sebmarkbage and sebmck are different people. sebmarkbage is one of the architects of React and a TC39 member. He's known for the Fiber architecture, among oth

sebmarkbage and sebmck are different people. sebmarkbage is one of the architects of React and a TC39 member. He's known for the Fiber architecture, among other things. sebmck/kittens wrote 6to5 as a teenager in Australia, eventually landed a job doing JS infra at Facebook, and now works at Discord. He's a founder Babel, Lerna, Yarn, and now Rome.