Practice and Industry Groups

Colleen G. DeRosa

Associate Chicago

Colleen represents businesses in a wide range of employment and commercial lawsuits and provides day-to-day advice to management on employee relations issues.  Colleen has significant experience litigating cases in federal and state court, including class action wage and hour lawsuits, and high-stakes non-compete, non-disclosure, and non-solicitation agreements, and misappropriation of trade secrets claims.  She regularly defends litigation and administrative charges alleging discrimination, harassment, retaliation, and wage and hour violations. 

Prior to joining Ogletree Deakins, Colleen was an associate at a large national law firm where she represented clients in employment, breach of contract, trade secrets, and criminal matters.  She also externed with the former Chief Justice of the Illinois Supreme Court, the Honorable Thomas R. Fitzgerald, and Judge Mark J. Lopez of the Circuit Court of Cook County, Illinois. 

Colleen has been named an Illinois Rising Star for 2014 and 2015 -- a distinction awarded to attorneys under the age of 40 based on 12 indicators of peer recognition and professional achievement. 


  • Colleen has extensive experience litigating claims under Title VII, the ADA, the ADEA, the FMLA, and the FLSA and their state law counterparts. 
  • She manages all phases of litigation including fact investigations, managing discovery strategy and e-discovery issues, conducting and defending depositions, and drafting dispositive motions, motions in limine, and jury instructions.  She has contributed to numerous successful dispositive motions that obtained dismissal with prejudice of all claims. 
  • Colleen represents clients in agency investigations and fact-finding conferences, and frequently negotiates favorable, confidential out-of-court resolutions.

Professional Activities and Speeches

Professional Activities:

  • American Bar Association
  • Executive Committee of the Associates Board for Legal Prep Charter Academy
  • Chicago Bar Association


  • 19th Annual Employment Law Institute for the Illinois Institute for Continuing Legal Education - ''LGBT Issues in Today’s Workplace'' - Chicago - May 06, 2016


Published Works


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