Complex sentence: Chen became well known in China for personally rescuing 13 people and donating millions to the relief effort in the aftermath of the 2008 Sichuan earthquake, and Forbes chose him as one of the 48 leading philanthropists of the Asia Pacific Region in both 2008 and 2009.
Split into simpler sentences: Chen became well known in China for personally rescuing 13 people as part of a broader involvement in the rescue effort following the 2008 Sichuan earthquake. Forbes Asia chose him as one of the 48 leading philanthropists of the Asia Pacific Region in both 2008 and 2009.