Rihaku
The Internet
IIRC, he made it to both Chunin and Jounin fairly late, but hit Essie within a year of making Jounin.
So I suspect his genius was the "can invent minatosealing" kind, not the "join ANBU at age 9" kind.
That implies a very promising time-to-hiraishin after acquisition of the Minatosealing stunt, then! The primary mechanical question would be whether Minatosealing uses the paper sealing stat (privileging SSA) or its own stat (and thus DoB)…