CDR Brian Crosby is a native of North Carolina. He obtained his commission as a Surface Warfare Officer from the United States Naval Academy in 2001, graduating with a Bachelor of Science in English.

Commander Crosby completed his division officer tours aboard USS LEYTE GULF (CG 55) as Damage Control Assistant, deploying to the Arabian Gulf in support of Operation Enduring Freedom, and Training Officer aboard USS DEWERT (FFG 45) conducting Counter Narcotic Operations in the 4th Fleet AOR. As a department head, he was Operations Officer onboard USS O'KANE (DDG 77) home-ported in Pearl Harbor, Hawaii and USS COWPENS (CG 63) forward deployed in Yokosuka, Japan. He was Commanding Officer of Patrol Coastal Crew MIKE and subsequently USS TYPHOON upon the ending of rotational crewing. During his command, USS TYPHOON was awarded the 2014 Battle "E" award for Patrol Coastal Squadron One.

During his shore tours, he attended the Naval Postgraduate School, receiving a Master's Degree in Systems Engineering Analysis and completing Joint Professional Military Education Phase I. His most recent tour was as Sea Power/Surface Warfare Analyst, in Assessments Division (N81) on the Chief of Naval Operations Staff.

He assumed command of LITTLE ROCK BLUE in May 2020.

Commander Crosby's awards include the Meritorious Service Medal, Navy Commendation Medal, Navy Achievement Medal and various unit and campaign awards.

He is a member of Kappa Alpha Psi Fraternity, Inc, and loves spending time with his wife Melody, and their three children.