Credits the people behind mrJudge

Active Administrators

Ranald Lam Yun Shao (ranaldlys, RJ Alumni (2014))
Lim Li (limli, NUSH Alumni)
Ng Yu Peng (ngyupeng6, HCI JC1/2018)
Lim An Jun (limanjun, HCI JC1/2018 BIG NIAO <(")
Damian Ho Xu Yang (damian, HCI JC2/2018)
Benson Lin Zhan Li (bensonlzl, HCI Sec 4/2018)
Tan Chien Hao (tch1001, RI Sec 2/2017)
Teow Hua Jun (huajun, HCI JC1/2018)
Pang Wen Yuen (wenyuen, RI Sec 4/2015)
Gao Shan Sam (sam, RJ Alumni (2014))
Wang Jianzhi (jianzhi, RI Sec 3/2015)
Zeng Fan Pu (fanpu, HCI Alumni (2015))
Li Da (lida, NUSH Staff)
Wang Zhi Jian (zhijian, HCI Alumni/2015)
Xingchen Huang (lovemathboy, NUSH Year 5/2017)
Teo Por Loong, Jacob (jacob, NUSH Year 3/2015)
Jeffrey Lee (jeff, NUSH Year 2/2015)
Zhang Guangxuan (guangxuan, RI Sec 4/2015)
Clarence Chew Xuan Da (clarencechew, NUSH Year 3/2014)
Gan Wei Liang (weiliang, HCI Alumni (JC2/2013))
Lin Si Jie (sijie, RI JC2/2014)

Active Maintainers

Technical:

Ranald Lam
Gao Shan Sam
Lin Si Jie
Pang Wen Yuen

Content and Problems:

Pang Wen Yuen (RI)
Chang Si Yuan (RI)
Lim Li (NUSH)
Clarence Chew (NUSH)
Wang Zhi Jian (HCI)
Ho Jie Feng (HCI)

Developers

mrJudge 2009: Raymond Kang
mrJudge 2013: Ranald Lam
Pang Wen Yuen
mrJudge 2014 / mrJudge: Ranald Lam
Gao Shan Sam
mrJudge 2015 (Grading Backend): Ranald Lam
Gao Shan Sam