Swimming for the Cavaliers, Kaeser achieved multiple NCAA All-American honors. He is the current UVa school record holder in the 100 breaststroke with a time of 52.47 and in the 200 breaststroke with a time of 1:53.41. He continues to swim internationally for the Swiss National Team. Most recently, Kaeser competed in European Long Course Championship held in Glasgow in 2018. He competed in 100 breaststroke, finishing 22nd with time of 1:01.08. He placed 21st in the 200 breast with a time of 2:13.66. On the last day of the competition, Yannick placed 30th, swimming a 28.28.
