Pepper Johnson.
No. Harry does not run Hogwarts. McGongall serves as Head. Who took over after her is unknown.
Micheal Gambon took over the role from the third movie, Harry Potter and the Prisoner of Azkaban, after Richard Harris' death.
He only took her post nineteen years after his seventh year. It is quite possible that she retired before Neville took her post.
because aliens took over the WORLD!!
Jay Leno replaced Johnny Carson as host of The Tonight Show in 1992, after having been a regular substitute host for Carson since 1987
Brian Griese.Elway retired after the 1998 season. Brian Griese was a 3rd round draft choice of the Broncos in 1998 and took over as starter in 1999 with Bubby Brister and Chris Miller as backups.
On April 11, 1961 Yaz took over in left field for the retired Ted Williams.
Fudge wasn't killed, he was sacked because of the lying about Voldemort returning. Rufus Scrimgeour who was head of the auror office took over.
He is a retired player. He retired on 14 november 2013 from cricket.
Slughorn was still the potions master in Harry Potter and the Deathly Hallows
Harry Potter had the outline of "I must not tell lies" on his hand. He was forced to write this line over and over by Professor Umbridge who made him use a quill that took his own blood for ink.
Thestrals took Harry and his friends to London in book 5