John Grennon

John Grennon has a diverse work experience. John started their career in 1993 as a Lieutenant in the Suffolk County Sheriffs Department, where they served for twenty years. In 2009, they joined Massachusetts General Hospital as an Operations Supervisor until 2016. In 2014, they were employed at LAN-TEL Communications, Inc. in the Business Development role. Finally, in 2016, John became an Adjunct Faculty member at the University of Massachusetts Lowell.

John Grennon has a diverse and extensive education history. John obtained an Associate of Arts (A.A.) degree in Criminal Justice/Law Enforcement Administration from Northeastern University between 1994 and 1997. Following this, they pursued a Bachelor's degree in Criminal Justice/Police Science from Western New England University, completing it between 1999 and 2002. In 2003 and 2004, John earned a Certificate in Paramedic Technology from Emergency Medical Teaching Services, specializing in Emergency Medical Technology/Technician (EMT Paramedic). Lastly, they further advanced their education, earning a Master's Degree in Criminal Justice/Terrorism and Homeland Security from Southern New Hampshire University, which they completed between 2013 and 2016.