Bias made his professional debut for RB Leipzig on 2 August 2018, coming on as a substitute in the 64th minute for Ibrahima Konaté in the UEFA Europa League qualifying match against Swedish club Häcken of the Allsvenskan.
[5] Bias joined Slovak Fortuna Liga club FC Nitra in late January 2021.
[6] Bias was born to a German father and a Filipina mother which made him eligible to represent either Germany or Philippines at international level.
Bias accepted a call-up to the Philippines national team in May 2021 for the 2022 FIFA World Cup qualifiers.
[8][9] He captained the Philippines U23 team at the 2022 AFC U-23 Asian Cup qualifiers; they finished last in their group with a winless campaign.