About Protek

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Protek International, Inc. applies unrivaled expertise to help our clients address the many facets of technology, investigations, digital evidence, reputational risk, and corporate crimes.

Protek’s team of computer forensics, digital evidence and information security experts is unparalleled in the industry. Drawing from an array of backgrounds in the private sector and law enforcement, Protek’s professionals hold certifications from the leading computer forensics associations and software providers, including Guidance Software, Inc.

Protek’s experts have provided services and instruction to corporations from the Fortune 100 to sole proprietorships, and to law enforcement and governmental agencies around the world, including high level and top secret intelligence and investigative agencies as well as local police departments. The Protek experts are battle-tested, with extensive trial experience, testifying and qualifying as experts in all levels of the justice system.


Protek’s principals boast unrivaled expertise gained in distinguished careers in the ederal and state criminal justice arenas.

During his 27-year FBI career, Protek founder Daniel Bellich was entrusted with a wide range of supervisory responsibilities and case assignments. He developed expertise in complex white collar crime, organized crime, violent crimes and international drug trafficking cases. Dan compiled a distinguished record of leadership with the FBI, culminating as a Supervisory Special Agent in the Bureau's Chicago Field Office. Before joining the F.B.I., Bellich worked as an accountant for Ernst & Ernst.

Co-Founder Keith Chval crowned a 13-year career as a prosecutor by creating and leading the Illinois Attorney General’s High Tech Crimes Unit – one of the first multi-disciplinary high tech crimes units in the country. His team of prosecutors, computer forensic examiners, and investigators garnered a 100% conviction rate in over one hundred cases during Chval’s seven years as Unit Chief. Chval is also an adjunct professor of law in The John Marshall Law School’s LLM program, teaching classes on electronic discovery, computer forensics, digital evidence, and cyber-crime-related topics.


Computer ForensicsInvestigative ServicesAdvisory ServicesElectronic Discovery