Slingerland & Clark P.C. - Legal Services | Sycamore IL

Providing in-depth and knowledgeable legal representation

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499 E State St. Sycamore, IL

Dale Clark

Jack C. Slingerland received a Juris Doctorate degree from Loyola University of Chicago School of Law.


Jack is the city Attorney for Genoa, IL. He has served as a DeKalb County Assistant State’s Attorney, as the DeKalb County Public Defender, and as an Assistant Attorney General for the State of Illinois. He served as a member of the legislative staff of the Speaker of the Illinois House of Representatives, Michael J. Madigan.


Jack has been in private practice of law for more than 23 years, and now is the co-owner of Slingerland & Clark, P.C. He is admitted to practice in federal and state courts, is a member of the Kane County Bar Association, and is a member and past president of the DeKalb County Bar Association.

Jack C. Slingerland

Dale J. Clark graduated Cum Laude in 1994 from Northern Illinois University School of Law. After graduating, Dale began his legal career with the Law Office of Howard S. Miller in Elgin, Illinois, concentrating in that firm’s personal injury practice.


In 1997, Dale opened his own firm in DeKalb, Illinois, broadening his practice to include all areas of general civil litigation, criminal defense, and family law, as well as probate and real estate transactions.


Dale joined our law firm in 2006 and is now the co-owner of Slingerland & Clark, P.C.  Dale has served as a court-appointed Guardian ad Litem to represent the best interests of children in custody disputes. Dale formerly served on CASA’s Board of Directors, and is a member of the Kane County Bar Association and the DeKalb County Bar Association. He is a hearing officer for the County of DeKalb and former Trustee for the Village of Hinckley and a member of the Illinois State Bar Association.


Attorney Dale J Clark, with over 20 years of family law experience, is also a trained Family Mediator and can assist you with family mediation to help resolve your differences.  Whether you have been court ordered to attend mediation, or you simply seek assistance in reaching an agreement with the other parent on issues involving your child or other important matters, Attorney Clark can help both parties with that process in a professional, friendly, and neutral environment.  

Dale J. Clark


Learn More About Us

Learn more about the attorneys that will be representing you. Each of our attorney's carries a wealth of experience in a wide variety of civil and criminal matters. Stop by and visit Slingerland & Clark, P.C. in Sycamore, IL today!

Trust in the team that has over 60 years of combined experience.

Retain an attorney with the trusted experience

you deserve.


Jack Slingerland