Developing a Lifestyle Intervention for South Asians

Inclusion Criteria: 1. age \> 18 years; 2. confirmed diagnosis of prediabetes or T2D (documented A1c of ≥ 5.7%, 2-hour post-load glucose of \>140, or FBG of \>100); 3. a family member or peer willing to participate and attend all sessions as a social influencer; 4. proficiency in English of at least one member of each dyad, 5. willingness to provide written consent. Exclusion Criteria: 1. type 1 diabetes or diabetes secondary to other conditions (e.g. steroid-induced, pancreatic insufficiency, or chemotherapy-induced); 2. malignancy or life-threatening illness with life expectancy of \<5 years; 3. end-stage disease or serious illness that prohibits participation (e.g. end-stage renal disease or class IV congestive heart failure); 4. inability to perform unsupervised physical activity; 5. pregnancy; 6. diagnosed cognitive deficits or limited decision-making capacity; 7. alcohol or substance abuse; 8. homelessness or no fixed address.