Stephanie Withworth

Stephanie brings over 5 years of experience in media and client management, having developed her expertise within both global agency and brand-side environments. Now a Senior Growth Manager at One Day Agency, she specializes in crafting bespoke media strategies and executing high-impact plans across UK and global markets.

With a deep background in Out-of-Home (OOH), Experiential, and Events, Stephanie is known for her dependable, detail-oriented approach to end-to-end campaign delivery. A natural communicator and problem solver, she thrives in fast-paced settings, balancing high-level strategic oversight with hands-on execution. Her collaborative mindset and sharp commercial awareness—backed by a first-class degree in Film Production Technology—make her a trusted partner to clients and internal teams alike.