Partcl
YC X25San Francisco, US · Founded 2025 · 6 employees on LinkedIn · Hiring · 3 known investors
Partcl develops AI-powered chip design software that uses physics models and GPU computing to accelerate the design process for semiconductor engineers.
Also known as AionCAD
Founders & leadership· Y Combinator alumni (X25)
Partcl was founded in 2025 by William Salcedo and Vamshi Balanaga.
WS
William Salcedoin𝕏Co-founder · CEOWilliam Salcedo studied at Cornell and Stanford, where his research focused on AI-based circuit verification. He worked at Nvidia and as an undergraduate designed chips, including work on LLM-assisted chip design.
VB
Vamshi BalanagainCofounder & CTOHe previously worked on embedded machine learning at Apple, robotics engineering at Carbon Robotics and Fulfil Solutions, and led avionics systems at Space Enterprise while a graduate student at Stanford.
Investors · 3
In the news
Frequently asked questions
- What does Partcl do?
- Partcl develops AI-powered chip design software that uses physics models and GPU computing to accelerate the design process for semiconductor engineers.
- Who founded Partcl?
- Partcl was founded by William Salcedo, Vamshi Balanaga in 2025.
- Who are Partcl's investors?
- Partcl's investors include Transpose Platform Management, Y Combinator, 468 Capital.
- Where is Partcl headquartered?
- Partcl is headquartered in San Francisco, US.

