Katherine Fitzsimmons

Katherine Fitzsimmons currently serves as Vice President of Human Resources at OCI since September 2025. Previously, Katherine held positions such as Director of People & Culture at Greiner Packaging and Senior Human Resources Manager at Crystal Windows & Doors IL. MFG. With extensive experience in human resources management, Katherine also worked as Head of Human Resources at Trailer Source, Inc., and as Director of Human Resources at Highlands Landscaping and Fencing, LLC. Additionally, Katherine has a creative background as a Freelance Photographer and Web Designer, providing professional photography services and website development for various clients, including Philly's Next Champ. Katherine's career began at Power Home Remodeling, where multiple roles included Office Manager and Customer Care Manager. Katherine holds a Bachelor's degree from the University of Scranton and a high school diploma from Scranton Preparatory School.