Walter lectures on screenwriting and storytelling throughout North America and the world. He has written numerous feature assignments for the major studios and has sold material to all of the Big Three television networks. He has also written many informational, educational and corporate films, and is a 30-year member of the Writers Guild of America. He has conducted master classes in London, Paris, Jerusalem, Madrid, Rio de Janeiro, Mexico City, Beijing and Hong Kong.
Walter is also a pop culture critic and media pundit on entertainment history-related topics, such as anti-Americanism and Hollywood, screenwriting as a career, film production and politics. Walter is also a court authorized expert in intellectual property law, in particular, plagiarism and copyright infringement.