E317 Marissa Kiersch: Creating Immersive Moments of Joy

Marissa Kiersch is a seasoned event marketing and brand strategy leader with more than 20 years of experience creating high-impact experiential campaigns for Fortune 500 brands. As SVP & Head of Brand + Creative Strategy at 15|40 Productions, she leads the agency’s positioning, creative vision, and strategic growth, helping clients deliver culturally relevant, unforgettable brand experiences. Her work spans large-scale immersive activations and tentpole events for brands including Paramount+, Hulu, ESPN, Disney, and Nickelodeon, with recent highlights such as Disney’s Percy Jackson Experience at San Diego Comic-Con and ESPN’s Party at the Playoff. Known for blending storytelling, innovation, and operational excellence, Marissa thrives on turning bold ideas into moments audiences can see and feel. She is passionate about pushing creative boundaries, mentoring teams, and building experiences that resonate long after the event ends.