One former Apollo executive couldn't wrap his mind around how the firm got investors onboard with Harris' personal activities. One advisor to Harris' family office said there would be an internal conversation every year to ensure the proper expense allocations. Several former Apollo employees, however, said other Apollo executives were concerned about Harris' use of firm resources. Few if any sources Insider spoke with expected much to change in how private-equity executives managed their personal investments. The lawyer said that the documents often state that a firm's executives will dedicate "as much time as reasonably necessary" to managing their investments.

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