Stefan Yost
Stefan Yost joined Impact Fire in January 2025 as the Regional Manager for the state of Florida, overseeing offices in Miami, Orlando, Venice, Tampa, and Naples. Stefan brings over 30 years of Fire & Security Integration experience to Impact Fire. Throughout his career, Stefan has held leadership roles at many respected industry companies, including SimplexGrinnell, Edwards, Red Hawk Fire & Security, ADT Commercial, and most recently Everon LLC, where he served as the Area General Manager for the Great Lakes District for 7 years.
On a personal note, Stefan and his wife Christine recently relocated to Ft. Myers, FL. They have four children, two dogs and two grandchildren to round out their family.
Cody Brice
Cody Brice joined Impact Fire in 2012 and played a key role in the successful, organic launch of the San Antonio branch. Since its inception, Cody has held nearly every operational role at the district level, gaining a deep understanding of the business from the ground up. In 2016, he was promoted to District General Manager, where he led a struggling office to become one of the company’s top-performing and award-winning districts. Cody was promoted to SW Regional Manager in 2025.
With over 23 years of experience in the fire and life safety industry, Cody brings both technical expertise and leadership to the table. He began his career in Austin, Texas, where he developed his fire alarm programming skills. His career then took him to the Bahamas, where he managed fast-paced resort construction projects, sharpening his project management abilities. A U.S. Navy veteran, Cody served as a Radioman specializing in Network Administration, instilling in him a disciplined, solutions-driven mindset that continues to shape his leadership style today. Cody holds an APS license in Texas along with a Security Manager’s license. Known for his direct, no-nonsense approach to the challenges of construction and service operations, Cody is a trusted leader and mentor within Impact Fire.
Outside of work, Cody is an active member of the Professional Armed Forces Rodeo Association. He enjoys spending his weekends rodeoing, team roping, golfing, fishing, and enjoying time with his wife, Leather.
Michael Lloyd
Michael Lloyd joined AI Fire, the parent company of Impact Fire, in the summer of 2012 as CEO. His responsibility is to drive the growth and development of the business, with the primary objective of building the finest fire protection services firm across the country. Before joining AI Fire, Mike was President at Consolidated Fire Protection. He was responsible for growing and managing the national accounts service business, starting that business in 2004 and ultimately building one of the largest national services businesses in the industry. Earlier in his career, Mike was involved in several technology businesses, including Intuit, and was a consultant for several firms, including Viant and Perot Systems.
Mike earned his MBA from the UCLA Anderson School of Management and holds a BA in Political Economy from UC Berkeley. He is active in the fire protection and life safety industry and is a member of AFSA, NFPA, and NAFED. Mike is also active in the broader facilities services industry as a member of PRSM and RFMA and serves on the board of EMSAR and APHIX. When not working, Mike enjoys golfing, playing basketball, and spending time with his wife and grown son and daughter.
Mark Taylor
Mark Taylor joined AI Fire, the parent company of Impact Fire, in the winter of 2019 and serves as the Company’s Chief Financial Officer. In this position, he is responsible for all financial, compliance, risk management, and credit functions. Mark has over 25 years of experience in Finance & Accounting leadership positions, including most recently as the CFO of Gray Wolf Industrial, a provider of specialty maintenance, repair and installation services to heavy industries, owned by Charlesbank Capital. Prior to joining Gray Wolf’s predecessor company Primetals Technologies Limited, Mark held various senior level positions within Siemens during a twenty-year timespan eventually leading the Finance and Accounting teams of several $100M+ business units.
Mark holds a BBA in Finance from Georgia State University. In his spare time, Mark enjoys spending time with his kids, golfing and fishing.
George Brown
George Brown joined AI Fire in the fall of 2019 and serves as the Chief Operating Officer. He oversees Impact Fire’s self-perform operation, providing leadership for accelerating its growth and profitability. He also plays an integral role in the acquisition and integration of other self-perform businesses into Impact Fire. George has extensive experience growing district-based service businesses in both global industrial and private equity environments. Most recently, he served as Co-CEO of RGIS leading a $400M domestic division for a global leader in inventory services. Prior to RGIS, George spent most of his career focusing on innovation and talent development to drive profitable growth for two industry leading vertical transportation firms. He spent 7 years in senior leadership roles at Schindler Elevator Corporation in both commercial and operational positions, including Region Vice President for the greater NY area. George began his career with Otis Elevator and held several positions of increasing responsibility during his 17-year tenure, starting in Finance and eventually serving as General Manager of the greater Philadelphia area.
George holds an MBA from Fordham Gabelli School of Business and a BA in Business Administration from William Paterson University of New Jersey. On the weekends, George enjoys skiing, golf, music, and spending time with his wife and three children.
