Joshua Hathaway

Joshua Hathaway

Denver, CO, US



Senior Associate at Rocky Mountain Institute with eight years of experience specializing in sustainable design and advanced technical analysis. An integral member of RMI’s Buildings Practice, collaborating with clients, architects, and engineers in order to create elegant architectural and building system solutions that dramatically reduce both environmental impact and energy costs. Expertise in techniques such as passive solar design and 3D modeling that realize a synthesis between efficiency and aesthetic values to further both architectural excellence and sustainability goals. Additionally, a co-founder of the freelance architectural firm Arêtecture based in Medellin, Colombia, working as lead-designer of a select group of local building projects.



aretecture, Medellin, Colombia, Co-Founder: Project Designer

Freelance design/build firm based in Medellin, Colombia focusing on residential and commercial projects. Executive of project conceptualization, sustainability, and daylight design. Collaboration in 3D modeling, document production, site visits, and client interactions. Current projects include the Montecielo Eco Villas (Girardota, Colombia) and the El Poblado Hostel (Medellin, Colombia).

Jan 2012 - current

Rocky Mountain Institute, Boulder, CO, US, Senior Associate

Leading member of RMI’s Buildings Practice working on Whole Systems Sustainability solutions for both local and national retrofit and new construction projects. Active coordination with clients and field experts throughout the concept, schematic, and construction phases. Utilization of a diverse array of advanced energy/3D modeling and daylighting/passive design techniques in order to maximize energy efficiency and save capital and long-term costs. Collaboration with fellow Buildings Practice members on over sixty unique building projects ranging from commercial/industrial facilities, educational/arts institutions, to residential complexes. Recently completed projects include: Hilton Foundation Headquarters-LEED Platinum (Agoura Hills, California), Center for Microbial Oceanography-LEED Platinum (Manoa, Hawaii), Byron Rogers Federal Building (Denver, Colorado), and Empire State Building-LEED Gold EB (New York City, New York).

Jan 2006 - current

Brothers Building Corp., Littleton, CO, US, Project Manager, Crew Supervisor, Framer

Management of diverse trades, scheduling, and client communications for residential remodeling and construction projects. Supervision, inspection, and quality control of carpentry, plumbing, and HVAC crews during initial construction project phase. Assurance of client satisfaction upon project completion.

May 2000 - Aug 2004


University of Colorado at Boulder, Boulder, CO, US, BArch, Environmental Design

Aug 2001 - Dec 2005

Areas of Specialization