







Trial Lawyer David K. TeSelle is a Colorado and Arizona licensed attorney who has successfully tried numerous cases to jury verdicts in both state and federal court, as well as private arbitration. Mr. TeSelle was a lead counsel in 2019 on one of the largest personal injury jury verdicts in Arizona history ($58.5 million). He has also successfully battled the largest banks in the world including in litigation related to the 2008 economic collapse (the so-called “Big Short” cases) and regularly represents numerous plaintiffs in large class action and mass tort actions against corporate bad actors, large and small. Mr. TeSelle has represented both plaintiffs and defendants, and his focus is on complex trial litigation. Mr. TeSelle has recovered hundreds of millions of dollars for his clients.
At Burg Simpson, Mr. TeSelle is a Preferred Shareholder and the leader of Burg Simpson’s Complex Commercial Trial Team. The business and commercial litigation department has achieved Tier 1 status by US News and World Report (the highest-ranking available). His team includes over a dozen of the best trial lawyers in the country.
Mr. TeSelle’s primary practice areas include: Complex Commercial Litigation; “Bet Your Business” Litigation; Catastrophic Injuries; Mass Torts; Class Action; Shareholder, Partnership and LLC Member Disputes; Fiduciary Duty Violations; Construction Defects; Securities; Insurance Bad-Faith; COVID-19 Business Interruption Claims, Lender Liability; Shareholder Derivative Actions
Mr. TeSelle also represents and provides guidance to state and federal whistleblowers under the False Claims Act (so-called Qui Tam actions) when they expose fraud against the state and federal government.
Mr. TeSelle is AV-rated by Martindale-Hubbell, has been repeatedly recognized in Best Lawyers in America (including achieving Best Lawyers-Lawyer of the Year status in 2017), Colorado Super Lawyers, is a Fellow in the Litigation Counsel of America, maintains a 10.0 AVVO rating, and has been honored as a Top 100 Trial Attorney by the National Trial Lawyers Association (of which he is Past President of the National Trial Lawyers Business Torts section).
Mr. TeSelle was born in Lincoln, Nebraska, grew up in Reading, Pennsylvania, and has lived in Colorado for the past twenty years. Mr. TeSelle graduated from Columbia College of Columbia University in New York, NY in 1991. Mr. TeSelle received his law degree from Pennsylvania State University (f/k/a The Dickinson School of Law) in 1994.
Best Lawyers® “Lawyer of the Year 2017,” Mass Tort Litigation/Class Actions – Plaintiffs, Denver
Top Verdict® "Top 50 Jury Verdicts," All Practice Areas, 2019
Nation’s Top One Percent 2015, National Association of Distinguished Counsel
Selected to Best Lawyers® in America, 2013-2021
Selected to Colorado Super Lawyers®, 2012-2018 and 2020 - 2021
Top 100 Attorney, The National Trial Lawyers
AV Preeminent® Rating, Martindale-Hubbell
AVVO®, Highest Distinction of Superb 10.0 Attorney Rating
Senior Fellow, Litigation Counsel of America
President, National Trial Lawyers Business Tort Trial Lawyers Association
Colorado, 1998
Pennsylvania (Inactive), 1994
U.S. District Court, District of Colorado, 1998
U.S. District Court, Eastern District of Pennsylvania
U.S. Court of Appeals, 10th Circuit
Arizona, 2015
J.D., 1994, Dickinson School of Law, Pennsylvania State University
B.A., 1991, Columbia College, Columbia University in New York, NY
President of the National Trial Lawyers Business Tort Trial Lawyers Specialty Association, 2012-2015
The National Trial Lawyers (NTL)
Colorado Trial Lawyers Association (CTLA)
American Bar Association
Colorado Bar Association
Arapahoe County Bar Association (ACBA)
Jefferson County Bar Association
July 16,, 2020: "Review of Chiafalo and Baca: The “Faithless Electors” Supreme Court Cases"
The National Law Review: Online article by David K. TeSelle.
December 11, 2019: David K. TeSelle interviewed by The Daily Show regarding the $58 million verdict in the Biological Resource Center case in Arizona.
Adjunct Faculty, University of Denver Sturm College of Law