Elena Sparling
Elena Sparling joined AI Fire, the parent company of Impact Fire, in the fall of 2017 as the Executive Vice President of Strategy and M&A. Her responsibilities include leading the company’s acquisition and post-merger integration efforts along with any strategic initiatives for the business. Prior to joining AI Fire, Elena was responsible corporate strategy and program management at TOMS Shoes working with the executive team and the company’s investment partners, Bain Capital. Earlier in her career, Elena was a Consultant at Bain & Company and an M&A investment banker at Wells Fargo Securities.
Elena earned her MBA in Finance and Marketing from the Kellogg School of Management at Northwestern University and holds a BA in Economics and Spanish from Amherst College where she graduated cum laude. Elena is actively involved as an Amherst alum and most recently completed a three-year term on the Trustee Nominating Committee. In her spare time, Elena enjoys being active with her husband and two young sons.
John “Buck” Taylor
Buck Taylor serves as Regional Senior Vice President and has been with Impact Fire Services since the company’s inception. He oversees Impact Fire’s nine district offices across Texas and has played an integral leadership role in Impact Fire’s expansion from a single office in Texas to 30+ offices nationwide. With over 25 years of experience across three fire and life safety companies, Grinnell Fire, Firetrol Protection, and Impact Fire, Buck is a leading industry expert.
Buck holds a Technical Degree in Fire Sprinkler Fitting, along with the certifications of RME-I, NICET Level III Test and Inspection, and NICET Level I Water Based System Layout. He is a proud member of the National Fire Protection Association and the American Fire Sprinkler Association. On the weekends, Buck enjoys golfing, fishing, hunting, and clay shooting, often with his three sons, one of whom works for Impact Fire.
John Theriault
John Theriault joined Impact Fire by acquiring Tri-State Fire Protection based in New Hampshire. As Impact Fire’s Regional Vice President in the Northeast, he oversees our Connecticut, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania and Vermont offices. At Tri-State, John was the General Manager, and the business experienced exponential growth under his leadership from 2006 through 2018, when the company was sold to Impact. John began his career in fire protection at New England Fire, which was acquired by Grinnell Fire and later became Tyco SimplexGrinnell over 15 years from 1991 to 2006. At New England Fire, John began his career cleaning Exhaust Systems and conducting Kitchen System inspections. He worked his way up to Supervisor positions, initially managing a single service line and finally as the Suppression Manager.
John is a proud member of NADCA, NAFED, AFSA, AFAA, and IKECA and is licensed in Kitchen Suppression, Fire Extinguishers, and Exhaust System Cleaning and is NADCA-certified. He holds a degree in Business Management and Accounting from Northeastern University. In his free time, John enjoys spending time with his wife of 25+ years and has two grown sons. He’s an avid sports fan and loves movies.
Lisa Woods
Lisa Woods was one of the founding team members of Impact Fire where she currently serves as a Regional Vice President in Southwest, overseeing the Austin, College Station, Dallas / Fort Worth, Lubbock, San Antonio, and Waco offices. Previously, Lisa was the General Manager of the Austin office responsible for the day-to-day operations, P&L, Sales, and field team. Before joining the Impact leadership team, Lisa was the Director of Corrosion Control and was the #1 Salesperson at Impact for over 6 years.
Prior to helping found Impact, Lisa was a key member of the team that opened Firetrol’s Houston office where she was the top salesperson. Before joining Firetrol, Lisa was responsible for PMA Sales at Tyco SimplexGrinnell for two years where she was again the top salesperson for several years earning the President’s Award and consistently exceeding her financial targets. Before going into Sales, Lisa was a Fire Sprinkler Inspector and a field technician for almost a decade. Lisa attended the Sprinkler Fitter program at San Jacinto College and has an Associate’s Degree from Lone Star College. In her spare time, Lisa enjoys spending time with her teenage son.
Todd Buffum
Todd Buffum joined Impact Fire in 2017 and was instrumental in its acquisition of FireProTec in Vermont. Since the acquisition, Todd has served as District General Manager of our Burlington Vermont office. In 2022, Todd was promoted to Regional Vice President and now oversees all aspects of our operations in the Southeast. Todd has spent over 35 in the fire and life safety industry after serving in the United States Marine Corps. He began his career in Lowell, MA at NE Fire Equipment. While there, he was initially focused on Fire Suppression managing both Fire Extinguisher and Clean Agent Suppression. After expanding his management role, he added Fire Alarm and Sprinkler Service, as well being the Area Installation Manager responsible for over $50 million in projects with SimplexGrinnell companies throughout the New England market. Todd is known for a style of conscious leadership that places high value on emotional intelligence, personal growth initiatives, and incorporating community service into the workplace Todd is a six-sigma green belt and studied Business Management and Leadership at Franklin Pierce University.
On a personal note, Todd and his wife River have been married for over 25 years. They live in Vermont with their two children. Todd enjoys all things sports, being active, and spending time with family.
