Rip Esselstyn is a renowned health advocate and author, born in 1963. He is known for his promotion of a plant-based diet and advocacy for a healthy lifestyle. Esselstyn was once a firefighter in the United States, and after witnessing firefighters die from heart disease, he began to focus on health issues. He later turned to the health field and became a health advocate. His books include 'The Engine 2 Diet' and 'The Engine 2 Cookbook', which have had a significant impact on promoting plant-based diets. His work has helped people recognize the relationship between diet and health and encouraged them to adopt a healthier lifestyle.