John D. Murphy is the younger brother of LT Michael P. Murphy and president of the LT Michael P Murphy Navy SEAL Museum. Like his brother, John was born in Smithtown, NY and raised in Patchogue, NY. He attended the Patchogue-Medford School District and graduated with the Class of 2004. He went on to attend New York Institute of Technology (NYIT) and received a Bachelor of Science in Criminal Justice in 2009.
He currently serves as a police officer for the New York State University Police, a position he has held since 2011. John is also on the board of directors for the Navy SEAL LT Michael P. Murphy Memorial Scholarship Foundation.