Guinness J. Costello

Guinness J. Costello is a trial attorney at Herman Law, a position held since December 2021. Prior to this role, Guinness J. Costello served as an associate attorney at Singleton Schreiber McKenzie & Scott from January 2021 to December 2021. Additionally, a legal internship was completed at the Kane County Public Defender’s Office in the summer of 2017. The educational background includes a Doctor of Law (JD) degree obtained from the University of San Diego School of Law, with studies taking place from August 2017 to May 2019, and attendance at Northern Illinois University College of Law from August 2016 to May 2017.