It is led by Tik Chi-yuen, who was a co-founder and longtime member of the Democratic Party until his expulsion in 2015 for promoting political reforms proposed by the Chinese central government.

[1] Others included Hung Fook Tong executive director Ricky Szeto Wing-fu and Shue Yan University associate professor Lee Shu-kam.

[1] And yet, on 22 July 2016, ten members of the Third Side quit which included two vice-chairmen Marcus Liu Tim-shing and Ben Kuen Ping-yiu, who were all part of the team that was going to run in the New Territories East constituency.

[4] In December 2021, it was reported that Wong Chun-long, Third Side candidate in the New Territories North West constituency in that month's LegCo election, had posed as a young girl on online discussion forum LIHKG.

[10] However, on 16 February 2022, Tik, along with the other 89 members of the LegCo, made a statement of gratitude to Chinese Communist Party general secretary Xi Jinping for his "guidance" in fighting the COVID-19 pandemic in Hong Kong.