MARY LEE GANNON
November 7, 2024
Mary Lee Gannon, president and executive coach at MaryLeeGannon.com, guides professionals and corporations through leadership challenges.
Mary Lee Gannon, president and executive coach at MaryLeeGannon.com, guides professionals and corporations through leadership challenges.
Marquis Who’s Who was established in 1898 and promptly began publishing biographical data in 1899. More than 120 years ago, our founder, Albert Nelson Marquis, established a standard of excellence with the first publication of Who’s Who in America.