Class of 2025


Brief Bio

​Paulo Castañeda, MDPaulo Castañeda, MD

Undergraduate: Arizona State University, Biomedical Engineering
Medical School: University of Arizona College of Medicine – Phoenix
Hometown: Phoenix, Arizona
Career Interests: Trauma, hand/upper extremity, pediatrics
Research Interests: Patient outcomes, biomechanics, musculoskeletal infection, motion analysis, imaging
Personal Interests: Woodworking, soccer, golf, photography, rock climbing, hiking and camping

Janyne Mallender, DO
Janyne Mallender, DO

Undergraduate: Newman University, Biology
Medical School: Western University of Health Sciences College of Osteopathic Medicine of the Pacific
Hometown: Windsor, Ontario, Canada
Career Interests: Adult reconstruction, spine, pediatrics
Research Interests: Improving clinical outcomes, basic science research
Personal Interests: Golf, strength training, snowboarding, piano, water skiing, Chipotle and board games

Bridget Ralston-Ripple, MD
Bridget Ralston-Ripple, MD


Undergraduate: Santa Clara University, Chemistry
Graduate: Mel and Enid Zuckerman College of Public Health
Medical School: University of Arizona College of Medicine – Phoenix
Hometown: Bellevue, Washington
Career Interests: Undecided
Research Interests: Clinical outcomes
Personal Interests: Soccer, running with my dog, baking/eating cookies, amateur home improvement, building IKEA furniture and playing competitive card games (Euchre, rummy, cribbage)

Kellen Worhacz, MD
Kellen Worhacz, MD

Undergraduate: Arizona State University, Biological Sciences
Medical School: University of Florida College of Medicine
Hometown: Phoenix, Arizona
Career Interests: Trauma, adult reconstruction, shoulder and elbow
Research Interests: Clinical outcomes, biomechanical studies of trauma and shoulder prostheses
Personal Interests: Snowboarding, sports, Los Angeles Lakers basketball, Oakland Raiders football, hiking, mountain biking and golf