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(303) 333-1957


Our firm is a team of highly experienced trial attorneys who are known throughout Colorado as lawyers on whom clients can rely in wrongful death, insurance, automobile accident, property damage and construction defect cases. We have represented individuals, businesses, and insurance companies in such cases throughout the state.


Gregory R. Giometti

Mr. Giometti is a highly rated civil litigation attorney, with over 38 years of experience, including more than 75 civil jury trials. Mr. Giometti is one of the most experienced civil trial lawyers in Colorado. He is highly experienced in handling all phases of civil litigation. His practice also includes publications of handbooks and articles, teaching professional seminars, and participation in professional organizations and committees. He has served as an expert witness in insurance bad faith cases, and he is active in the American Bar Association, serving as one of the vice chairs of the Insurance Coverage Litigation Committee.

John Mereness

Mr. Mereness most recently became a shareholder at Giometti & Mereness P.C. in January 2018.  John was born in Montana and attended Trinity University in San Antonio, Texas, where he obtained his bachelor’s degree in 1993. Three years later he obtained his J.D. from St. Mary’s University School of Law in San Antonio, Texas with honors in 1996.

John began his legal career in Texas from 1996-2001, focusing his litigation practice in insurance defense (including auto, trucking, and oil and gas injury and death cases), insurance coverage, and construction disputes. John and his family moved to Colorado in 2011 where he continued his practice focus upon construction disputes (including arbitrations lasting 5 weeks), mechanic’s lien disputes, surety claims, insurance defense litigation, coverage and bad faith litigation, as well as construction contract negotiations, and is a member in good standing with the American Bar Association, the Colorado Bar Association and the Denver Bar Association.

John has a strong and proven background in construction disputes and commercial litigation, and has successfully negotiated numerous multi-million dollar business critical contracts well in excess of $100 million. John also has a notable background with jury and bench trials, and has been a vital asset in resolving complex multi-million dollar arbitrations. He has published appellate cases in Texas, Colorado, and Virginia, and given construction and insurance speeches in Las Vegas, Nevada. When not at work, John and his family take advantage of the many great activities offered by Colorado’s great outdoors, especially fly-fishing.

Taylor R. Seibel, Associate

Mr. Seibel joined Giometti & Mereness, P.C. in the Fall of 2017 after working as an attorney defending companies in employment and commercial litigation, and advising businesses on best practices and procedures to ensure compliance with federal and state laws affecting employers.  Mr. Seibel is a graduate of the University of North Dakota with a degree in history.  Mr. Seibel obtained his Juris Doctor from the University of Denver –  Sturm College of Law in December 2014, and was admitted to practice in Colorado in 2015.  During law school, Mr. Seibel focused on labor and employment law, receiving the Workplace Law Certificate.  Mr. Seibel finished in the Top 10 of his class and earned the Scholastic Excellence Award.


Trial Results

Trial results confirm we are among the best trial lawyers in Colorado in handling wrongful death, bodily injury, property damage, uninsured/underinsured motorist, insurance coverage and insurance bad faith litigation.

See Trial Results

Wrongful Death

We literally “wrote the book” about Colorado wrongful death law. See our Publications to learn more about our book G. Giometti, Colorado Handbook of Wrongful Death Law ( 4th Ed. 2019).  For years attorneys throughout the state have contacted our firm for guidance in handling wrongful death claims.  Contact us to benefit from our experience.

Insurance Bad Faith

We also “wrote the book” about insurance bad faith law in Colorado. See our Publications to learn more about our book G. Giometti, Colorado Law of Insurance Bad Faith (4th Ed. 2015).  We are highly experienced in analyzing complex insurance coverage issues, pursuing declaratory judgment actions, and litigating bad faith claims arising out of coverage and claims handling disputes.

Auto Accidents

We also “wrote the book” about motor vehicle accident litigation and insurance in Colorado. See our Publications to learn more about our book G. Giometti, Colorado Automobile Accident Litigation & Insurance Handbook (3rd Ed. 2018).   We are experienced in handling all types of motor vehicle accident cases, particularly those involving traumatic brain injuries and spinal injuries.