The responsibilities of private fund managers mainly include: First, they are responsible for the investment management of private funds, including studying the market, analyzing investment opportunities, organizing investment decisions, implementing investment strategies, and monitoring investment performance; The second is to be responsible for the fund management of private equity funds, including raising funds, managing funds and reporting the use of funds; The third is to be responsible for the risk management of private equity funds, including identifying investment risks, analyzing investment risks and controlling investment risks; The fourth is to be responsible for the customer service of private equity funds, including receiving customers, answering customers' questions and providing investment advice.