Headshot of Rosie Walker, President of Mediate.ly

Rosie Walker, President

If you think a machine is relentless, you haven’t met Rosie. With more than 25 years of experience leading breakthrough marketing strategies, Rosie is a visionary leader shaping the future of media buying and performance measurement. She has guided campaigns for Harvard Business School Online, OSF HealthCare, Global Atlantic, and KKR, applying deep industry expertise with an instinct for what’s next.
 

At Mediate.ly, Rosie drives innovation through the integration of AI tools, new ad tech platforms, and real-time attribution models. Her approach modernizes how media is planned, optimized, and measured, empowering teams to move faster and more intelligently. Whether she's building cross-channel frameworks or testing the next evolution in personalization, Rosie brings clarity, speed, and results to everything she touches.


When not obsessing about data segmentation, she is finding a new hidden travel spot with her husband and two sons.

Andrew Perry, SVP Growth

Harnessing nearly 20 years of expertise, Andrew challenges the status quo to bring Mediate.ly’s client into trailblazing omni-channel campaigns that drive growth across healthcare, education, financial services, and B2B industries. His digital media experience spans programmatic, search, and social—always anchored in data and curiosity.
 

Andrew is committed to exceptional outcomes and lasting partnerships, using AI to augment—not replace—the human creativity and connections that define impactful media leadership and performance.  He has partnered with leading organizations including OSF Healthcare, OU Health, Beazley Group, and Miami University to name a few.
 

In today’s zero-click advertising world, he ensures brands stay visible by pairing demand-gen with retargeting to build trust and engagement. 
 

After the day is done (is it ever, though?), Andrew is volunteering his time as coach on the Ball field or as Board Member of the local swimming club.

Mandy Davis, VP Revenue Operations

Mandy Davis brings two decades of experience in media strategy, financial oversight, and operational leadership to her role as Vice President of Revenue Operations. She specializes in building scalable infrastructures that align media, sales, and marketing functions to maximize growth.


With a deep background in media negotiation and brand strategy, Mandy has led successful initiatives across healthcare, higher education, and retail media—ranging from cutting-edge digital campaigns to high-profile placements like stadium naming rights. Her financial expertise includes forecasting, budgeting, and ROI modeling, ensuring data-driven decisions that drive long-term value. Mandy is passionate about creating integrated strategies which deliver both compelling experiences and bottom-line results.

 When not at work, Mandy loves adventuring through life with her husband and two kids.

Ashley Young, VP Campaign Operations & Delivery

With over a decade of experience in the digital marketing industry, Ashley Young is a visionary leader who seamlessly blends innovation with foundational marketing principles. As the VP of Campaign Operations & Delivery, Ashley champions the mantra of "right person, right message, right time," navigating the ever-evolving digital landscape while staying true to the core essence of effective marketing. Her expertise lies in balancing people, process, and product to cultivate strong, successful partnerships with clients. Known for her strategic foresight and ability to drive teams into uncharted territories, Ashley ensures we remain at the forefront of digital marketing excellence.

Ashley Young, Media Marketing Manager