noun
Wasei-eigo from English 'presentator'; used for someone who presents something, such as a TV host or a person giving a presentation.
wasei-eigo (Japanese-coined English), from presentator
彼はテレビ番組のプレゼンテーターとして活躍している。
He is active as a presenter on a TV program.
プレゼンター is a more common loanword for 'presenter', while プレゼンテーター is a wasei-eigo variant with a similar meaning.
Wasei-eigo derived from English 'presentator', which is not a standard English word.