Meet our Attorneys

David K. TeSelle

Trial Lawyer

David TeSelle - Lawyer of the Year 2017 David TeSelle - Super Lawyers David TeSelle - Avvo Top Attorney Commercial Real Estate Award

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

 February 23, 2021

Cincinnati Magazine Recognizes Shareholder Janet Abaray

Janet G. Abaray is featured in the March 2021 issue of Cincinnati Magazine in the “Women Who Move Cincinnati” section. Ms. Abaray is the managing shareholder for the Cincinnati office of Burg Simpson Eldredge Hersh & Jardine and has litigated extensively in the area of pharmaceutical products liability. She also represents plaintiffs in insurance and… Read more »

 February 16, 2021

Medical Malpractice Attorney Charles Mendez Discusses Birth Trauma Cases

An article authored by Burg Simpson medical malpractice attorney, Charles Mendez, was recently published in the AAJ Birth Trauma Litigation Group Journal. In this article, Mr. Mendez provides a comprehensive analysis and discusses an important issue raised in a birth injury case that is currently on appeal. Mr. Mendez is an experienced trial lawyer and… Read more »

 February 15, 2021

Recent Court Ruling Increases Risks for Colorado Skiers

Burg Simpson Shareholder Peter Burg Interviewed by Channel 7 TV News on the Recent Court Ruling that Increases Risks for Colorado Skiers A ruling from the Colorado Court of Appeals regarding the waivers printed on lift-tickets and season-passes has raised concern among many of our state’s personal injury lawyers and victim advocates. The court of… Read more »

 February 10, 2021

Shareholder Melanie Bailey Appointed to the Elmiron Steering Committee

Burg Simpson shareholder Melanie S. Bailey was recently appointed by federal district Judge Brian R. Martinotti to help lead a multidistrict litigation (MDL) against Janssen Pharmaceuticals. Ms. Bailey will serve on the Elmiron MDL Plaintiffs’ Steering Committee (PSC) and help advance the centralized litigation on behalf of all plaintiffs. The Elmiron lawsuits, centralized in the District of… Read more »

Denver, CO – Auto Wreck with Injuries on I-70 Blocks Highway

 June 19, 2020

David Hersh: COVID-19 and Loss of Business Income

Shareholder David Hersh Discusses COVID-19 and Loss of Business Income  David P. Hersh is a shareholder and co-practice group leader with  Burg Simpson’s business and commercial litigation department.  “I am David Hersh, Co-leader of the Commercial Litigation Department at Burg Simpson. Business owners across the country have suffered from the loss of business income as… Read more »

David TeSelle Discusses Qui Tam Lawsuits

 June 18, 2020

David TeSelle Discusses Qui Tam Lawsuits

David K. TeSelle is a trial lawyer and co-practice group leader with  Burg Simpson’s business and commercial litigation department.  “Do you have confidential information about a company who is cheating the state or federal government out of money, leaving the American taxpayer holding the bag? If so, there is something you can do about it,… Read more »

 June 16, 2020

Shareholder Jacob Burg Discusses Burg Simpson’s Commitment to Pro Bono Work

Jake Burg is a shareholder and a trial lawyer with  Burg Simpson’s personal injury department. “Since the firm’s inception in 1976, Burg Simpson has been committed to providing pro bono legal services to heroes who have dedicated themselves to serving others in times of great need. As an attorney with Burg Simpson, I was proud to… Read more »

Denver, CO – Motorcyclist Injured in Crash on S Federal Blvd

 June 15, 2020

Injured in a Motorcycle Crash? Call Burg Simpson Now

Injured in a Motorcycle Crash? Call Burg Simpson Now Shareholder Stephen J. Burg is a trial lawyer and the practice group leader of the firm’s personal injury department. If you, or someone you know, has been injured in a motorcycle crash, you need someone to be on your side. Insurance companies make huge profits by… Read more »

Top 100 National Trial Lawyers Legal 500 Best Lawyers in America Super Lawyers US News 2020 Top 25 Most Influential Lawyers