Our construction leadership team ensures successful construction project delivery & manages team safety, operations & construction management. We take pride in understanding your needs and making sure they are met. We have the experience and dedication that will ensure every job, from pre-planning through to completion, is handled with expertise.
GUY WOLLAM
Chairman
Guy’s early career started working, as a teenager, working summers on a concrete crew and also for the Corp of Engineers while attending college.
After graduating from Arizona State’s Construction Engineering program in 1969, Guy started at M.M. Sundt Construction where he worked as a member on a survey crew. He advanced to Project Engineer on multiple highway projects. Later, through his experience at Bechtel, Dravo, and other firms, Guy rose through the ranks to Vice President of a Heavy Industrial Construction Division at Gibbons & Reed.
In 1986, with a small amount of cash and a pickup truck, Guy started an industrial construction company: 91º£½ÇÂÒÂ×. As a result of his leadership, vision, and integrity, 91º£½ÇÂÒÂ× is known throughout the Intermountain West as a company that delivers world-class quality projects safely, on schedule, and within budget.
Guy is an active board member on the University of Utah’s Construction Management Program, a member of the American Institute of Mining Engineers (AIME) and has previously served on the board for the Associated General Contractors of Utah (AGC).
Guy is an avid fly fisherman and enjoys floating the Green River and Snake River. He and his wife Lana are active in the community supporting multiple charitable organizations including the Huntsman Cancer Institute, Tee it Up for Cancer, National Disability Center, Utah Tennis Association, and Big Brothers Big Sisters of Utah.
MATT WOLLAM
President
Matt started working for 91º£½ÇÂÒÂ× when he was 17 years old as a laborer. He went on to graduate from the Del E. Webb School of Construction at Arizona State University with a Construction Engineering Degree (Heavy Emphasis). Before coming back to 91º£½ÇÂÒÂ× in 2004, Matt worked for a large paving company in Arizona and a large heavy civil company in California.
Prior to taking the position as president, Matt had been working towards leading the next generation of 91º£½ÇÂÒÂ× for 15 years. When he started working with his father/mentor Guy 91º£½ÇÂÒÂ×, the company had 12 employees and worked on a handful of projects each year. The company has grown to 200 employees and can build over 60 projects annually.
Matt’s main focuses are creating/maintaining repeat clients and building the best construction teams in the business.
Matt recently served as a board member for the Associated General Contractors of Utah (AGC) and Big Brothers Big Sisters of Utah (BBBSU). He has also worked as mentor for 1st generation college bound students thru Mentor2.0 (a Big Brothers Big Sisters of Utah program) and volunteered as a Big Brother for 6 years.
Matt enjoys sporting events (pro, college, and youth), hiking, fishing, and finding adventures with his children.
TROY JOHNSON
Vice President
Troy was raised on a working cattle ranch in rural Utah where he learned the importance of both a sense of responsibility and a strong work ethic at a young age.  He carried these values on to an 8-year career working for a construction company specializing in drilling and blasting.  While there, he worked his way up from a laborer to a foreman while also completing his bachelor’s degree in civil engineering from Utah State University.  He had the unique opportunity to complete an engineering internship for a corporate construction company where he worked his way up to a senior project manager level in the eight years he worked there while bidding and managing over a hundred and fifty million dollars’ worth of work.
Troy made the career move to become the operations manager at 91º£½ÇÂÒÂ× in 2015 and has been passionate about the growth of the company by recruiting and developing talent at all levels.  He has always had the personal philosophy that companies are a strict representative of the people that they employ, and this guides his personal leadership style.  Since being brought on by 91º£½ÇÂÒÂ×, he has diversified the portfolio of work the company is able to perform while managing and growing a talented and diverse workforce.
Troy is focused and committed to creating growth opportunities for both the company and the people who work there through strong leadership, strategic goal setting, and outstanding performance on all projects and at all levels.
When he isn’t working, Troy enjoys spending time with his wife and four children. Â He is an avid sports fan and outdoor enthusiast and bases his free time around these interests alongside his family.
BRYAN KARREN
Controller
Bryan, a Certified Public Accountant, holds a Bachelor’s Degree in Accounting from Utah Valley University as well as a Master’s Degree in Accounting and Financial Management from the Keller Graduate School of Management. He has spent his entire career on the private side of accounting with most of that time serving as Controller and CFO to multiple entities under the investment umbrella of a local private equity firm where he also participated in purchasing, logistics, human resources and risk management.
