Billy Grogan is the Chief of Police for the Dunwoody Police Department in Georgia. Chief Grogan was hired on December 17, 2008, after serving 28 years with the Marietta, Georgia, Police Department, to start a brand new department. On April 1, 2009, the Dunwoody Police Department began operations with 40 sworn officers and eight civilians providing police services to the 47,000+ residents of the City of Dunwoody. Chief Grogan embraced the use of social media from day one of operations. The Dunwoody Police Department began using Twitter the first day and has added Facebook, YouTube, Pinterest, and Vine to their arsenal since then as effective tools to market their department and engage their community. Chief Grogan has written about the benefits of law enforcements use of social media, participated in several social media focus groups and lectured at the IACP, Georgia Association of Chiefs of Police Conference, COPS Conference, and many other venues. Follow Chief Grogan on Twitter @ChiefGrogan and the Dunwoody Police Department @DunwoodyPolice.