This episode is co-hosted by Nick Brunacini and John Vance.

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Vincent Joseph Dunn is a retired firefighter who served the New York Fire Department for 42 years, rising in rank to Commander of Division 3 (Midtown Manhattan). A contributing editor to Firehouse Magazine, he is the author of four books on firefighting. Two were written prior to his 1999 retirement from New York City Fire Department: 1988 – "Collapse of Burning Buildings: A Guide to Fireground Safety"; 1992 – "Safety and Survival on the Fireground". Two were written after retirement: 2000 – "Command and Control of Fires and Emergencies"; 2007 – "Strategy of Firefighting".

Dunn is a nationally recognized expert on high-rise firefighting, rescue, and building collapse. The National Institute of Standards and Technology (NIST), an agency within the United States Department of Commerce, selected him to serve as a consultant in its investigation into the collapse of the World Trade Center's Twin Towers and 7 World Trade Center.

This B Shifter episode was recorded in New York City on June 3, 2022.