Nehemiah was a Jewish official who served as cupbearer to the Persian king Artaxerxes and led the rebuilding of the walls of Jerusalem, recorded in the book that bears his name.
Nehemiah 1:1 in the King James Version reads:
The words of Nehemiah the son of Hachaliah. And it came to pass in the month Chisleu, in the twentieth year, as I was in Shushan the palace,
The verse opens the book of Nehemiah with a first-person heading. Read it in context at Nehemiah 1:1, or the full chapter at Nehemiah 1. Encyclopedia entry: en.wikipedia.org/wiki/Nehemiah.