John Hassler, Jr. (J.D.)

J.D. is Indoor Environmental Management’s Operations Manager. With a background in Engineering, John Hassler, Jr. is a valuable asset to the team. He has gone through many hours of through training to increase his knowledge of the industry. J.D.’s certifications include CMR, CIE, and most recently is a certified radon mitigation and measurement technician through the National Radon Defense program.