MARYLAND With over 20 years of experience, Tiffany Green has worked as a firefighter, paramedic, station commander and more. PRINCE GEORGE'S COUNTY, Md. — History will be made in Prince George's County Tuesday as the first female fire department chief, Tiffany Green, is set to be sworn in. With over 20 years of experience, Green has worked as a firefighter, paramedic, station commander and more.