Tim McMullen

Tim McMullen began work at Biosphere 2 for Columbia University in 2001 building the original Trex trails prior to opening the facility for public tours. Tim then transitioned to work on the main University of Arizona campus as a contractor and continued to build and create, utilizing his engineering skills.  He returned to Biosphere 2 as a maintenance mechanic in early 2017.  Tim  is responsible for facility repairs and takes a proactive approach to building maintenance and integrity.