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Child & Adolescent Psychiatry Fellows

  • Afifa Adiba, MD, completed her psychiatry residency at University of Mississippi Medical Center (UMMC). She served as a chief resident of UMMC Adult Psychiatry Program. During her residency, Adiba was involved with advocacy and research. She worked with the local organizations to reduce stigma against mental health and gave several talks to the community against the stigma associated with children’s mental health. She believes that practitioners who care for children are in a great position to promote programs and activities for children’s wellbeing. She worked in a teen suicide and depression prevention project and presented to local church, school and seminars to educate the children, parents and teachers on children mental health. She also worked with her team to establish a trauma informed care system in Mississippi by using data from the patient cohort explorer to identify traumatic events in children. During her residency, she was associated with Jackson State University in a research project focused on depression, teen suicide and electronic bullying which involved in collecting data and analyzing results from the CDC survey. One of her recent research on impact of cyberbullying on teen suicide was awarded as the 2019 Beatrix A. Hamburg, MD, Award for Best New Research Poster in the AACAP annual meeting. Along with her research, she has also embraced leadership works and teaching in her career. She graduated from the Mississippi State Medical Association Physician Leadership Academy and was awarded the Nina Moffitt Award from her program and Doctor of Distinction form Mississippi State Medical Association for outstanding leadership and clinical excellence. In her fellowship, she wants to focus on pediatric trauma, depression and suicide in her clinical experience and research. In her spare time, she loves travelling, hiking and enjoying different cuisine. Her goal is to hike in all the national parks in the United State.

  • Ayodola Adigun


    Born in Texas, Ayodola completed her undergraduate degree at Harvard University, with a cum laude plus thesis project on the effect of visual impairment on children’s self-concept. She received two Masters degrees—one in Biology Education at Pace University  and one in Neuroscience and Education at Columbia University , prior to medical school at Ross. She was a former tenured high school teacher at the Thomas Jefferson High School campus, in East New York , currently serves as an active mentor in her community. She is the author of, "Look at My Eyes” - a children's book for individuals with Autism Spectrum Disorder; contributed chapters to the Encyclopedia of Autism; and has a passion for publishing more story book and interactive books for children and their families. She facilitates a monthly meet up for NYC creatives, The Right Brain Gathering, which provides artists an open communal space for exploration of mental and emotional states. She also curated an interactive art gallery titled, ‘FEELS: Exploring Emotional Spectrums through Art,’  in Brooklyn, NY, with multi-media art work presented by NY based and international artists which served as a provocative medium for mindfulness practice. She is interested in mindfulness and the utilization of creative/expressive arts as a therapeutic modality in her clinical work, and curating/facilitating experiences which welcome the intersectionality of mental heath and the arts.  She is a fluent Spanish-speaker.

  • Ravi Anand earned his BS in Biology at Oakland University in Rochester, MI, his MD at Tulane University, and received his adult psychiatry residency training at the Medical University of South Carolina in Charleston. In residency, he served as co-leader of Psychiatry in America, a resident discussion group covering sensitive topics such as race, politics, gender, and the culture of medicine. During that time he also served as co-chair of Indivisible Charleston, a local branch of a nationwide advocacy group. He is a recipient of the Gold Humanism Award. Ravi has an abiding interest in mindfulness meditation and has served as a live-in volunteer at meditation centers and monasteries worldwide. His hobbies include music composition, reading, and exercise.

  • Dr. Drozdowicz graduated summa cum laude from the University of Connecticut with a B.S. in Molecular and Cell Biology and earned her M.D. from the Mayo Clinic School of Medicine. She completed residency training in general psychiatry at Mount Sinai Hospital, where she served as Chief Resident in her final year. She is now a clinical fellow in Child and Adolescent Psychiatry here at Yale. Dr. Drozdowicz has interests in leadership, medical education, the medicine-media interface, as well as couples' and sex therapy. She was an American Psychiatric Association Leadership Fellow as well as the American Board of Psychiatry and Neurology Senior Resident Administrative Fellow. She also plans to be a clinician educator, and she was recently awarded the George Ginsberg Fellowship from the American Association of Directors of Psychiatric Residency Training, recognizing her work in medical education.

  • Oscar Gerdner

    Oscar Gerdner, M.D., serves as Chief Fellow in child and adolescent psychiatry at the Yale Child Study Center. He is passionate about providing excellent patient care and "making the world a better place for kids and their families."

    Raised in Connecticut, Dr. Gerdner studied psychology at Georgetown before returning home to the University of Connecticut for medical school. At UConn, he was selected by his classmates for induction into the Gold Humanism Honor Society and did research on the roles of fathers in caring for children with HIV. After earning his M.D., Dr. Gerdner trained in adult psychiatry at Harvard Medical School’s Massachusetts General Hospital and McLean Hospital. At Harvard, he served as a Chief Resident and completed a Fellowship in Psychoanalytic Psychotherapy with the Boston Psychoanalytic Society and Institute. He also served on the premedical committee of Harvard College's Currier House and pursued advanced training in personality disorders and Mentalization-Based Treatment (MBT) at McLean.

