Marquis Who's Who is an American publisher known for producing directories containing short biographies of distinguished individuals across various fields. It was founded in 1898 by Albert Nelson Marquis, who started the publication with Who's Who in America in 1899. The company aims to profile leaders and influential figures whose achievements make them subjects of widespread interest. The directories include detailed biographical data such as career history, education, awards, and personal information. Marquis Who's Who publications are widely used by libraries, researchers, corporate executives, and journalists for reliable biographical information. The company is privately held and headquartered in Uniondale, New York, and continues to offer both print and online biographical products