Katie calls Atlanta, Georgia home. She attended Greater Atlanta Christian School, where she was the NHS treasurer, Mu Alpha Theta Co-President, and swim team captain. She helped guide her high school relay team to first place in the state meet, finishing with an All-American time standard. She also set a number of records at her high school and also competed at Junior Nationals.She spent eleven years at Dynamo Swim Club and was twice chosen as a Scholastic All American. As a freshman at Yale, she was an Ivy finalist in the 100 breaststroke and a consolationist in the 200 breaststroke.

Katie is a twin and has spent her summers volunteering in a hospital and working at a veterinary clinic.