Justin Tatosian

Justin Tatosian has been the principal engineer at JTEC, Inc. since May 2014. He received his Bachelor's of Science degree in Mechanical Engineering in 1999 from the University of Wyoming and has been gaining experience as an engineer on high-end commercial and residential projects with a variety of firms in the Northwest ever since.

After graduating, Justin Tatosian worked in Jackson, Wyo. designing, installing, and servicing residential HVAC systems. This valuable experience gave him a strong understanding of the general construction arena.

During the summer of 2003, he relocated to the Pacific Northwest to pursue more environmental practices. He temporarily worked as an environmental engineer-in-training testing emissions for a variety of industries. Eventually, he moved to Seattle to work for an environmentally and socially conscious mechanical engineering firm, Keen Engineering, designing high performance commercial building systems. He has been involved in numerous LEED certified buildings.

In 2006, he moved back to Jackson with a deeper knowledge of “green” building practices and concepts. At CN Engineers, he was responsible for designing mechanical and plumbing systems for light commercial and high-end residential projects.

He started JTEC, Inc. in May of 2014. Justin strives to apply a comprehensive approach to optimize the HVAC for indoor air quality, comfort, and energy performance.

When Justin's not designing mechanical systems, you can find him backcountry skiing, backpacking, climbing, trail running, traveling, and spending time with his wife Christine and two dogs Dash and Mac.

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Ivan Sosa - Mechanical Engineer

Ivan Sosa

Ivan moved from Idaho to Arizona after graduating from Teton High School to pursue a degree in Engineering. After finishing his general education at a local community college Ivan transferred to Arizona State University where he continued to develop the knowledge needed to be a proficient engineer.

Ivan worked for many years for Chas Roberts, one of the leading HVAC companies in Phoenix. There he gained a deep knowledge of residential HVAC systems. After his time at Chas Roberts, Ivan worked for Wright Engineers. During this time Ivan got to learn more of the commercial side of the HVAC systems.

During his free time Ivan enjoys spending time with family, watching movies, listening to music or exploring the country side of both Idaho and Wyoming.

Alex Wells

Alex, born and raised in Rhode Island, made a significant life change when they decided to move to Jackson, Wyoming in 2021. Equipped with a degree in chemical engineering, and an engineering and manufacturing background in biotech, Alex's journey began to unfold in this picturesque mountain town.

After settling into their new surroundings, Alex pursued his professional aspirations and landed a job at a prominent HVAC design company, JTEC in October of 2023. With a background in best manufacturing principles, equipment design, and engineering principles, Alex got to work learning the intricacies of HVAC design.

When not engaged in their professional endeavors, Alex finds solace and joy in pursuing various recreational activities. The serene beauty of Wyoming's mountains was an obvious place to recreate through snowboarding, rock climbing, and trail running.

Additionally, you may find Alex playing music around town with his band, Outta Shorts!

Alex Wells

Mark Bustard

Mark is a licensed mechanical engineer with over 9 years of professional experience. After graduating from Villanova University, Mark relocated to Jackson, WY where he was eager to meld his engineering expertise with his passion for the outdoors. Working for several engineering design firms, first in Jackson and then Salt Lake City, Mark has been able to gain a vast amount of experience in the commercial, federal, and residential markets. He has led numerous mechanical, HVAC, and plumbing projects both domestic and internationally, all while striving for sustainable and environmentally conscious design.

After spending several years in Utah, Mark recently returned to the Jackson Hole area to join JTEC. This homecoming not only underscored his connection to the community but also showcased his commitment to leveraging his expertise to enhance the local built environment.

Accredidation & Memberships


Professional Engineer

State of California / State of Wyoming / State of Washington / State of Idaho


American Council of Engineering Companies of Wyoming


American Society of Heating, Refrigerating and Air-Conditioning Engineers


U.S. Green Building Council Wyoming (USGBC)


RRR Business Leaders



Beyond Efficiency