Prof. Skinner serves as an independent trustee and chair of the audit committee of Harbor Funds, Harbor Funds II, and Harbor ETF Trust, a mutual fund and ETF complex based in Chicago.  From time to time Prof. Skinner provides litigation-related consulting services as a financial economist, accounting, and disclosure expert in complex securities, tax, and valuation-related matters, usually working in conjunction with Cornerstone Research with whom he is an affiliated expert.