Yes, PRESENTERS is a Scrabble word!

Letter values in Scrabble US: P 3, R 1, E 1, S 1, E 1, N 1, T 1, E 1, R 1, S 1.

Is it a valid word?

PRESENTERS is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

someone who presents a message of some sort (as a petition or an address or a check or a memorial etc.)
an advocate who presents a person (as for an award or a degree or an introduction etc.)
person who makes a gift of property