Bryan is a recent addition to the team, joining the company in August of 2022. He brings a process-oriented focus to the position and is always looking to apply the principles of continuous improvement to business situations. He believes accounting should entail a series of decisions which, if executed correctly, will lead to understandable and actionable information. Bryan has always found that a transaction processed correctly the first time is the best way to save time, energy and cost.
After over 20 years of coaching club and high school soccer, Bryan now focuses those efforts towards Special Olympics programs where he is a coach at national and state levels working with some of the most talented athletes in the country. He is also an avid pickleball player and is working to introduce the sport to Special Olympics in the near future.
Bryan, a Certified Public Accountant, holds a Bachelor’s Degree in Accounting from Utah Valley University as well as a Master’s Degree in Accounting and Financial Management from the Keller Graduate School of Management. He has spent his entire career on the private side of accounting with most of that time serving as Controller and CFO to multiple entities under the investment umbrella of a local private equity firm where he also participated in purchasing, logistics, human resources and risk management.
Bryan is a recent addition to the team, joining the company in August of 2022. He brings a process-oriented focus to the position and is always looking to apply the principles of continuous improvement to business situations. He believes accounting should entail a series of decisions which, if executed correctly, will lead to understandable and actionable information. Bryan has always found that a transaction processed correctly the first time is the best way to save time, energy and cost.
After over 20 years of coaching club and high school soccer, Bryan now focuses those efforts towards Special Olympics programs where he is a coach at national and state levels working with some of the most talented athletes in the country. He is also an avid pickleball player and is working to introduce the sport to Special Olympics in the near future.
ADAM CALLAWAY
Sr. Project Manager
Adam was born and raised in Northern Utah. After high school, he joined the United States Air Force where he spent 4 years serving in the post 9/11 war effort.
After leaving the military, he started his construction career in Northern Utah as a Land Surveyor for Hansen & Associates where he earned an associate’s degree in Land Surveying from Salt Lake Community College in the pursuit of a professional license. He then joined Granite Construction as a construction surveyor, until he went back to school and earned a bachelor’s degree in Construction Management from Weber State University. His 7 years at Granite were spent as a surveyor, project engineer, estimator, and project manager. His project management experience includes Heavy/highway, and MSHA construction projects.
Adam joined the 91º£½ÇÂÒÂ× team in 2016 where he has been managing an assortment of large earthwork, concrete, structural steel, and roadway construction projects for Procter and Gamble, Rio Tinto, UDOT, and Northrop Grumman.
Adam’s early field experience in survey layout, blueprint reading, and stakeout calculations helped the overall understanding of all aspects of the construction process.  This field experience was key in his progression into project management.
Adam spends his free time in the outdoors with his wife Jenny, and his two sons. He enjoys his time camping and fishing in Island Park, as well as a passion for golf. Adam also enjoys participating in many sports as well as rooting for his favorite teams.
JEFF JONES
Sr. Project Manager
Jeff was born and raised in Utah Valley and started working at a young age for his dad who owned a small excavation company installing various residential and municipal utilities. After high school Jeff went to work in the heavy highway industry, where he operated various pieces of equipment including road graders, all aspects of asphalt paving operations, and installation of various utilities. Nine years later he decided to go back to school where he earned a Bachelor’s degree in Civil and Environmental Engineering from the University of Utah.
He started his Civil Engineering career with a local engineering firm where he worked as a third-party contract administrator for various municipalities, Utah Department of Transportation and North Dakota Department of Transportation. After nearly a year in North Dakota, Jeff decided to come back to Utah and went to work for a national leader in the heavy highway construction industry. He was a Project Manager for 7 years working in Kennecott Utah Copper, US Magnesium, Chevron and Holly Refineries, multiple projects for the Utah Department of Transportation and various other municipalities.
Jeff’s early construction experience has helped him excel in all aspects of project management due to his ability to apply real world expertise.
Jeff joined 91º£½ÇÂÒÂ× in January 2020 as a Senior Project Manager and is eager to develop the next generation of project managers by mentoring, training, and leading using his many years of construction experience. He has taken an active role in bidding and pursing projects in the transportation industry to help diversify 91º£½ÇÂÒÂ×.
Jeff enjoys boating and water sports with his wife, Colette, 4 children and 2 grandchildren. He enjoys attending University of Utah Football games and gymnastic meets. He is an avid fisherman and hunter.