Perspectiva General

A shareholder in Littler's Denver office, Margaret Parnell Hogan began her career in the firm's Chicago office. She represents clients in a variety of industries including transportation, manufacturing, retail, government contracting and the oil and gas industry, in federal and state courts and before administrative agencies such as the Equal Employment Opportunity Commission and state equivalents. Margaret focuses her litigation practice on:

  • Discrimination class actions
  • Wage and hour collectives
  • Harassment litigation
  • Disability claims
  • Employment discrimination claims

Additionally, Margaret frequently counsels clients on a variety of human resource matters, including:

  • Compliance with Title VII
  • The Americans with Disabilities Act (ADA)
  • The Family and Medical Leave Act (FMLA)
  • Issues of progressive discipline
  • Termination of employees

Margaret has conducted training programs and seminars for all levels of employees on topics such as conducting legal investigations, preventing harassment in the workplace, and compliance with the ADA and the FMLA.

Margaret is co-chair of Littler's Women's Leadership Initiative (WLI) and was a founding member of the WLI Steering Committee, and she also has managed the firm's annual Class Action Group Strategy Conference, an invitation-only seminar presented to a select group of clients that examines new developments and strategies for defending against class action lawsuits from the perspective of lawyers, experts and academics. She also serves on the firm's Diversity and Inclusion Council.

Afiliaciones Profesionales y Comunitarias


Colorado Bar Association


Denver Bar Association


Federal Bar Association


National Association of Women Lawyers


Named, The Best Lawyers in America®


News, Analysis & Press

64 Law Firms Get Mansfield 2.0 Certification

Law Week Colorado

September 9, 2019

2014 Women’s Roundtable

Law Week Colorado

May 29, 2014

Hit The Door

Pizza Today

March 1, 2013

Less is Not Always More: The Importance of Open Communication with Clients in Times of Crisis

The ABA Woman Advocate

Vol. 14, No. 4

Summer 2009

Push for Time Off Gains in Many States

The Wall Street Journal

June 22, 2009

Speaking Engagements


Littler Executive Employer Conference, Phoenix, AZ

May 10, 2023

Federal and State Employment Law Highlights

Senior Women’s Corporate Counsel

November 5, 2022

2020 Rocky Mountain Virtual Employer

November 18, 2020

Internal Investigations in the COVID-19 Era

June 11, 2020

Mastering the Complicated Ones: Examining HR Scenarios Involving Difficult Decisions and Legal Risks

2019 Rocky Mountain Employer Conference, Denver, CO

October 4, 2019

Doggy Dilemmas: Accommodating Service Animal Issues

Rocky Mountain Employer Conference

September 21, 2018

What Managers Can Do to Mitigate Litigation Risk (and What You Can Do to Help Them)

Littler Executive Employer, Phoenix, AZ

May 4, 2018

The Employee from Hell - A View from the Dark Side

The 2017 Executive Employer® Conference

May 12, 2017

Becoming a Human Lie Detector: Tactics for Assessing Employee Truthfulness

Rocky Mountain Employer Conference

September 21, 2016

2016 Rocky Mountain Employer Conference

Denver, CO

September 21, 2016

Second Annual Puerto Rico Conference

August 18, 2016

The Employee from Hell: The Tables Are Turned

The 2016 Executive Employer® Conference, Scottsdale, AZ

May 6, 2016

Controlling Employee Personal Behavior in the Age of Social Media and Personal Technology?

The 2012 Executive Employer® Conference

Littler Mendelson, Scottsdale, AZ

May 10, 2012

The Employee from Hell

May 25, 2011

The Executive Employer Conference

2011 Executive Employer Conference® - Littler Mendelson, Phoenix, AZ

April 2011

Class Action Summit

September 23, 2010

The Executive Employer Conference

2010 Executive Employer Conference® - Littler Mendelson, Phoenix, AZ

April 2010


  • J.D., Chicago-Kent College of Law, 1999With Honors
  • B.A., University of Wisconsin, Madison, 1994

Admisión de la barra



  • U.S. Supreme Court
  • U.S. Court of Appeals, 6th Circuit
  • U.S. Court of Appeals, 7th Circuit
  • U.S. Court of Appeals, 8th Circuit
  • U.S. Court of Appeals, 10th Circuit
  • Colorado Supreme Court
  • Illinois Supreme Court
  • Wyoming Supreme Court
  • U.S. District Court, District of Colorado
  • U.S. District Court, District of Wyoming
  • U.S. District Court, Northern District of Illinois
  • U.S. District Court, Central District of Illinois
  • U.S. District Court, Northern District of Indiana
  • U.S. District Court, Eastern District of Arkansas
  • U.S. District Court, Western District of Arkansas