Martin Conroy (1922–2006) was an American advertising executive best known for his direct mail piece for The Wall Street Journal, often referred to as the "Two Young Men" letter. This letter, used continuously from 1975 to 2003, is credited with generating over $2 billion in subscription revenue for the publication.

Martin Conroy turned a simple yet powerful story into a $2 billion sales machine, proving that persuasive copy isn’t just words—it’s the bridge between desire and action.