Meet Our Team

BILL SINCLAIR – CEO

Larry is an avid hiker and has lived in Colorado with his wife and daughter for many years. He often wonders why people still live at sea level!

SHAUN WALLACE – VP OF ENGINEERING

Shaun was born in the United Kingdom. He attended the University of Nottingham, where he graduated with a BSc in Mechanical Engineering. In 1997 Shaun developed the world’s first Altitude Tent, initially for personal use as he was a professional athlete. Soon he was asked to start building them for his teammates and other athletes. With that, Wallace Altitude Tent Systems was created. In 2004 Shaun started working with Larry Kutt. Together they created Altitude Control Technologies which has continued to be the leader in Altitude Simulation.  Shaun has more technical knowledge and more experience in creating custom altitude systems, than anyone else in the world.

Shaun is most proud of the system used to encase the original Star-Spangled Banner, the flag that inspired Francis Scott Key to write what would become the National Anthem. Shaun was instrumental in creating the 30,000 feet aviation simulators for the US Navy.

Shaun is an avid cyclist. From 1984-1998 Shaun was a full-time professional racing cyclist. He still rides frequently, but these days also spends time surfing and paragliding.

Shaun now enjoys his time in Southern California, customizing Altitude Systems for customers all over the world.

GARY HANSON – VICE PRESIDENT OF SALES

Gary has been with Altitude Control Technologies for about three years and was previously in sales in the insurance/financial services industry for over 35 years.

He became interested in altitude simulation when his oldest daughter got married. She got married at a venue that is at 9,500 feet in altitude. The groom’s family were all from Dublin Ireland, which is at Sea Level. After several of his friends and relatives became ill from the altitude Gary started researching the effects of altitude and what might be done to help lessen those effects.  Gary found Altitude Control Technologies and was so impressed by their room oxygenation system that he contacted ACT and asked about a sales position. He enjoys meeting new clients and helping people with altitude issues.

Gary built his own log home in the mountains which helps him to visualize the possibilities of installing the ACT system in homes.

Gary is an avid skier in the winter with an affinity for the bumps. He enjoys fly fishing and playing golf in the warmer months. Fun fact – Gary played professional golf for two years before deciding to pursue other activities. Now he is just an older decent golfer that plays for fun.

Most of all, Gary enjoys family time with his wife, children, and grandchildren.

KOYE CARLSTROM – DIRECTOR OF OPERATIONS AND MANAGER OF RESEARCH AND DEVELOPMENT

Koye has been a leader at ACT for about three years.  He originally learned about altitude while exploring the Nepali Himalayans in 2010 for several months. His time in high country on several continents, has shown him that the effects of altitude on some people are very real.  His desire to help people to overcome these afflictions lead him to ACT where his unique background, personality traits and strong work ethic became a successful combination.

Koye is a 4th generation Coloradoan. His family homesteaded in the Jackson County of the Colorado Rockies from Sweden in the late 1800’s. His family has lived in the area ever since. He attended Colorado State University earning a Bachelor of Science degree with a focus on Construction Science and Business Management. He managed large and small scale construction projects throughout Colorado and Wyoming with an emphasis on research- including work for the University of Wyoming, Colorado State University, The City of Cheyenne, The University of Colorado, Jefferson County, Haliburton, for more than a decade.

Koye enjoys spending time with his friends, family, and his wife Terese.  He is adventurous in his hobbies that include alpine skiing, backpacking, camping, biking, floating, almost any activity that includes nature, and traveling aboard.  He has circumnavigated the globe on several world tours and has met friends from countries far and wide.

Koye plans to continue to help ACT customers to feel better for the long-term foreseeable future.  He enjoys knowing that what he does helps others and enjoys staying engaged in an emerging technological field.

JOHN RYAN, REGIONAL SALES MANAGER

John joined ACT in early 2020 and brings extensive experience in both the construction and sales industries to the team. As a regional sales manager, John enjoys meeting with homeowners, property managers, and hotel owners to help meet their altitude needs. John previously worked as the CEO of a successful call center in Las Vegas, NV, and before that he was the sales manager and vice-president of a prominent Utah-based home builder.

John is originally from Sandy, Utah, and graduated from Utah State University in Logan Utah, with a BS in both Interdisciplinary Studies and Business Management. He is an avid musician, family guy, and part-time skier. John’s 20+ years of experience and knowledge of design, construction, and sales allows him to find solutions that fit the requirements of his clients.

VIVIAN KEESLING, REGIONAL SALES MANAGER

Vivian recently joined ACT in early 2021.  Vivian is a seasoned Sales Executive with over 12 years of experience in the Publishing industry and over 15 years of experience in the health care and pharmaceutical industry.  Over the past 4 years, Vivian was a Sales Director for the largest network of a regional Interior and Design publication across the country and has established herself in the architectural and design industry.

Vivian was raised in the Midwest and came to Colorado when she started her college education at Regis University.  Vivian graduated with a BS in Health Information Management and a minor in Business.  Vivian is also fluent in Spanish.

Vivian is an avid sailor, skier and tennis player.  She also enjoys many other outdoor activities such as hiking, golf, cross country skiing, snow shoeing and bike riding.  In addition to her career, Vivian volunteers for various non-profit organizations.  Vivian enjoys family time, outdoor activities and traveling with her husband and two daughters.​

CRAIG S. CRUZ, SR. PROJECT MANAGER

Craig joined ACT in 2020 and has valuable executive experience in sales, distribution, and construction organizations.  He has a history of delivering difficult projects, cultivating relationships at all levels of the organization and exceeding revenue and margin growth expectations. Craig is Passionate, Proactive and Process-driven.

Craig is a straightforward problem solver that loves providing the highest possible level of customer service and seeing projects through from concept to completion. At ACT, he enjoys bringing the benefits of oxygen enrichment to homeowners who struggle with sleeping or adjusting to Colorado’s high altitudes.

Craig grew up in Colorado and graduated from Colorado State University with a B.S  in Business Administration. Today he enjoys spending his time outdoors; skiing, biking, and playing tennis as well as spending time with Deborah, his wife of 26 years and their family.

ALEXANDER (ALEX) LANE – PROJECT ENGINEER AND COMPUTER TECHNICIAN

Alex joined ACT just over a year ago. Previously, Alex was working with a Military Defense Contractor for BAE Systems where he sharpened is mechanical skills,

Originally from Virginia, Alex enjoys this exciting opportunity to explore Colorado while working for a tech company that provides exciting and new advancements as a leader in the industry.  Alex is an avid motorcyclist who is a member of the MRA racing organization. He enjoys camping, rafting, and getting outside exploring Colorado’s blue skies.

As a member of ACT, he has proven efficient at developing new ways to streamline workflow and he enjoys meeting and working with customers with their altitude systems.