Kelsey Severide is Kelly severides little sister . She's 22 years old and is the PIC of ambulance 61 at firehouse 51 Kelsey grew up at the firehouse where her father was a firefighter so she fell in love with the environment of a firehouse so instead of becoming a firefighter she became a paramedic! She has been working at 51 for 2 years now and she earned her spot as PIC with gabby left and she is enjoys it so very much ! Kelsey has a lot of people looking out for her especially her brother Kelly . Kelsey always felt like he watched her every move and is always so protective over her but when she got a job at 51 Matt also became protective over Kelly as he was Kelly's best friend Read to find out more about Kelsey's journey as a PIC