Credits the people behind mrJudge

Active Administrators

Ryan See Weixuan (rs, RI Baby/2004)
Leong Eu-Shaun (shaun6809, RI JC1/2019)
Benson Lin Zhan Li (bensonlzl, HCI JC1 Wabbit/2019)
Ranald Lam Yun Shao (ranaldlys, RJ Alumni (2014))
Lim Li (limli, NUSH Alumni)
Reporter (reporter, HCI Alumni)
Clarence Chew Xuan Da (clarencechew, NUSH Year 3/2014)
Li Da (lida, NUSH Staff)
Jeffrey Lee (jeff, NUSH Year 2/2015)
Zhang Guangxuan (guangxuan, RI Sec 4/2015)
Damian Ho Xu Yang (damian, HCI JC2/2018)
Daniel Choo Zhenghao (0rang3, RI Alumni/2021)
Pang Wen Yuen (wenyuen, RI Sec 4/2015)
Tan Chien Hao (tch1001, RI Sec 3/2018)
Xingchen Huang (lovemathboy, NUSH Year 5/2017)
Teow Hua Jun (huajun, HCI JC2/2019)
Wang Zhi Jian (zhijian, HCI Alumni/2015)
Ho Jie Feng (jiefeng, HCI Alumni (2016))
Dr. Steven Halim (steven, SG IOI Team Leader)
Lorraine Neo (lorraineneo, RI Teacher)
Zeng Fan Pu (fanpu, HCI Alumni (2015))
Wong Swee Chong Dave (davewongsc, NUSH Year 5/2019)
Ng Yu Peng (ngyupeng6, HCI JC2/2019)
Li Yue Chen (lyc, NUSH Year 3/2018)

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