    A board-certified general psychiatrist, Dr. Gerdner serves as an assistant editor for the Harvard Review of Psychiatry and has written book chapters on cognitive behavioral therapy (CBT), dialectical behavior therapy (DBT), motivational interviewing, and autism spectrum disorders. He has published on the nature of the patient-physician relationship and has presented at national conferences on difficult-to-treat psychiatric conditions and on innovations in medical education.

    Dr. Gerdner is thrilled to be subspecializing in child and adolescent psychiatry at Yale, where he has had the honor of being elected Chief Fellow by his peers and faculty. At Yale, he has also had the privilege of teaching an undergraduate course on the neuroscience, psychology and history of mindfulness. In his free time, Dr. Gerdner enjoys hanging out with his family, playing video games, discovering new music, and exploring beautiful Connecticut by bicycle.

  • Shehryar Khan

    Shehryar Khan is currently specializing in child & adolescent psychiatry at Yale and serving as a Chief Fellow. He has research experience studying suicide mortality in adolescents and investigating psychological factors (including sleep disturbance, suicide mortality and substance use disorders) associated with chronic pain. He has a particular interest in and is passionate about parenting interventions especially during early childhood years. He loves hiking and playing soccer, tennis and golf during his free time in New Haven.

    He obtained his M.D. from Weill Cornell Medical College in Qatar of Cornell University where he served as a member of the Medical School Executive Council. He completed his General Adult Psychiatry Residency at Henry Ford Health System in Detroit where he also served as the Chief Resident.

  • Hyun-Hee Kim received her BS in Biology from McGill University in Montreal, QC. She worked as a behavioral therapist prior to pursuing her MD at the Medical College of Wisconsin. She completed her general psychiatry residency at Duke University Hospital in Durham, NC, where she served as the outpatient chief resident. Her main area of interest is transgender health. During residency, she helped to create the Gender Care elective, providing gender-affirming psychiatric care to trans and non-binary adolescents, with her mentor, Dr. Marla Wald and the pediatric endocrinology team at Duke. She has also been active in physician advocacy efforts since medical school, primarily focusing on LGBT health disparities, and community organizing around Medicare for All and Medicaid expansion. Outside of medicine, she enjoys flow/circus arts, cats, and the Simpsons (S3-10). 

  • Alicia Londono

    Alicia was born and raised in Bogota, Colombia. She went to Los Andes University medical school where she studied the consequence of violence on the mental health of two populations exposed to armed conflict. During medical school, Alicia participated in a rotation at the mood disorder unit of the Mayo Clinic and collaborated with colleagues from UCSF to study risk and resilience factors for mental illness in vulnerable populations living in low income neighborhoods in Bogota. She moved to New Haven CT to train in adult psychiatry at Yale University where she served as program wide chief-resident during her last year of training. Alicia is currently specializing in child and adolescent psychiatry at the Yale Child Study Center and has a particular interest in the development of online tools to deliver evidence based psychotherapies and psycho-education to children and their families.

  • Karla Molinero received her undergraduate M.Sc.B. degree at St. John Fisher College in Rochester, NY and her MD from State University of New York Upstate Medical University. She is currently working on her Master of Science in Business Administration with a concentration in Medical Management at the University of Rochester, Simon Business School in Rochester, NY while she completes her 3rd year of general psychiatry training from the University of Rochester Medical Center. Karla is currently an active member in the (URMC) underrepresented minority resident committee, resident mentor, and lecturer in her training program at Rochester. She is also a resident mentor at St. Joseph's Neighborhood Center a community mental health clinic and her hobbies include art, painting, film, music, outdoor activities.

  • Allison received her undergraduate BS degree in Psychology at Florida State University in Tallahassee, Fl and her DO at Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine. Upon graduation, Dr.Nussbaum was the recipient of the Albert L. Weiner Memorial Psychiatry award for excellence in the field of psychiatry.  She graduated from the Psychiatry residency program at University of Florida, Jacksonville in 2019. She has research experience in school mental health, investigating parental satisfaction with this setting for treatment. She presented the findings at the annual AACAP conference in 2018. Allison is also very interested in the area of collaborative care. While at UF, she assisted with the training of pediatricians in the area on diagnosis and treatment of common psychiatric disorders in youth. She is also interested in early childhood development and attachment and hopes to pursue further education in these areas. Her hobbies include reading, competing in her fantasy football league, and spending any free time with animals, especially her two awesome cats.

  • Cara Toretta

    Cara Toretta earned her SB and SM from MIT in Nuclear Science and Engineering with Biomedical Engineering minor and her MD from Oakland University William Beaumont School of Medicine. She completed her adult residency training at Harvard Longwood in Boston where she served as chief resident during her 4th year. Prior to medical school she worked for a healthcare consulting firm. Her interests are Ice Hockey, Sailing, Painting, International Travel, Visual/Performing Arts.