Dr. Katrina Walsh is a Gryffindor who owns & operates her medical practice in Plano, TX. A gifted witch in Transfiguration & Potions, Katrina went on to achieve her healing certifications from St. Mungo's Hospital. Katrina read Harry Potter at the same time as her eldest daughter, & fell instantly in love, attending midnight premieres, book releases, & throwing wildly extravagant 11th (acceptance), 14th (triwizard), & 17th (horcrux) birthday parties for her three daughters back to back in 2008. She listens to the audiobooks every night to fall asleep, & has read the first book over 50 times.