Diana is a nationally recognized registered dietitian and certified diabetes educator and earned her master's in nutrition science and policy from Tufts Friedman School of Nutrition.

In 2019, Diana co-founded Reversing T2D, a digital platform that helps individuals reverse, manage, and prevent pre- and type 2 diabetes. Reversing T2D uses a holistic approach to tackle diabetes focusing on plant-based nutrition, exercise, and mindset.