Kathleen has had a love of art and photography from an early age and graduated with a degree in journalism with an emphasis in photojournalism from the University of Georgia in 2000. After graduating, she moved to Chattanooga and worked as a staff photojournalist for the Times Free Press for seven years, winning numerous state and regional awards, as well as being nominated for a Pulitzer Prize in 2002.

For the last 14 years, she has focused her talent on freelance photography, shooting assignments locally, nationally, and internationally for a variety of clients and has been published around the world in a variety of places, including Time, People, Newsweek, Associated Press, Nature Conservancy, LensCulture, Photo District News, USAToday, Chattanooga Times Free Press, Next City, Chatter Magazine, Scenic City Weddings, The Tennessean, National Education Association, the Mountain Education Foundation, the Public Education Foundation, National Wildlife Federation, Gateway Journalism Review, NPR, South x Southeast Photomagazine, 100 Days in Appalachia, and National Geographic. In 2017 Kathleen returned to her documentary roots and traveled to Guatemala for the BFB Foundation where she documented the lives and living conditions of those that the foundation supports. She continues to receive international recognition and awards for her work, including Julia Margaret Cameron Award, Worldwide Photo Gala, Photo District News, LensCulture, the National Wildlife Federation, Neutral Density Awards, The Atlanta Photojournalism Seminar and has been featured multiple times by the Nature Conservancy including a Judges' Pick award and published five times by National Geographic, including twice as photo of the week. In the last two years she has been honored to have a total of 20 photographs chosen for permanent display in three new hospitals — Erlanger East, Erlanger Behavioral Health, and the Kennedy Children's Outpatient Center in Chattanooga. She was also named as a member of the Arts at Erlanger committee. Kathleen has been a featured presenter at four Photo Night events, including Lee University, Association of Visual Arts in Chattanooga and University of Tennessee at Chattanooga. She is also a regular guest speaker for college-level photojournalism classes and hosted her first solo gallery show of her work from Guatemala in 2019. In 2021 she was named by NoogaToday as one of "17 Women Making History in Chattanooga" and named as a Marquis Who's Who in America. She also partnered with the Tennessee Aquarium to sell prints of Chattanooga's famous Snowy Owl as a fundraiser for the aquarium. Her work is available for purchase in several locations around Chattanooga including Plum Nelly Shop and Gallery on the Northshore and Reflections Gallery in the Southside.

Follow her on instagram @kathleengreesonphoto