W.M. (Walt) Kroboth is a former senior intelligence officer with the Canadian Security Intelligence Service (CSIS), specializing in business intelligence and investigations for multinational and high‑risk organizations. Over a 25‑year CSIS career, he led counter‑terrorism, counter‑intelligence, and foreign‑intelligence operations, recruiting and handling human sources, running technical collection, directing surveillance, and coordinating joint operations with allied services before retiring as Chief, Toronto District Operations.
In the private sector, Walt has spent more than 15 years leading intelligence collection and internal investigations, including serving as Vice President, Intelligence, in the Deloitte Forensic practice, where he supported complex mandates involving M&A, integrity due diligence, regulatory compliance, workplace misconduct, and brand and reputation risk. His teams conduct open‑source and online investigations across social media, the surface web, deep web, and dark web, as well as discreet background inquiries on entities and individuals linked to high‑value transactions, critical third‑party relationships, and geopolitical conflict exposure.
Walt is also a screenwriter and entertainment‑industry consultant who brings operational realism to espionage and financial‑crime stories for film and television projects such as the NBC Universal/CBC series “Fortunate Son” and the crime series “Pure.” A former reporter with The Globe & Mail and communications consultant with Hill & Knowlton, he holds a Bachelor of Applied Arts in Journalism from Ryerson University and is a graduate of the Sir William Stephenson Academy, the primary tradecraft program for Canadian intelligence officers.
Walt is a high‑value SME on national security, HUMINT tradecraft, corporate intelligence programs, and deep‑web investigations, providing realistic perspectives on espionage for both corporate and public sector clientele.

