Randy Sabiston has been named as MD for North America, overseeing operations in the company's two offices in New York and Los Angeles.
He was previously SVP of creative at music publisher S1 Songs America. Before that, he worked at companies including Warner/Chappell, Polygram/Island Music Publishing and EMI Music Publishing.
PledgeMusic founder and CEO Benji Rogers said, "We are truly excited to bring Randy onboard to head up our PledgeMusic team in the US.
"His enthusiasm for what we do was evident from our first meetings and I have no doubt with his track record and experience that he will augment and build on what we see as our first real steps into our already growing North American presence."