baiCohn & Wolfe has opened a Guangzhou office, its fourth China outpost, with Colgate as a base client.

Cyrus Yeung, brand director for adidas and marketing comms. leader for Procter & Gamble's SK-II and Gillette in China, has joined C&W to oversee the office as marketing leader. He reports to Tiffany Bai (pictured), managing director for mainland China.

The WPP-owned firm's Chian clients include Colgate (based in Guangzhou), AliCould (Alibaba's cloud computing unit), Asics and United Airlines. C&W has previously repped Colgate, but picked up Mainland China AOR duties recently.

Bai noted Guangzhou is evolving from a manufacturing and trading city to a focus on innovation and technology, creating greater client demand for the region.

C&W also resides in Hong Kong, Shanghai and Beijing.