PROVIDENCE, R.I.--(BUSINESS WIRE)--Providence Strategic Growth Capital Partners L.L.C. (“PSG”), an affiliate of Providence Equity Partners L.L.C., a premier global asset management firm with approximately $60 billion in assets under management, today announced that Bill Aliber and Brian Shin have joined the firm as managing directors. “Bill and Brian’s considerable experience with software and technology-enabled service companies make them an ideal fit for PSG,” said Mark Hastings, Chief Execut.