This randomized control pilot trial will evaluate a 12-week intervention to decrease sitting time and increase standing time and light physical activity among sedentary older adults a body mass index > 30 kg/m2 as compared to control group. Baseline and 12-week measurements include anthropometric measures, blood draw by finger stick, cardiovascular health assessments, physical function tasks, and a survey. The intervention will consist of two in-person visits with a health coach followed by phone-based coaching.