Is “Machers” a Scrabble word?

1.An important person, often in the negative sense of self-important; a bigwig

“2005: An ordinary man doesn’t jump the Snake River Canyon / with nothing underneath his ass / but a two-wheeled, fin-stabilised X-1 Skycycle / and a seven-figure guarantee from some macher in LA. — August Kleinzahler, in 'A Valentine’s: Regarding the Impractibility of Our Love', London Review of Books, Vol. 27 No.20, 20 October 2005, page 6.”