[5] He previously entered St. Ursula School Bumi Serpong Damai before moving to France in 2021.
Lionel began his career with an academy in Indonesia called FIFA Farmel, where he played between 2020 and 2021.
[6] In September 2021, Sinathrya moved on his own to Paris, France, to enrol at the International Center of European Football (ICEF), a boarding school for budding footballers,[2][7] which then partnered and changed its name to the Paris Saint-Germain Academy Pro.
[9] Sinathrya himself was quoted as saying "I really want to enter the TC (training center), get into the national team squad for the U-17 World Cup and defend the country".
So, after passing the regional selection, He was included in the list of 50 players who were again screened by Bima Sakti to enter the U-17 Indonesian National Team, but failed to qualify for the next stage.