Chiesa has fair skin and brunette hair with a strand in the front. He has thick eyebrows and brown eyes. His thin lips are noticeable. Chiesa is normally depicted wearing a long-sleeved variant of his jersey.
Not much is known about his personality.
Chiesa signed from Fiorentina to Ronventus in 2020 on loan. He made his only speaking role in 442oons on the video "Ballon d'Or 2021 - The Nominations! Footballers React..." (timeframe 0:50).
He is the son of former football player Enrico Chiesa, who also played Fiorentina during his playing career.