[2] He attended Ahmad al-Shaqiri School and received a bachelor's degree in physical education from Al-Aqsa University.

Qusaya was a member of the Palestinian national volleyball team.

[3] He won a bronze medal in the 2021 West Asian Beach Soccer Championship.

[1][3] Together with Abdallah Al-Arqan he represented Palestine in the men’s beach volleyball event at the 2023 Asian Games in Ningbo, China.

[3] On 14 November 2023, he was killed in an Israeli airstrike on Jabalia refugee camp alongside teammate Hassan Zuaiter.