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Meet The Police Department

Police Department Bios

Chris GriffenChris Griffin - Chief of Police
Chris serves as the Chief of Police for Sullivan’s Island. His law enforcement career began at the North Charleston Police Department in 1995.  He joined the Sullivan’s Island Police Department in August 1997 as a patrol officer and was given the opportunity to advance through the ranks.  Positions held in the department include corporal, lieutenant, acting chief before being appointed police chief by Town Council in January 2018. Law enforcement is his passion and he especially enjoys helping people, becoming part of the community, and developing the department for the future. You may contact him at 843-883-5739 or




Chris WallaceChristopher J Wallace- Captain 
Captain Wallace serves as second in command of the Police Department under Chief Griffin. He assists with daily operations of the department. He also serves as the evidence custodian. Captain Wallace began his career in 1997 as a reserve police officer with the Isle of Palms Police Department. He went on to serve as a patrolman with the Hanahan Police Department before joining Sullivan’s Island in 1999. Captain Wallace can be reached at 843-883-5738 or





Nelson GarenaNelson Gerena -Sergeant 
Nelson started with the Town in 2014 with over many years of prior law enforcement experience. He is the Agency’s National Crime Information Center Terminal Agency Coordinator and also serves as the Logistic Sergeant. Additionally, he serves as a Firearms and TASER Instructor. Nelson can be reached at 843-883-5740 or




Gary EricksonGary Erickson- Sergeant
Sgt. Erickson joined the Sullivan’s of Island Police Department in 2016 and has many years in law enforcement experience.He has been assigned duties in administration protocol for State and City citations and as evidence storage custodial assistant. He currently maintains credit for Field Training Officer status. Gary can be reached at 843-883-5714 or

Steve DunbarSteve Dunbar -Sergeant 
Steve is a native of Charleston, SC and currently assigned to training for the Sullivan’s Island Police Department. He has held various positions in Administration, Patrol and Criminal Investigations and has advanced Law Enforcement Certifications. He has taught both Basic and Advanced Law Enforcement training classes locally and internationally. Steve can be reached at 843-883-5754 or





Josh PooleJoshua Poole-  Patrol Officer 
Josh started working for the department in 2008. His prior experience includes North Charleston Police. He is a certified School Resource Officer and serves on the Sullivan’s Island Elementary School Safety Board. He can be reached at 843-883-5736 or





Sydney De NettSydney De Nett -Patrol Officer 
Sydney has been serving the residents since 2017. She got her start on the Island as beach patrol and went to the South Carolina Criminal Justice Academy where she graduated as a Patrol Officer. She has a strong focus on community outreach and enjoys meeting each resident and visitor. She can be reached at 843-883-5755 or





Ryan Moulton

Ryan Moulton- Patrol Officer
Ryan began his law enforcement career in 2010 with North Augusta Public Safety. He has been with the Sullivan’s Island Police Dept. since June of 2018. His duties include patrolling the Island, focusing on protecting the Island residents and their property. He has received his traffic officer certification and is the Police Department's first certified traffic officer.  Officer Moulton can be reached at 843-883-5714 or

Carlos HernandezCarlos Hernandez -Patrol Officer 
Carlos started with the Town in May of 2017 as a Beach Service Officer. Since then, he has served in many rolls including Parking Enforcement and Town Code Enforcement. He was sworn in as a Patrol Officer and Graduated the South Carolina Criminal Justice Academy in February 2019. Officer Hernandez can be reached at 843-883-9636 or


Tom McLellanTom McLellan - Fleet Manager 
Tom began working for the Town in 1994. Tom was promoted to the Town Fleet Manager in July. Tom's duties include maintaining the Town's vehicle maintenance, animal control and many small projects the Police Department handles. You can reach Tom at 843-883-5737 or






Walter SherrillWalter Sherrill- Beach Services
Walter joined the department in 2013 after retirement from 32 years as a Chemist in the Philadelphia Medical Examiner’s Office Forensic Lab. 2019 marks his seventh year as a Beach Service Officer. He is known by many as the “Ambassador on the Beach.” Walter also serves as the Elementary School Crossing Guard.






Amanda Capone Amanda Capone- Code Enforcement
Amanda Capone was hired in January 2019 as the Code Enforcement Officer. Her duties include business license compliance enforcement, parking enforcement, and enforcement of other town ordinances.