Theodore Gailan - Highly Skilled DuPage County Attorney

Theodore Gailan, DuPage County Attorney at Law
Practicing in DuPage and Cook County

1690 West Lake Street • Addison, Illinois 60101
630-467-0400 • email Ted


  • The Law Offices of Theodore Gailan, Addison, Illinois August, 1996, to present. Managing Partner: Concentration in Criminal, DUI Defense and, Domestic Relations.
  • Biestek and Associates, Arlington Heights, Illinois January, 1995, to July, 1996 Associate: Domestic Relations Litigation
  • DuPage County Public Defender’s Office, DuPage County, Illinois July, 1988, to December, 1995 Senior Assistant Public Defender: Felony Division, March, 1991, to December, 1995; DUI/Misdemeanor Division, August, 1989, to February, 1991; Juvenile Division, July, 1988, to July, 1989.
  • Cook County State’s Attorney’s Office, Chicago, Illinois April, 1984, to April, 1988 Assistant State’s Attorney: Criminal Appeals Division (three appellate court arguments), April to August, 1984; DUI/Traffic Division, September, 1984, to September, 1985; Juvenile Court Division, Delinquency Section, November, 1985, to December, 1986, Juvenile Court Division, Child Abuse and Neglect Section, January, 1987, to April, 1988.
  • Murges, Bowman and Corday, Ltd., Chicago, Illinois January, 1981, to May, 1984 Associate: Concentration in Worker’s Compensation.
  • Office of the Comptroller of the Currency (OCC), Administrator of National Banks, U.S. Treasury Department, Seventh National Bank Region February, 1978, to August, 1980 Associate National Trust Examiner: Examiner in charge of OCC national bank trust department examinations: supervised examinations, presented findings to bank boards of directors, wrote examination reports.


  • The John Marshall Law School, J.D., June 1983 Moot Court Honors Program
  • DePaul University, Chicago, Illinois M.B.A., June, 1977
  • Lake Forest College, Lake Forest, Illinois B.A., June, 1974 Majors: Economics, Politics Scholastic Awards: Economics Department Teaching Assistantship
  • Illinois State College Scholarship Activities: Varsity Baseball and Basketball (six varsity letters) Saint Ignatius High School, Chicago, Illinois.

Professional Training

  • NHTSA D.U. I. Detection and Standardized Field Sobriety Testing, March, 2002
  • State Appellate Defender Trial Advocacy Program, March, 1990
  • National Criminal Defense College, June, 1991
  • Advanced Cross Examination Techniques, April, 1992
  • National Criminal Defense College, Advanced Cross Examination, March, 1993

9.1Theodore Gailan