Doreen is the Founder of ELLEMENT, a revolutionary patent-pending pre-natal supplement brand (backed by Human Ventures). Prior to Ellement, Doreen founded and led Poshly Inc. (exited to Suzy in 2021), a profitable, VC-backed data business. The company's clients included L'Oréal, Shiseido, Walgreens, COOLA, Patchology, and many more D2C health and wellness brands and retailers. Poshly was honored with Fast Company's Top 10 Most Innovative Big Data Companies, InStyle Magazine's "Best of the Web"​ and L'Oreal's NEXT Generation Award. Doreen was also named to the Forbes' 30 Under 30 and Inc.'s 30 Under 30 lists.

Doreen is an Advisor to startups like ClearForMe, and an Angel Investor in female-founded companies. Her work is regularly featured by top-tier press, such as The Wall Street Journal, The New York Times, VOGUE, Teen Vogue, Inc., Mashable, Forbes, Women 2.0, Feministing, Fortune & more.

Doreen holds a B.Sc. in Business Administration from UC Berkeley's Haas School of Business. She resides in the SF Bay Area with her family.