**AWARDS ISSUED PRIOR TO JANUARY 20, 2025, WERE FUNDED UNDER PREVIOUS ADMINISTRATIONS AND MAY NOT REFLECT THE PRIORITIES AND POLICIES OF THE CURRENT ADMINISTRATION.** IN COLLABORATION WITH DRS. CORBY MARTIN AND JOHN APOLZAN, THE PROJECT DIRECTOR (PD), DR. CHLOE LOZANO, LED THE DEVELOPMENT AND CONDUCTED PRELIMINARY EVALUATION OF THE PORTIONSIZE ED MOBILE APP AT THE PENNINGTON BIOMEDICAL RESEARCH CENTER (PBRC), IN LOUISIANA. PORTIONSIZE ED IS A DIETARY ASSESSMENT AND NUTRITION EDUCATION APP THAT PROVIDES REAL-TIME FEEDBACK TO THE USER ON ADHERENCE TO PERSONALIZED DIETARY RECOMMENDATIONS. IN COLLABORATION WITH KEY STAKEHOLDERS AT THE UNIVERSITY OF HAWAII (UH), HAWAII EXTENSION, PBRC, AND INDUSTRY, THE GOALS OF THIS TWO YEAR INTEGRATED EXTENSION AND RESEARCH POSTDOCTORAL FELLOWSHIPARE TO TAILOR PORTIONSIZE ED FOR YOUTH IN THE HAWAII EXPANDED FOOD AND NUTRITION EDUCATION PROGRAM (EFNEP), DEVELOP A MODIFIED EFNEP CURRICULUM THAT FACILITATES THE USE OF PORTIONSIZE ED, AND TO TEST THE FEASIBILITY, ACCEPTABILITY, AND PRELIMINARY EFFICACY OF INTEGRATING PORTIONSIZE ED WITH EFNEP FOR IMPROVING DIET QUALITY AMONG YOUTH IN HAWAII. DR. RACHEL NOVOTNY AT UH IS THE PRIMARY MENTOR, AND DR. MARTIN AT PBRC IS A COLLABORATING MENTOR. THE AFRI FARM PRIORITY AREA OF THIS POSTDOCTORAL FELLOWSHIP IS FOOD SAFETY, NUTRITION, AND HEALTH AND IT ADDRESSES FOOD AND NUTRITION TRANSLATION. THIS RESEARCH WILL BUILD ON THE PD'S EXPERIENCE IN DEVELOPING MHEALTH APPS AND DELIVERING RANDOMIZED CONTROLLED TRIALS. THE PROJECT SUPPORTS ONE OF EFNEP'S KEY PRIORITY AREAS, WHICH IS TO STRENGTHEN SCIENCE-BASED LEARNING METHODS AND ENHANCE TEACHING TECHNIQUES WITH APPROPRIATE NEW TECHNOLOGIES, SOCIAL MEDIA, AND SOCIAL-ECOLOGICAL APPROACHES. THROUGH THE ACTIVITIES OF THIS PROJECT, THE PD WILL MEET THE REQUIREMENTS TO BE AN INDEPENDENT RESEARCHER AT UH.