinical social worker and FBT credentialed therapist. Nan has been treating eating disorders for over 30 years, working in both inpatient and outpatient settings and specializing in treating both eating disorder sufferers and their families.

In addition, Nan had a 21-year tenure with Kaiser Permanente, serving as the clinical and administrative lead in the Eating Disorder Treatment Program at Oakland Kaiser, as well as holding the position of Best Practices Chair for Eating Disorders for Northern California Kaiser. Nan developed and implemented several group programs (DBT, ACT) as well as established an eating disorder medical clinic in the department of medicine to treat patients needing urgent medical care. Nan participated in writing and updating Best Practices recommendations, developing training programs and organizing conferences for evidenced-based eating disorder treatments, facilitating a weekly advisory panel for providers to consult on difficult cases, piloting technologies to use with eating disorder clients, and developing procedures to measure outcomes. Nan also wrote a training manual for new providers to the
field of eating disorders (“Mistakes and Missteps in Working with Eating Disorder Patients and Strategies for Clinicians to Manage Them”).

Nan joined The Healthy Teen Project in 2014 as Program Director and is now in private practice, continuing to work in the field of eating disorders.

(925) 876-5943  |  |
Barbara Birsinger,ThD, MPH, CEDRD

Barbara Birsinger, ThD, MPH, CEDRD

Barbara Birsinger, ThD, MPH, CEDRD, (Founder, the Behavior Decoding Method™) has helped individuals for over 25 years transform their behaviors, beliefs and identities stuck in disordered eating and weight-related symptoms across the spectrum, working with a Health At Every Size® approach and her unique Intuitive Eating Program. Dr. Birsinger is passionate about helping others heal, having recovered herself over three decades ago. Currently, she practices at The Body Positive Institute in San Rafael, Integrative Medical Clinic of Santa Rosa, Petaluma, and virtual counseling with clients world-wide. She conducts research, workshops and professional CE-trainings in her Behavior Decoding Method™ and develops innovative products for client success. Since her training at UC Berkeley in Public Health, she continues to bring a depth of modalities to her practice as a Certified Eating Disorders Registered Dietitian, Medical Nutrition Therapist, Certified Master NLP Practitioner, Licensed HeartMath® Trainer, Certified Quantum Healing Hypnosis® Therapist, and Licensed Spiritual Counselor with a Theology Doctorate in Spiritual Healing and Energy Medicine. Dr. Birsinger currently serves as Vice President on the Board of Directors of Eating Disorders Support, Inc, and also on the Boards of Andrea’s Voice Foundation and the Integrative Medical Foundation.

Joe Kelly

Joe Kelly

Joe Kelly is an author and speaker who advocates on issues of men in families. He teaches professionals how to use men as resources, and leads groups for men whose loved ones have eating disorders.

A co-founder of Dads & Daughters and New Moon Girls magazine, Joe is the author of 10 books, including Dads & Daughters®, The Body Myth: Adult Women & the Pressure to Be Perfect (with Dr. Margo Maine), and The Complete Idiot’s Guide to Being a New Dad. His awards include the Eating Disorders Coalition’s Activist of the Year and Women’s Sports Foundation Title IX Father of the Year.

Joe serves on advisory boards for Campaign for Commercial-Free Childhood, Ophelia’s Place, Take Our Daughters & Sons to Work Day, and Voice Malemagazine.

Elizabeth Scott, LCSW is a pioneer in the field of eating disorders prevention and treatment. She has been practicing psychotherapy for 24 years, specializing in treating women and girls with eating and body image problems.

Elizabeth Scott, LCSW

Elizabeth Scott, LCSW is a pioneer in the field of eating disorders prevention and treatment. She has been practicing psychotherapy for 24 years, specializing in treating women and girls with eating and body image problems. In addition to her private practice she provides training, supervision, and continuing education to psychotherapists who treat clients with eating and body image problems. In 1996, Elizabeth co-founded The Body Positive to start a movement to transform the beliefs people hold about beauty, health, and identity that result in body hatred and eating disorders. Elizabeth consults to secondary schools, universities, and professional organizations to develop peer-led activism programs promoting student resilience against the development of eating disorders. She has trained educators nationwide to bring The Body Positive to more than 600 school districts. The Marin County Board of Supervisors honored Elizabeth as a Public Health Hero for her work in eating disorders prevention.

Click here for more information about The Body Positive.

A Place For Adolescent Eating Disorder Recovery