| Born | March 25, 2000 Toronto, ON, Canada | ||||||||||||||||||||||||||||
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| Height | 6 ft 4 in (193 cm) | ||||||||||||||||||||||||||||
| Weight | 243 lb (110 kg) | ||||||||||||||||||||||||||||
| School | St. George's School (Vancouver) Whitgift School | ||||||||||||||||||||||||||||
| University | Oxford University | ||||||||||||||||||||||||||||
| Rugby union career | |||||||||||||||||||||||||||||
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Piers von Dadelszen (born March 25, 2000) is a Canadian professional rugby union player and entrepreneur.
Born in Toronto, Ontario, and brought up in Vancouver, British Columbia, von Dadelszen began his rugby career at Meraloma Rugby Club and St. George's School (Vancouver), Vancouver, and was a Canadian provincial and national under-age representative. He was educated initially at St. George's School (Vancouver) and, in England, at Whitgift School. He continued his studies at the University of Oxford and gained three Blues while playing for Oxford University RFC, as a back-rower and lock.
After completing his master's degree in engineering, von Dadelszen was signed by Major League Rugby team, the New England Free Jacks, for the 2024 season. [1] [2] He would make 33 appearances for the club between 2024 and 2025, scoring 2 tries, and winning both the 2024 and 2025 MLR championship.
In 2022, von Dadelszen was capped for Canada in matches against Spain and Namibia. He made a further two appearances in 2023, against Tonga in Nukuʻalofa. [3]
In 2025, he started in the tests against Belgium (Man of the Match), Spain, the USA, Japan, Fiji, Tonga, Romania (1 try), Georgia, and Portugal. The victory against the USA resulted in Canada national rugby union team qualifying for the 2027 Men's Rugby World Cup.