I was tempted to intro Scott as “Scott Alexander (Slate Star Codex, Astral Codex Ten, occasional EA forum poster)”
Typically you introduce people with their most impressive credential, so I would just say:
Scott, who designed the rule-set for Dungeons and Discourse, …
I was tempted to intro Scott as “Scott Alexander (Slate Star Codex, Astral Codex Ten, occasional EA forum poster)”
Typically you introduce people with their most impressive credential, so I would just say: