For more than 18 years, Mr. Rosenblum has been on the cutting edge of the digital ‘videojournalist’ revolution. During this time, he has lead a drive for videoliteracy, and the complete rethinking of how television is made and controlled. His work has included: The complete transitioning of The BBC's national network (UK) to a VJ-driven model, starting in 2002.

The complete conversion of The Voice of America, the United State’s Government’s broadcasting agency, (and the largest broadcaster in the world), from short wave radio to television broadcasting and webcasting using the ‘VJ” paradigm (1998-present). The construction of NYT Television, a New York Times Company, and the largest producer of non-fiction television in the US.

Rosenblum was both the founder and President of NYT TV, (all based on the “VJ” paradigm – 1996-1998). The President and Founder of Video News International, a global VJ-driven newsgathering company, with more than 100 journalists around the world. (1993-1996). He has also designed, built and implemented VJ-driven newschannels around the world, including Time/Warner’s New York 1, Associated Newspapers (UK) London based Channel 1, Young Broadcasting stations in the US, Switzerland’s largest commercial TV broadcaster, TeleZuri, as well as a host of smaller projects such as Eritrea’s ERI-TV and Sri Lanka’s SLBC. His consulting clients include The BBC, TV-24/Germany, TV4/Sweden, Oxygen Media, BBC, KBC, TVL, Danmarks Radio (DK), TV-3 Sweden, Norway & Denmark, Tokyo Broadcasting, Korea Broadcasting.

As a producer, Rosenblum has produced or overseen production on more than 300 hours of programming for both network and cable. His shows have included the long-running Trauma:Life in the ER, Paramedics, Police Force, Labor and Delivery, Science Times. These series have aired on TLC, Showtime and National Geographic. He has also produced for ABC, CBS, Oxygen and the BBC.

Most recently his groundbreaking 5Takes series for Discovery has completely rewritten the production paradigm. The company currently has more than 50 hours in production for this year alone. He has conducted his unique VJ training classes all over the world, from Thailand to Marrakech, and has lectured extensively both overseas and in the US. He is an adjunct professor of communication at New York University, where he teaches “Television and the Information Revolution”, a course of his own design, and at The Bauhaus in Germany.

His Brussels based Rosenblum Institute trains European journalists to work as vjs.
He is the author of Videojournalismus (Germany).