
MARY DEVON O'BRIEN
Backed by expertise in communications and management, Mary Devon O’Brien is thriving as the commissioner of the Essex County Tax Board and as the president
Backed by expertise in communications and management, Mary Devon O’Brien is thriving as the commissioner of the Essex County Tax Board and as the president
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.