Sydney J. Delin Kolker

Sydney J. Delin

  • Staff Attorney
  • Washington, DC
she / her / hers


Sydney is a staff attorney in Hausfeld's DC office focusing her practice on antitrust litigation. Sydney also has experience in immigration law, international law, and human rights law. 

Prior to joining Hausfeld, while in law school, Sydney was on the Human Rights Brief, and worked as a Special Assistant to Commissioner Claudio Grossman at the United States International Law Commission in Geneva, Switzerland. As an active human rights advocate, Sydney co-wrote a report on sexual and gender-based violence against Syrian refugees . She has conducted research on criminal liability of noncitizen protestors for the National Immigration Project of the National Lawyers Guild. Sydney has represented asylum-seekers as a student attorney with her law school’s International Human Rights Law Clinic. 

Sydney finished law school as a Pro Bono Honors Graduate with Exceptional Service Honors for completing 175+ hours of pro bono work.

Working towards a diverse, equitable, and inclusive world is paramount for Sydney, who is an active member of our Women's Alliance and Racial Justice working groups.