I'd like to nominate @antsmartian to be a Collaborator. They've done a solid chunk of useful work and have been an active and positive presence in the issue tracker.

Commits: https://github.com/nodejs/node/commits?author=antsmartian
Open PRs: https://github.com/nodejs/node/pulls/antsmartian