I'd like to nominate @shisama as a Collaborator. With 30 commits and consistent engagement in Node.js core, this should probably have happened a while ago :)

Commits: https://github.com/nodejs/node/commits?author=shisama
Comments: https://github.com/nodejs/node/search?q=commenter%3Ashisama&type=Issues