Upon graduation, Moskowitz joined United Press International, where he worked as a reporter and editor. In 1976, he founded Mediawire,[6] a regional press release distribution newswire in Pennsylvania. He sold the company to United Business Media of the United Kingdom in 1984 and became a vice president at its subsidiary, PR Newswire.[7]
In 1986, he founded Medialink Worldwide, which quickly became the world’s leading broadcast public relations provider. He guided the company through its initial public offering in 1997, led by Dean Witter.[7] As chairman, president and CEO, PR Week said that Moskowitz is “widely credited with having founded the discipline as we know it.”[4]
Medialink, based in New York, had 7 offices in United States, its European headquarters in London, and 22 affiliated companies in Europe, Asia, the Middle East and South Africa. Many Fortune 100 companies were clients, including General Motors, IBM, Johnson & Johnson, Sony and Pfizer.[7]
Lumentus, which Moskowitz co-founded in 2009, also established Lumentus Social in 2013, which provides a platform for businesses and franchisees to distribute curated content to help businesses maintain their social media pages.[8] In 2019, Moskowitz announced the launch of Lumentus Lightbox, a search analytics tool for professional communicators.[9][10]
Moskowitz has been a co-board chair of the National Theatre of the Deaf since 2003.[11]