Tagiugmiullu Nunamiullu Housing Authority (TNHA)

Griffin Hagle is the CEO of the Taġiuġmiullu Nunamiullu Housing Authority, serving Alaska’s remote North Slope. Having been introduced to building science as a weatherization installer in his hometown of Medford, Oregon in 2006, and later working as an energy auditor and program administrator, he is professionally committed to buildings and energy systems that deliver…

ASHBA Representative
Visser Construction, LLC

Owens Inspection Services

David Owens has been an Alaskan Resident for 50 years. He has 40-years of experience in the Alaska Construction industry and currently works as the Senior Inspector/ Managing Partner for Owens Inspection Services. The company works throughout all areas of the State of Alaska performing Inspection, Quality Assurance and Energy Evaluations. David is a Licensed…

Jack Hébert is the Founder of the Cold Climate Housing Research Center (CCHRC). Jack spent his early years in Alaska wintering 60 miles from an Inupiat community in the mountains of the Northwest Arctic and summers in the “old” Denali Park. His mentors and teachers were the people that thrived in these environments, the First…

Construction Instruction Inc.

Mark LaLiberte is a trainer, author and consultant who has devoted over two decades to educating the homebuilding industry about the benefits of constructing durable, energy efficient, healthier, more environmentally sustainable homes. He reaches more than 8,000 builders nationwide annually. Mark has been featured at leading industry events such as the National Association of Homebuilders…

NORDEC Consulting & Design

Bill retired as Senior Researcher with the Canada Mortgage and Housing Corporation (CMHC), where he worked on promoting the development of innovative building technologies, green building practices, and sustainable development with a focus on projects in the Canadian far north. Bill’s training is in architecture, construction, and planning, and has worked in the building industry…