About me
As the leader of RXMOSAIC and Chief Growth Officer of sister-agency MMC, Walker works hand-in-glove with the healthcare industry’s most consequential people and brands, including Merck, Pfizer, Regeneron/Sanofi, AstraZeneca, Novartis, Amgen, and an array transformational mid-cap and biotech companies who are challenging the status quo. Her work has built RXMOSAIC into a dynamic powerhouse bringing game-changing healthcare communications spanning all industry sectors, therapeutic areas, and comms disciplines.
Notably, Walker and her team managed the U.S. COVID-19 treatment and vaccine responses for AstraZeneca; led life-changing and award-winning work in Parkinson’s disease with the “LIVE WELL. DO TELL” initiative; directed “STORY HALF TOLD, Pfizer’s groundbreaking, heavily decorated metastatic breast cancer campaign; managed Regeneron/Sanofi’s first-of-its-kind partnership with Paramount/Nickelodeon’s Blue’s Clues and You! program; introduced revolutionary blood test Galleri, named a TIME 200 Best Invention to the oncology community; oversaw the U.S. launch of Botox competitor Daxxify, the first innovation in botulinum toxins in 30 years; launched AstraZeneca’s “Get Body Checked” cancer screening initiative with the National Health League; and brought awareness to Contrave, the #1 branded prescription drug in the fraught obesity space prior to the advent of GLP-1s.
Walker’s transformative work with MMC and RXMOSAIC has been recognized by the Cannes Lions, Clio, Effie, and PRWeek Awards, PRWeek Healthcare Awards, PRSA Anvils, Shorty Awards, and PRovoke SABRE Awards. Under her stewardship, RXM has been nominated for PRovoke Healthcare Agency of the Year finalist 2024, PRovoke Best Midsize Agency to Work for 2024, and MM+M Healthcare Agency of the Year finalist 2023.
A Healthcare Businesswomen’s (HBA) Luminary, she has served as a juror for the industry’s top award competitions, including the North American SABRE Awards, MM&M Awards, Drum PR Awards, PRSA Silver Anvil Awards, PRSA Bronze Anvil Awards, and PRWeek Brand Film Awards. She is a member of the coveted and highly competitive Fierce Pharma PR & Communications 2024 Advisory Board, charged with curating and moderating industry events that bring healthcare and marketing leaders together on timely industry topics.
Prior to joining MMC/RXM, Walker helped catapulted WPP’s Goodfuse to 400% growth as Managing Director, helping transform the agency from a one-client conflict shop into a healthcare communications dynamo. Walker holds a master’s degree in communications studies from University of Portland (Oregon) and is a proud alumnus of The Ohio State University, where she remains highly engaged as a frequent visitor, speaker, and Ohio PRSA liaison. Away from the office, Walker serves as a volunteer mentor with 826NYC, an after-school organization that trains and educates children on creative writing, and is a certified education liaison for the NYC Red Cross. She resides in New York City with her husband and twin daughters.