GreenStack’s mobile app helps consumers stretch their budgets by ‘stacking’ deals
A Q&A with GreenStack co-founder and CEO David Hehman. The San Francisco–based company was founded in late 2011 and launched its mobile app...
A Q&A with GreenStack co-founder and CEO David Hehman. The San Francisco–based company was founded in late 2011 and launched its mobile app...