Donal M. O'Brien

The Chicago Bar Association is a voluntary membership organization consisting largely of lawyers and judges from Cook County and the state of Illinois. The private company is based in Chicago, IL and has subsidiaries in the United States. The association works to establish and maintain the honor and dignity of the profession of law, promote the welfare of its members, and improve the effectiveness and efficiency of the administration of justice. Founded in 1874, it is one of the oldest and most active metropolitan bar associations in the United States.

American Bar Association provides legal services. It provides law school accreditation, continuing legal education, legal information and other services to assist legal professionals. The firm has members which include judges, court administrators, law professors, and non-practicing attorneys. The company was founded on August 21, 1878 and is headquartered in Chicago, IL.

The Illinois State Bar Association is a state bar association that serves lawyers. The association is based in Springfield, IL. The association provides various resources for lawyers, including legal forms, expert services, and publications. It also offers continuing legal education programs and hosts events for lawyers.

American Liver Foundation engages in facilitating, advocating and promoting education, support, and research for the prevention, treatment, and cure of liver disease. It educates patients, policymakers and the public and provides grants to early-career researchers to help find a cure for all liver diseases. The company was founded in 1976 and is headquartered in New York, NY.

Bryan Cave Leighton Paisner LLP provides legal services. It is a business and litigation firm with a diverse client base, includes business, financial institutions and not-for-profit organizations, government entities and individual clients. The firm represents business, financial, institutional and individual clients, including publicly held multinational corporations, large and mid-sized privately held companies, partnerships and emerging companies. The company was founded by Robert D. Klingler in 1873 and is headquartered in St. Louis, MO.