David Ertl owns a fitness center in Des Moines, Iowa. He provides personal training, fitness coaching and weight loss management. He is a personal trainer with a certification from the National Strength and Conditioning Association (NSCA) which he's had since 2005. David is also a cycling coach, with a coaching certification from USA Cycling, since 2001. He is currently a Level 1 (Elite) level coach, the highest certification available. David has been a competitive cyclists since 1973 and continues to compete at the present time. He is a coach of the Des Moines Cycle Club Race Team and also th...