Mark has over 30 years working with CALMAC Manufacturing Corporation, he has been involved in all aspects of the company including R&D, contracts, patents, manufacturing, marketing and finance. A licensed professional engineer and LEED Fellow, he has been a leader in the growth of energy efficiency and green building. Previously he served on both ASHRAE and USGBC. In 2017, CALMAC was acqured by Trane®, a leading global provider of indoor comfort systems and services and a brand of Ingersoll Rand.