Ashley Angeles

Ashley AngelesAssistant Clinical Research Coordinator

Ashley works with families who previously participated in ReCHARGE to complete our national study, ECHO. She is also responsible for recruitment and the coordinating of visits for both our Puberty and ReCHARGE studies.

Alex Asera

Alex AseraAssistant Clinical Research Coordinator

Alex is responsible for recruitment of families to participate in the ReCHARGE study, coordinating appointments, and guiding families through the process of completing study forms. She will also coordinate study appointments for Spanish-speaking participants in the near future.

Stephanie Averill

Stephanie AverillClinical Research Project Manager

Stephanie manages the ReCHARGE and ECHO studies.

Lauren DuBoe

Lauren DuBoeAssistant Clinical Research Coordinator

Lauren helps ReCHARGE clinicians and staff run our in-clinic visits, including guiding participants through the visit process. She also recruits families to the study and collects self-administered questionnaires from our participants.

Sergio Heredia

Sergio HerediaClinical Research Coordinator

Sergio coordinates and conducts in clinic appointments, recruits families to be a part of the ReCHARGE and ECHO studies, is actively involved in the enrollment process, is a point of contact for families to ask questions about participation, and conducts Grandparent interviews to expand on our research regarding genetics and the environment in relation to child development.  

Crystal Herrera

Crystal HerreraResearch Clinic Supervisor

Crystal oversees the clinical research team and the day to day operations of the ReCHARGE Study.

Phoebe Lim

Phoebe LimAssistant Clinical Research Coordinator

Phoebe’s daily tasks include recruitment of families for participation, assistance of scheduling appointments, and completion of participant interviews. She also reaches out to the grandparents of participants, conducting study protocol and guiding them through the Grandparent Study for ReCHARGE.

Masa Pravdic

Masa PravdicClinical Research Coordinator

Masa works with families through each stage of their participation in our study, from recruitment and clinic scheduling, to administering assessments with child participants, and conducting medical history, mental health, and environmental exposures interviews with parents. She strives to create as positive, supportive, and meaningful an experience as possible for our families, both to express our gratitude for their participation, as well as to provide them with the reassurance that whatever challenges they may be facing, they do not have to do so alone!


Melissa Sandoval

Melissa SandovalClinical Research Coordinator

Melissa’s main responsibilities include enrolling new participants, coordinating clinic visits, administering study questionnaires and assessments, collecting and entering data. She serves as one of the primary contacts for participants and other study units we work with. She also ensures protocols are up-to-date, so clinic visits run smoothly and helps with the training of new staff and student assistants.

Tim Sullivan

Tim SullivanPhlebotomy Technician

Tim works in the laboratory, processing, storing, and documenting all of the biological samples collected for ReCHARGE and ECHO, including blood, urine, saliva, hair, and more. He also preforms some of the blood draws.

Florence Wu

Florence WuAssistant Clinical Research Coordinator

Florence primarily coordinates and conducts the environmental exposure phone interviews. She also recruits and schedules families for participation in the study and assists with data entry.

Nancy Yang

Nancy YangAssistant Clinical Research Coordinator

Nancy manages the medical records department of the ReCHARGE study. She oversees the abstraction process of medical records and requesting medical records for all participants.


Susan Bacalman, L.C.S.W.
Jazmin Burns, Psy.D.
Brandi Chew, Ph.D.
Elise Hanzel, Ph.D.
Agnieszka Mlodnicka, Ph.D.