Tim Gaidis | U.S. Green Building Council
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Tim Gaidis

  • AP-Homes Certified

Tim Gaidis is the Sustainable Design Leader for HOK’s St Louis office where he leads the integration of sustainable strategies in the office’s project work, and is directly involved in the design and planning of sustainable facilities and infrastructure, many of which are pending LEED Gold, Platinum and Net Zero status. He also leads the office’s Sustainability Consulting Practice as well as the advancement of HOK staff’s sustainable knowledge base at the local and firmwide levels as part of the firm’s Sustainable Design core leadership team.

Tim is currently part of the team developing the OnePlan St. Louis Regional Plan for Sustainability and recently was part of the team that completed Denver International Airport’s Sustainability Management Plan. Tim led the consultant team effort on the development of the City of St Louis’ Sustainability Plan, Greenhouse Gas Inventory, Climate Action Planning Recommendations, and Energy Star Analysis and also led the team which created St Louis County’s Energy Efficiency and Conservation Strategy and the “St Louis County, Green and Growing” long-term sustainability framework.

Tim is applying biomimetic design principles on projects, advancing HOK’s FiT (Fully Integrated Thinking) program at urban as well as building scales as part of HOK’s relationship with Biomimicry 3.8, and is part of an HOK team prototyping and advancing market-rate net-zero strategies for mainstream buildings. As part of the Byron Rogers Federal Office Building renovation in Denver, Tim has been working towards the creation of a “Path to Net Zero” program to accommodate the 2030 Net Zero requirements of the Executive Order 03514 mandate for all federal agencies. This project is currently targeting a 250% reduction in energy usage, from an EUI of 90+ to 36 which will place it in the 100th percentile of energy performance for buildings of that type. Tim is also part of the Industry Stakeholders Group participating in the development of the US Department of Energy’s New Construction Initiative (NCI) with the mission to develop implementable approaches for Net Zero and Net Zero Ready buildings.

At HOK’s St Louis office, Tim led the initiative to establish building-wide recycling at the 1 million sf Metropolitan Square building and is now guiding the implementation of a grant-funded initiative for building-wide composting. He leads the tracking of firmwide sustainability metrics and the production of HOK’s annual Sustainability Report and also chairs HOK’s annual Earthshare charity campaign.

Tim is a frequent speaker on sustainability and has addressed such venues as Greenbuild, the Chicago Architecture Foundation and the BPTC Bioethics Forum. He is the Vice Chair of Sustainable St Louis and an active member of the local USGBC St. Louis Regional Chapter. Tim teaches a multi-disciplinary class at Washington University called “Advancing Sustainability in the Built Environment” which brings together students from the Schools of Architecture, Engineering, Biology, Sociology, Psychology and Business to produce application learning projects that by their nature are fully integrated and sustainable.