Katie O'Brien

Katie O'Brien is the founder and injector at Katarina Bader Aesthetics, the SaddleBrooke medspa, and she also serves as its Clinical Director. She works as a dermatology physician assistant, holding the PA-C MMS credential.

She has practiced aesthetic medicine since 2002, the year BOTOX launched commercially. In 2014 she co-founded Skinjectables, a walk-in injectables clinic in Tucson, and in 2016 she became Tucson's only Allergan Medical Institute clinical trainer. She has since founded several clinics across the Tucson and Southern Arizona region.

Her specialty is injectables, and she has trained thousands of injectors over more than two decades in the field. She is a leading national trainer for Allergan Medical Institute.