At the age of forty-one, after having been overweight her entire life, Tracy Reifkind lost 120 pounds and discovered a path to lasting transformation using kettlebells. She is now a sought-after personal trainer and nutrition coach who was featured in Tim Ferriss's The 4-Hour Body. In 2006, she became a certified Russian kettlebell instructor. Since then, she has developed a unique training program that works for anyone, at any fitness level, featured in her DVD Programming the Kettlebell Swing.Reifkind lives in California with her husband and two sons.