Ex-employee files class action lawsuit against Rothenberg Ventures The ex-chief of staff at Rothenberg Ventures filed a class-action lawsuit alleging that her former companyroutinely failed to paycontract workers their final paycheck and didn't pay overtime wages to hourly employees. Rothenberg Ventures has been embroiled in controversy, including compensation paid and a loan made to founder Mike Rothenberg. The company has rebranded itself as Frontier Tech Ventures.(TechCrunch)