An attorney at Katz Friedman, Eagle, Eisenstein, Johnson & Bareck, Keith Sparks divides his practice between workers' compensation matters and plaintiff's personal injury and wrongful death litigation. From the firm's office in Chicago, Illinois, he provides representation to clients throughout the state.

In his workers' compensation practice, Mr. Sparks assists people who have been injured on the job or who have incurred occupational diseases and who are seeking their rightful benefits under their employer's insurance coverage. He has appeared on their behalf at administrative appeals hearings and in court against entities such as Wal-Mart Stores, Inc., the Chicago Transit Authority, the city of Chicago, Dollar General, FedEx Corporation, Walgreens, and the state of Illinois. The types of injuries that his clients have suffered have included those to the neck or cervical spine, lower back, carpal tunnel, and shoulder, leg and knee injuries. His personal injury and wrongful death experience have included cases stemming from motor vehicle crashes, construction site accidents, and defective products. Mr. Sparks also has assisted clients who are attempting to obtain Social Security Disability Insurance benefits.

He has been named to the Illinois Rising Star list that last five years (2018 - 2022) by Super Lawyers which recognizes only 2.5% attorneys in the State of Illinois.

He has presented on various topics in front of injured workers, unions and its members, and at some law schools. These presentations covered multiple topics like: Workers’ Compensation, Social Security Disability, Family Medical Leave Act and American Disabilities Act.