Sasha is a contributor to stable trees, the maintainer of the 4.1 LTS tree, and has previously maintained 3.18 LTS. Sasha is also the maintainer of liblockdep, a userspace lockdep library.

Sasha is currently employed by Microsoft where he helps make Linux run better on Windows. Previously, Sasha was employed by Verizon Labs, and the Ksplice team in Oracle.