Steph So

Portrait
Steph So, Chief Growth Officer

As Chief Growth Officer at Shake Shack, Steph oversees the company’s digital marketing and experience, promotional strategy, consumer analytics and culinary innovation. Since joining in 2019, she has been a key driver of Shake Shack’s digital marketing success, leading significant growth in digital sales, driving enhancements to the Shack App and website, and building impactful co-marketing campaigns with delivery partners.


Prior to Shake Shack, Steph served as Chief Marketing Officer at Extend Fertility and Cover FX, where she built digital-first strategies and integrated marketing campaigns. Earlier in her career, she held roles at Ralph Lauren, Shopbop, and The Estée Lauder Companies, focusing on brand building in fashion, beauty, and e-commerce. Steph is a graduate of Stanford University and holds an MBA from Harvard Business School. She is also a co-founder and on the Board of South Bronx United, a nonprofit supporting youth development. She also serves as a mentor for Apex for Youth.