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About me

Ms. Ryan began her legal career as an Assistant Cook County State's Attorney in 1994. Over the next seventeen years, she was promoted through various assignments within the State's Attorney's Office. Today, she uses her extensive trial experience and vast knowledge of the inner-workings of "the system" to vigorously defend her clients. 

For over ten years, Ms. Ryan was a Felony Trial Assistant where she successfully prosecuted dozens of felony jury trials, including murders and sexual assaults. She has experience presenting expert testimony in various areas, including DNA, Shaken Baby Syndrome, Arson, Firearms, Drug Chemistry, Latent Fingerprints, and Sexual Assault Nurse Examiners. She has litigated hundreds of felony bench trials and motions. 

As a Misdemeanor Assistant, she prosecuted misdemeanor and DUI cases. As a Preliminary Hearing Assistant, she conducted preliminary hearings and presented Grand Jury indictments. As a Felony Review Assistant, she worked closely with local law enforcement agencies who were seeking approval to file felony charges. Ms. Ryan evaluated the police investigation and interviewed victims, witnesses, and suspects to determine if charges were appropriate. Additionally, she memorialized hundreds of defendant's statements and has firsthand knowledge of police tactics used to conduct investigations and obtain confessions. 

Ms. Ryan has participated in the National Criminal Justice Trial Advocacy Competition as a competition evaluator. She is currently a nominee for appointment to the Board of Governors of the West Suburban Bar Association. and the Board of Directors of the Southwest Bar Association 

Professional Associations and Memberships 

Illinois Association of Criminal Defense Lawyers, Member 

West Suburban Bar Association, Member 

Southwest Bar Association, Member 

Chicago Bar Association, Member 

Illinois State Bar Association, Member 

Phi Beta Kappa.


Practice areas


  1. Criminal Defense: 50%
    3 years
  2. Violent Crime: 10%
  3. Immigration: 10%
  4. DUI & DWI: 10%
  5. Other: 20%
  6. More 


Payment types:

Cash, Check, Credit card

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Contact info

Katherine M. Ryan, Attorney At Law

2205 S Wolf Rd # 208
Hillside, IL, 60162-2212


ILActive And Authorized To Practice Law199411/12/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Work experience
TitleCompany nameDuration
Of CounselGodoy Olivieri, Ltd2011 - Present
Association namePosition nameDuration
Chicago Bar AssociationMemberN/A
Southwest Bar AssociationBoard MemberN/A
West Suburban Bar AssociationMemberN/A
Illinois State Bar AssociationMemberN/A
School nameMajorDegreeGraduated
Thomas M. Cooley Law SchoolLawJD - Juris Doctor1993
Marquette University Law SchoolN/ABA - Bachelor of Arts1987