Steve Cherry
Greg Dowd
Natalie Barnes
Newton Cheng
Patrick Huey
Steven Welch
Raphael Konforti
Tabitha Green
Jeff Zwiefel
Jeff Zwiefel is the former President and Chief Operating Officer of Life Time, where he played a pivotal role in shaping the company’s evolution over more than two decades. A nearly 40-year veteran in the fitness and wellness industry, Jeff has led large-scale operations and strategic growth initiatives that have helped redefine how health clubs deliver value to their members.
Now, Jeff is channeling his deep expertise and personal passion into the rapidly emerging field of longevity and healthy aging. He is currently partnering with Life Time to lead the development of MIORA — Longevity and Performance, a groundbreaking, science-backed program designed to optimize healthy aging through personalized, clinical-grade interventions.
MIORA represents the next frontier in Life Time’s ongoing mission to deliver a Healthy Way of Life. Building on the company’s 30+ years of leadership in fitness, nutrition, and wellness, MIORA brings together advanced diagnostics, hormone optimization, and performance-based lifestyle programming to empower individuals to live longer, healthier, and more vibrant lives.