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Callahan C. Klein


Callahan Klein is an Associate Attorney at Brennan Burtker LLC where she focuses her practice on medical malpractice defense, representing physicians, nurses, and hospitals in complex litigation.  

Ms. Klein was admitted to the Illinois Bar after graduating cum laude from the University of Wisconsin Law School in May 2023.

She earned a B.A. in English and Integrated Liberal Studies from the University of Wisconsin-Madison in December 2018. Ms. Klein is an active member of the Illinois Bar Association, the Chicago Bar Association, the State Bar of Wisconsin, and Chicagoland Risk Management Society (CHRMS).


University of Wisconsin Law School, J.D.                                                                                                                                                                University of Wisconsin-Madison, B.A.


Supreme Court of Wisconsin, 2023                                                                                                                                                                      Supreme Court of Illinois, 2023


Memberships and Affiliations

State Bar of Wisconsin                                                                                                                                                                                              Illinois State Bar Association                                                                                                                                                                                  Chicago Bar Association                                                                                                                                                                                      Chicagoland Healthcare Risk Management Society 


About Us

Brennan Burtker LLC is Chicago’s first full service health care law firm, providing clients everything from defense litigation to health care compliance services. Our partners are established and recognized defense litigation attorneys with an in-depth understanding of the day to day issues facing health care professionals and institutions.

Contact Us

20 N Clark St, Suite 1800, Chicago, IL 60602

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