Casper grew up around Olympiads--both parents are former IOI competitors. He has competed in math, biology, physics, informatics, and linguistics. Math became his anchor in high school after he joined the national team, although he was surprised to enjoy biology practicals as well. He values creative applications of standard results, sharing his favorite problems and an interdisciplinary school project. Outside of academics, he plays tennis and shared about a weekly “skate parade” he has done often in his hometown.

We caught up before he started university (interview edited for length and clarity):