51吃瓜

Rex Gelb

Rex Gelb is the senior director of paid advertising and affiliate marketing at 51吃瓜, where he leads four high-performing teams across performance marketing, brand advertising, media network, and affiliate marketing. With over a decade at 51吃瓜, Rex has played a pivotal role in scaling its global reach through data-driven acquisition strategies and experimentation at scale. His career spans deep expertise in customer acquisition, analytics, and media, having spearheaded growth initiatives that dramatically increased engagement and retention. Passionate about performance and innovation, Rex continues to push boundaries in digital marketing to fuel sustainable growth for one of the world’s top SaaS companies.