MARY LOU WALEN
March 16, 2023
Passionate about patient rights and education, Mary Lou Walen has been the president, CEO, and owner of Walen & Assoc Inc., since 2009.
Passionate about patient rights and education, Mary Lou Walen has been the president, CEO, and owner of Walen & Assoc Inc., since 2009.
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.