John Janicik’s law practice is primarily dedicated to two key areas of law: public law and finance, and corporate law and finance.
John counsels clients in regulatory, government relations, public law and municipal finance areas. He represents participants in municipal finance transactions as bond counsel, underwriters' counsel, issuer's counsel and credit enhancer's counsel and represents private-sector clients before state and local governments. John advises various casino industry interests on regulatory, financing and corporate matters and counsels a variety of private-sector and government clients. John also advises clients across a broad variety of corporate issues, including financings, acquisitions and general counsel.
Prior to joining Mayer Brown in 1988, John was associated with another prominent Chicago law firm. Between 1984 and 1985, he served as Legal Clerk to the Illinois Commerce Commission and, from 1982 to 1983, as Legislative Liaison for the Illinois Department of Commerce and Community Affairs. John also worked (1981–1982) as Assistant to James R. Thompson, then Governor of Illinois. Earlier, he held positions with a leading US food-products manufacturer. John is an active member of numerous professional and civic organizations and has served with various state and local government agencies.