Leadership
Executive leadership team and world-class senior management
Executive Team
Brenda Wu
President and CEO
Brenda oversees Topix’s family of brands. Prior to joining Topix, Brenda spent over 13 years at L’Oréal- serving as U.S. General Manager of SkinCeuticals. Under her leadership, SkinCeuticals rose from the #3 to the #1 professional skincare brand ranked by revenue.
Seth Summerlin
COO
Seth is a chemical engineer by degree having spent 15 years at Celanese working globally in nearly every function of the company and then 10 years at Avantor shepherding it from private equity owned at less than $500M in revenue to publicly traded with over $6B in revenue.
Katie Guild
CMO
Katie Guild brings over a decade of experience in luxury and professional beauty marketing for skincare and fragrance lines. Before joining Topix Skin Health, she was the SVP of Global Marketing at NuFACE and a head of marketing for Lancome Fragrances, L’oreal Paris, and Skinceuticals brands.
Her areas of expertise include brand strategy, operations, omnichannel marketing, and building best-in-class teams across product marketing, digital marketing, communications, influencer relations, and retail marketing.
Katie was recognized as Top Marketer 2023 by Glossy.
Steven Hernandez
Senior VP of R&D
Steven has as a degree in chemistry and has been with Topix formulating dermatology products and collaborating with physicians on fulfilling skin care needs for almost 40 years.
He has patented numerous technologies for Topix and regularly works with physicians and universities to create products, optimize clinical outcomes and publish journal articles.
Christina Miles
VP Key Accounts, Contract Manufacturing
Leads selling and business development strategy for the Topiderm CM division. Coming from the brand side of the business and working with Topiderm prior to joining the team, she brings a unique perspective in understanding both sides of the brand-manufacturing relationship.
Sophia Arena
Chief of Staff to the CEO
Prior to joining Topix, she worked as a consultant at Bain & Company before leaving to join the investment team Sycamore Partners, a consumer and retail focused PE firm.