Inclusion Criteria:  Are between 14 and 18 years of age Have a BMI between the 85th and 99th percentiles for sex and age as determined by the CDC growth charts Are currently living at home with a parent or guardian Have at least one parent or guardian who is willing to participate in the study Are willing to complete baseline assessment tasks Have a smartphone, are willing to download an app to track food intake and complete surveys on the phone for two seven-day periods throughout the course of the study, and are willing to wear a fitness tracker during these same two week-long periods Are located in the US and wiling/able to participate in remote intervention and assessments  Exclusion Criteria:  Acute suicide risk Inability to engage in physical activity (defined as walking two city blocks without stopping) Have diabetes or a history of bariatric surgery Current medical or psychiatric condition that may pose a risk to the participant during intervention, cause a change in weight, or limit ability to comply with the program (i.e., bulimia nervosa, substance abuse disorder, psychosis, bipolar I disorder, and/or any condition prohibiting physical activity) Are pregnant or planning to become pregnant in the next 2 years Recently began or changed the dose of a medication that can cause significant change in weight Have experienced weight loss ≥ 5% in the previous 6 months Are planning to begin in the next 16 months, or are currently participating in, another weight loss treatment or psychotherapy for binge eating and/or weight loss Are engaging in compensatory vomiting, other severe compensatory behaviors, or more than 12 of any compensatory behaviors in the previous 3 months Are currently taking medication (e.g., Contrave, Alli, etc.) which is specifically intended for weight loss