Pfizer became a household name during the COVID-19 crisis, but faced new brand identity challenges in the post-pandemic period. Susan Rienow took the helm as global chief marketing officer just over a year ago, building upon 23 years of experience at the company. In a short amount of time, Rienow has defined herself as an impactful leader in steering the company’s marketing strategy as it reinvigorates its brand, increasingly establishing itself as a leader in oncology. “My team and I work to make sure that the innovation happening at Pfizer is communicated in a way that resonates with patients, their families and healthcare providers.”Return to Healthcare Marketing Influencers. From the August 01, 2025 Issue of MM+M - Medical Marketing and Media