Alex (Zongyu) Yin is Co-Founder and CTO at Sonilo, a Silicon Valley-based generative audio AI startup that creates music and sound effects synced to video content.

Alex earned a PhD in Artificial Intelligence and a MEng in Computer Science from the University of York, before building deep expertise as a Research Scientist at ByteDance and TikTok, where he worked on multimodal AI technology alongside Sonilo's CEO.

Alex describes himself as someone who builds generative systems for music, reflecting his rare combination of academic rigor in computer music and applied industry experience in large-scale AI platforms.

Prior to Sonilo, Alex held Research Scientist and Technical Lead roles at ByteDance, TikTok, and Mureka, accumulating years of hands-on work in music AI and deep learning research with published academic contributions.

Sonilo has raised $11 million in a seed round led by B Capital with Redpoint participating, secured a landmark licensing partnership with Shutterstock, and showcased its Sound World Model at the 2026 Venice International Film Festival.