Sacheck, Jen, Ph.D.

About the Author

Dr. Jen Sacheck, Ph.D., is a renowned exercise physiologist and nutrition expert with over two decades of experience in sports science and public health. Holding a doctorate in exercise physiology, she has dedicated her career to bridging the gap between scientific research and practical lifestyle advice, empowering individuals to achieve sustainable health transformations. As a faculty member at Tufts University, Dr. Sacheck has contributed to groundbreaking studies on aging, fitness, and weight management, while also serving as a consultant for national health organizations. Her passion for making complex science accessible shines through in her writing, where she demystifies the physiology of weight loss and vitality for everyday readers. In Thinner This Year: A Younger Next Year Book, co-authored with leading experts, she offers evidence-based strategies for shedding pounds and maintaining an active life well into later years, blending humor, motivation, and actionable steps to inspire lasting change.