陳銘泰是香港男子田徑運動員，專長跳遠，自2013年起多次刷新香港男子跳遠紀錄，亦為現時香港紀錄保持者（8.12米）。
除了成為首位突破8米成績的香港s跳遠選手外，陳銘泰也是第二位參加奧運跳遠項目的香港代表。 

2013年陳銘泰還就讀中學，一次學界比賽跳出打破塵封27年的香港紀錄，同年，陳銘泰開始在香港體育學院接受訓練，展開了「8米計劃」。全職訓練之餘，陳銘泰同時兼顧於香港大學工商管理學學士(會計及財務)的學業。
陳銘泰堪稱「運動達人」，自幼學習芭蕾舞、彈牀、短跑和跳遠，最終情歸沙池，

2014年6月在台灣舉行的亞洲青年田徑錦標賽跳出7.70m打破香港紀錄，獲得銀牌。
2014年6月在韓國仁川舉行的亞洲運動會跳出7.73m打破香港紀錄，獲得第5名。
2015年7月於世界大學生運動會跳出7.89m打破香港紀錄，獲得第4名。
2016年2月陳銘泰在卡塔爾多哈舉行的亞洲室內田徑錦標賽中造出7.85米獲得銅牌，終在國際舞台奪得獎牌，在運動生涯上寫下歷史一頁。
2016年5月，陳銘泰實現突破8米的夢想，在香港田徑錦標賽跳出8.12米。最後憑著這成績以外卡參戰奧運，成為52年來首名出戰奧運跳遠項目的港將。
最終陳銘泰於奧運跳出7.79米的成績，30名選手中以第17名完成，僅差6cm便可入決賽。
2017年7月，陳銘泰在印度奧里薩邦布巴內斯瓦舉行的亞洲田徑錦標賽中造出8.03米獲得銀牌。
2017年9月，陳銘泰在土庫曼舉行的亞洲室內暨武術運動會跳出7米44，獲得銅牌。
2018年9月在印尼雅加達舉行的亞洲運動會參加跳遠及4x100m接力，於接力進入決賽獲得第7名。
陳銘泰由2012至2017年一共奪得6次香港業餘田徑總會男子「最佳運動員」，3次青年組及3次公開組。

2021年尾，陳銘泰遠赴法國訓練，跟隨新的法國籍教練，在首個賽季2022年7月跳出8米，長遠劍指2024年巴黎奧運。

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Theophilus Chan Ming Tai is a long jump athlete. He became a full-time athlete in 2015, training at the Hong Kong Sports Institute, and from 2013 to 2016, he broke the Hong Kong record a total of 8 times. At 21 years old in 2016 he jumped a personal best of 8.12m, and participated in his first Olympic Games in Rio de Janeiro.

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Theo Chan started his journey as an athlete in the same way most Hong Kong kids still do, trying everything everywhere all at once. Before focusing on athletics, he tried his hand at ballet, trampoline, badminton, swimming, aquathlon, cross country running, etc. Finally, after enjoying a taste of success despite being the shortest, scrawniest boy at almost all his competitions, Theo settled on the long jump. 

Training with young coach Chan Wai Yin, famous for her tough, no-nonsense attitude and an early attention to developing young athletes’ form and foundational skills, along with Theo’s persistence and commitment, proved to be a winning formula. Theo made great strides in his personal best each year, with the most dramatic improvement of 34 centimetres from 7.30m to 7.64m while also preparing for the HKDSE in his final year as a secondary student.

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This leap paved the way for Theo to become a full-time athlete. In 2013, he embarked on the ambitious ‘8 Meters Project’ with the Hong Kong Sports Institute while continuing his studies at the University of Hong Kong.

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At the 2016 Asian Indoor Championships in Doha he won the bronze medal with a jump of 7.85m. At the 2016 Rio Olympic Games, Theo ranked 17 with the jump of 7.79m, 6cm away from entering the final. He is the second ever Hong Kong long jumper representing Hong Kong. At the 2017 Asian Championships in Bhubaneswar he won the silver medal with a jump of 8.03m. At the 2017 Asian Indoor Games in Ashgabat he won the bronze medal with a jump of 7.44m. At the 2018 Asian Games in Jakarta Indonesia Theo participated in both long jump and 4x100m relay, finished 7th at the final of 4x100m. 

Theo Chan is currently hard at work in Paris, training with a French coach with the ultimate goal of qualifying for the 2024 Paris Olympics.