Meet the People Behind the Mission

Principled Investigations Group brings together former federal agents, military veterans, experienced investigators, forensic specialists, and intelligence professionals with more than 150 years of combined experience. Working as one team, we deliver disciplined fact-finding, defensible documentation, and trusted support for complex legal, corporate, government, and private matters, always guided by Truth, Integrity, and Tenacity.


Owner/Managing Member & Principal

Bill Byassee
CCDI, CBE

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Matt Redmond

Executive Vice President - BC - Senior Investigator & Strategic Partnerships

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Shawn Byassee

Executive Vice President - BC - Consultant, Digital Forensics & Evidence

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Loryn Byassee

Investigator - Social Media Specialist

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Senior Expert Investigator

Diana Strain

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Senior Investigator - Field Operations & Surveillance

Jason Strain

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Senior Investigator - Field Operations & Surveillance

Daniel Rutledge

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Garrett Investigations - Affiliation Partner

Teri Dervenis

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Erin O’Leary

O’Leary Intelligence - Affiliation Partner

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Fittz & Associates - Affiliation Partner

Dean Fittz

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