Foley & Mansfield
Foley & Mansfield

Calli B. Duncan

Partner - Detroit


Bar Admissions: Michigan; U.S. District Court, Eastern District of Michigan; U.S. District Court,Western District of Michigan

Practice Groups: Personal Injury Defense, Product Liability, Toxic Tort / Mass Tort, Cannabis

Education: Detroit College of Law, 1995, JD - magna cum laude; University of Michigan, 1987, BA, English

Memberships: Defense Research Institute (DRI); Michigan Bar Association


Calli Duncan, a partner in Foley & Mansfield's Detroit office, is a former stockbroker with strength in discovery, research and writing. Calli practices primarily in the areas of product liability, toxic tort and mass tort litigation, employment law and general liability.

In her practice, Calli works in both traditional and alternative forms of dispute resolution. She has developed successful out-of-court resolutions for suppliers, distributors and manufacturers involved in product liability claims ranging from food products to heavy equipment. Most recently she has concentrated in the defense of asbestos litigation claims.

Earlier in her career, Calli concentrated entirely on employment law matters. She has evaluated and litigated sexual misconduct, sexual harassment, gender discrimination, religious discrimination, ADA, affirmative action and whistle-blower cases on behalf of employers and municipalities. She also litigated a negligent supervision case and has served as a human-resources consultant.

She has past experience in medical malpractice and hospital liability and has successfully represented clients in premises liability claims.


May 5, 2016
Law360 Ranks Foley & Mansfield Among Top Firms for Female Attorneys

The national defense firm of Foley & Mansfield is pleased to announce it has been ranked 15th on Law360’s 2016 list of the 100 best U.S. law firms for women.


September 11, 2015
Detroit Office Celebrates 20th Anniversary, Centennial of Historic, Renovated Building

The Detroit Legal News covers our Detroit office's celebration of 20 years serving the greater Detroit area, and the centennial of its historic, renovated building.



  • Human Resources, Labor and Employment, NBI Marijuana Business Operations Seminar, June 24, 2019.


  • Helping Hand: Attorney Helps Build House for Needy Family in Mexico, Detroit Legal News, May, 2014.   Read the article.  
  • Empty Bowls, Full Hearts, Attorney co-chairs program to aid

    Cass Community Social Services, Detroit Legal News, April 2016.  Read the article.