Zhao You Ting (English name: Mark Chao) is a Taiwanese actor, singer, and model. He graduated from the University of Victoria in Canada. His breakout role came in the 2009 tv show Black & White in which he won the Best Leading Actor Award at the 44th Golden Bell Awards and he followed that by winning the Best New Performer award at the 2011 Asian Film Awards for his role in the critically acclaimed movie Monga. His most acclaimed work is in the drama Eternal Love.
His father is actor Allen Chao. On June 5, 2014, Mark Chao and Gao Yuanyuan registered their marriage in Beijing. On April 7, 2019, the couple announced that Gao Yuanyuan is pregnant. On 21st May 2019 their daughter was born.