EcoGreen Hotel has appointed Mark R. Hahn vice president of energy solutions.

Hahn will be responsible for providing comprehensive energy efficient solutions to the hospitality industry, expanding EcoGreenHotel's growing portfolio of clients who have reduced their energy use and operating costs. 

Prior to joining EcoGreenHotel, he was executive vice president at an energy performance company in New York State.    

EcoGreen Hotels is an organization dedicated to improving environmental sustainability in the hospitality sector. Its services include energy efficiency assessments, sustainability solutions, and carbon assessments.