Bernhard "bero" Rosenkränzer is the toolchain maintainer of both Oniro (the Eclipse Foundation's Embedded operating system that can use Linux, Zephyr and LiteOS as underlying kernels) and OpenMandriva (a community developed Linux distribution focusing on desktop, server and higher end mobile devices). His work on both projects involves keeping track of both LLVM and GCC based toolchains.

He has been a Linux/Open Source developer since the mid-1990s.