[4] After Chien had left the race, Wang was invited to take part in Taiwan's first televised presidential debate, between Chen Shui-bian and Lien Chan, as one of five questioners.

[9] Wang stepped down at the end of his legislative term in January 2008 and later that year, became the secretary general for the League of Social Welfare Organizations in Taiwan.

While with the group, Wang criticized the Council of Labor Affairs for spending money on nonessential acquisitions in the midst of budget cuts.

In 2013, he brought attention to a case of discrimination on the basis of disability, when police were called to escort a woman with Down syndrome out of a McDonald's restaurant in Kaohsiung.

[25] Wang signed on in support of a 2016 amendment to the Act of Gender Equality in Employment, which made it possible for both married and unmarried parents to claim family leave.

[26] He suggested that retirement age for Taiwanese schoolteachers be raised to 65 later that year, and drew criticism from the National Federation of Education Unions.