Colleen’s practice focuses on complex commercial litigation, class actions, and antitrust litigation. She has also represented numerous clients in adversary proceedings before bankruptcy courts. Colleen’s attentiveness to client needs, eye for detail, and ease with litigation procedure make her an invaluable addition to any litigation team.

Colleen is currently representing a large group of direct action plaintiffs, including Sysco, US Foods, Target, and Campbell Soup, in an antitrust case concerning broiler chickens. She also represents direct action plaintiffs, including Sysco, in antitrust cases concerning the pork and beef markets.

In addition, Colleen is a key member of a team that has achieved over $1 billion in settlements for plaintiffs in a class action MDL against the automobile industry arising from the use of defective airbags.

Colleen has also represented defendants, including journalists Sir Harold Evans and Tina Brown in a trial victory over claims brought against them by the bankruptcy estate trustee for a former financial advisor.

Prior to law school, Colleen served as a policy analyst at the Manhattan District Attorney's Office in New York.

  • Harvard Law School, J.D.; Harvard Law & Policy Review (Editor-in-Chief), American Constitution Society at Harvard Law School (Program Chair)
  • Dartmouth College, B.A., magna cum laude and High Honors, History; Phi Beta Kappa, Dartmouth Fund Scholarship, Rufus Choate Scholar (top 5% of class), Varsity Women's Crew 


  • New York
  • New Hampshire
  • U.S. District Court: Southern District of New York
  • U.S. District Court: Eastern District of New York

American Bar Association

New Hampshire Bar Association

  • Honorable Paul G. Gardephe, U.S. District Court: Southern District of New York