Peng taught at Tamkang University.[2] He was the director of resource development at the National Culture and Arts Foundation [zh] (NCAF) from 2003 to 2015.[1] Peng then joined the Keelung City Government under mayor Lin Yu-chang as director general of the municipal Cultural Affairs Bureau until 2017,[1][3] when he returned to the NCAF as chief executive officer, where he remained until 2019.[1] After his appointment as deputy culture minister in 2019, Peng spoke at the 2019 Comic Exhibition in Taipei,[4] the nomination ceremony for the radio portion of the 54th Golden Bell Awards,[5] a ceremony honoring Taipei's Museum 207, which was one of the first private museums to be certified within the purview of the Museum Act,[6] and the Taiwan-Germany Human Rights Education Workshop.[7] As deputy culture minister, Peng commented on Fresh Taiwan, a showcase of Taiwanese brands and products overseas,[8] and took part in commemorations of the Kaohsiung Incident in 2019,[9] and the 228 incident in 2020.[10]