We evaluate how prior mutual fund working experience affects private fund managers' performance. Using a novel Chinese private fund database from 2012 to 2016, we document significantly lower excess returns and higher left-tail risks for private fund managers with prior mutual fund working experience. Such effect is concentrated in switched managers with lower performance ranks in mutual funds. Additionally, the underperformance is attributable to reduced research support, change in investment styles, and deteriorated market timing skills, while incentive schemes help alleviate such underperformance. Our findings demonstrate the key role of industry-specific human capital in the asset management industry.