When he was still a child, his babysitter and her husband found Chou's football talents and suggested Pepe to let him have formal training.
In 2010, sources have said that Chou has been called up many times by the 1st team of UD Salamanca to participate in training and eventually play official matches in 2011 or 2012.
In July 2010, the president of CTFA, Lu Kun-Shan, met with Chou and invited him to represent Chinese Taipei U23 for the 2012 London Olympics Qualifying.
On 29 February 2012, he made his debut game for Chinese Taipei Senior team, by substitution of his teammate Chen Yi-wei in 72 mins, in the friendly match against Hong Kong.
At a young age he was a part-time model, which serves as Spain's largest department store El Corte Ingles, and interpretation for brands such as ZARA, Gstar.