President, Buckner Colorado

Lance Butler

Lance joined Buckner in 2017, bringing with him over 25 years of insurance experience. He received his Bachelor of Science degree from Southeastern Oklahoma State University and has experience in various sectors within the insurance industry.

Lance enjoyed playing sports as a child and considers his kids to be his greatest accomplishment in life. Carmine’s on Penn is his favorite restaurant and Hawaii is his favorite place for a getaway.

Trucking | Denver

Salvador Aguilar

Salvador joined the Buckner Company in 2018 and specializes in the trucking insurance industry. Salvador is currently working towards his STAR designation and TRS designation. At his previous employment, Salvador was awarded the Credo Ambassador award which is given to one employee each year for exemplifying company values and ethics.

You can find Salvador in his free time perfecting his cooking skills, reading comic books, or being with his family. Buckner is made better by having him on our team.

Trucking | Denver

Fabio Bravo

Fabio joined Buckner in 2013. He was previously involved in the banking and insurance industry since 2009. Fabio has a degree in Finance with an emphasis in International Business from Utah Valley University. Fabio specializes in the trucking industry and has received the Specialist in Transportation and Risk (STAR) designation from Great West Casualty, as well as the Commercial Lines Coverage Specialist (CLCS) designation.

Originally from Brazil, Fabio speaks four languages fluently and enjoys working with customers from different backgrounds and ethnicities. Fabio enjoys working out and is an avid Brazilian jiu-jitsu practitioner and competitor. During his time off, you will find him spending time with his wife and two kids or grappling with someone on the mats.

Property & Casualty | Denver

Barb Elsasser

Barb has more than 30 years of experience, joining the insurance industry in 1987. With Buckner, she specializes in trucking and general insurance. She earned an Associates degree from Northeastern Junior College and has acquired her Certified Insurance Counselor (CIC) designation.

As a child, Barb loved horses and playing softball. In high school, she won Best Actress for a musical production—afterwards, she continued to sing for various events until she moved to Denver. She loves the movie White Christmas and her favorite restaurant to frequent is YaYa’s. Her greatest accomplishment in life is raising two Marine sons—both have returned home safely.

Trucking | Denver

Karl Elsasser

Karl has 40+ years of insurance knowledge and expertise. Throughout that time, he has worked primarily on commercial property & casualty accounts and has largely specialized in the trucking industry. Currently he is on the Board of Colorado Motor Carriers Association.  Karl received his Bachelor’s degree from Arizona State University, where he graduated Cum Laude. Today, Karl holds both Certified Insurance Counselor (CIC) and AIU designations. He was also a co-owner of a successful agency, which was later sold to Buckner.

As a youth, Karl was heavily involved in sports including baseball, basketball, cross country and track. Today his primary sporting activities are golf and skiing. Something that many people may not know about Karl, is that he has lived in 17 different locals including both coasts and a brief stint in England with most of his working career in the Mountain West States.

Property & Casualty | Denver

Brian Janeck

Brian joined Buckner in 2020, with over 40 years in the insurance industry. After graduating from San Diego State University, with a degree in Public Administration, he started primarily working with construction firms. His goal is to help manage risk and insurance costs. Brian has both his Certified Insurance Counselor (CIC) and Chartered Property & Casualty Underwriter (CPCU) designations, and attends ongoing continued insurance education.

Brian’s hobbies are fly fishing, hiking and golf.

Property & Casualty | Denver

Colin Kresock

Colin joined in the insurance industry in 2005, specializing in private equity insurances including manufacturers, distributors, IT, and medical equipment.  Prior to joining the industry, he received both his Bachelor’s degree and his MBA.

As a youth, Colin’s hobbies included landscaping and working on small engines. Colin and his wife have had the privilege of raising their two, successful children, which he feels has been one of his greatest accomplishments. Today, Colin considers himself a frustrated golfer who loves to read, as well as a lifelong learner.

Property & Casualty | Denver

Mark Polk

Mark joined the insurance industry in 2009 and brings more than 12 years of insurance experience to Buckner. A graduate of the University of Wyoming, Mark began his career building a Colorado-based construction company. During his time running operations, Mark personally experienced many of the challenges business owners face: including OSHA investigations, DOT audits, and remaining compliant with ever-changing government regulations. Mark is both OSHA 10, OSHA 30 certified and a former Executive Director of the Land Improvement Contractors of America (LICA), Mountain States Region. With his experience and certifications, he brings a unique perspective that encompasses managing business risks and costs.

Property & Casualty/Partner | Denver

Troy Sibelius

Troy has been in the insurance industry for over 25 years. He holds Certified Insurance Counselor (CIC) and Certified Risk Manager (CRM) designations from The National Alliance, and was selected as a Fellow of the American Society of Landscape Architects (FASLA) in 2010. In 2021, Troy was honored to receive the Insurance Person of the Year Award from the Professional Independent Insurance Agents of Colorado, their top annual award given to Colorado agents that exemplify professionalism in the industry. Troy also received the 2021 John Garvey Person of the Year Award from the Associated Landscape Contractors of Colorado.

Troy completed his Bachelor’s degree in Landscape Architecture from Colorado State University. Troy’s industry specialties include landscape architects and contractors, architects, engineers, green industry wholesalers, manufacturing, transportation, and freight forwarders. Since his youth, Troy has enjoyed downhill and cross-country skiing and finds great satisfaction being outdoors where he can also golf, hunt and he is an avid flyfisherman. Troy also enjoys teaching others and has had the pleasure of being a guest speaker at multiple risk management programs and university classes and has written numerous insurance and risk management articles for various trade industries throughout the years.

Property & Casualty | Denver

Tom Terry

Property & Casualty/Partner | Denver

Dustin Thome

Dustin graduated with a Bachelor’s of Arts in Communication and entered the insurance industry in 2002. He specializes in habitational and commercial property, including apartments, associations, retail centers, and warehouses.

Dustin was the captain of the Cherry Creek High School football and basketball teams and went on to play both sports in college. Among his favorite movies are Hoosiers, Ace Ventura, Braveheart, Pulp Fiction and Forest Gump. He is the father of 3 amazing kids and husband to a beautiful wife.

Select Account Specialist

Annmarie Zimmerman

AnnMarie joins Buckner with over 17 years of Commercial and Personal Lines Insurance experience. She received her Bachelors of Arts degree in Sports Management from Concordia University. After college AnnMarie started working for a direct writing company and most recently worked for an insurance agency in Northern Colorado. She has loved insurance ever since she fell into it many years ago. AnnMarie has her CISR Elite and QCLS designations and is working with our Select Commercial accounts.

In her free time, AnnMarie and her partner, Jared, enjoy being outside in beautiful Colorado and going on trail hikes with their dog Kramer. They also love traveling to the Caribbean with extended family.