Walter lectures on screenwriting and storytelling throughout North America and the world. He has written numerous feature assignments for the major studios including the first draft of American Graffiti, and has sold material to all of the Big Three television networks. He is the author of bestselling fiction and nonfiction. He has also written numerous informational, educational and corporate films, and is a 40-year member of the Writers Guild of America. He has conducted master classes in cities including among others London, Paris, Jerusalem, Madrid, Rio de Janeiro, Mexico City, Beijing, Shanghai, Hong Kong, and Sydney.
Walter is also a pop culture critic and media pundit who has appeared multiple times on The Today Show, Fox News, MSNBC’s Hardball with Chris Matthews, The CBS Evening News, Scarborough Country, CNN and NPR. Walter is also a court authorized expert in intellectual property law, in particular plagiarism and copyright infringement.