华伟陈是加拿大注册专业会计师。作为马来西亚出生的第四代华裔，华伟自幼便对数字情有独钟。尽管母亲并不清楚最适合他的学数方式，但三岁那年，他偶然在书封上看到乘法表后，竟将12×12以内的乘法表全部背诵下来。
华伟曾三次参加世界记忆锦标赛（MCWC），其中在2012年赛事中，他获得总分亚军、附加赛季军及乘法项目亚军。他还曾参加过世界记忆锦标赛（Memoriad）。
华伟接受过传统算盘训练，是少数曾在西方赛事中参赛的选手之一，他采用从左到右的乘法运算方式。

Jure is a Herzegovinian mental calculation competitor who finished 9th in Season 1 of Calculation League and 6th in Season 2. Upon starting Calculation League, Jure immediately demonstrated a high visualization ability, and then quickly further developed his techniques, advancing to the finals in Season 2.
Outside of mental calculation, Jure also likes mathematics and was a strong Kangaroo competitor. He also participates in —- and hosts —- a trivia competition, and previously memorized over 500 digits of pi.
Jure also enjoys athletics as well as playing handball and table tennis.

多梅尼科·曼库索是都灵的一位哲学家兼数学教师，曾参加2022年和2024年国际数学竞赛世界锦标赛（MCWC），并四次夺得意大利全国冠军。此外，他还参与数学竞赛活动，并两度代表意大利参加国际数学竞赛锦标赛（Championnats Internationaux de Jeux Mathématiques）。目前多梅尼科正在攻读历史学研究生学位，以深化其拉丁文古籍考证领域的专业素养。
多梅尼科在计算联盟的前两个赛季以及2024年心算世界杯中均获得第八名。

Kamil Kotowicz is a Polish mental calculator who finished 9th in Seasons 2 & 3 of Calculation League. Having had an interest in mental calculation for many years, Kamil became more serious about mental calculation through the Art of Memory forum. Preferring non-standard tasks that often emphasize quantitative reasoning or the application of mathematical principles, Kamil coded his own custom trainer to practice mental calculation.
Kamil holds degrees in mathematics and computer science (masters degree) and was a competitive computer programmer in Codeforces. He currently works as a hybrid data scientist/data engineer.

弗雷迪斯·雷耶斯是一位经验丰富的古巴心算选手，现居德国。他七次参加世界心算锦标赛（MCWC），六次跻身总成绩前十三名。弗雷迪斯两度在乘法项目摘得奖牌，并于2012年同时在世界心算锦标赛和世界记忆锦标赛（Memoriad）的乘法项目中夺冠。

斯蒂芬妮是哈佛大学的一名华裔学生，目前正在攻读生物医学信息学研究生学位。2016年，斯蒂芬妮参加了Memoriad竞赛，在分组赛中获得银牌。
来自加利福尼亚的斯蒂芬妮曾是美籍华人珠心算协会成员，三度荣膺世界城市杯总冠军，三度摘得世界珠心算协会竞赛金牌，并斩获台湾商会国际竞赛总冠军。