Annapurna Labs is Amazon's in-house semiconductor division, designing the AWS Nitro, Graviton and Trainium/Inferentia chip families used across AWS data centers. It was founded in Israel in 2011 by Hrvoje (Billy) Bilic and Nafea Bshara and acquired by Amazon in January 2015, and it is now a wholly owned Amazon subsidiary with R&D sites in Haifa and Tel Aviv.