He is currently on the Boards of several private companies including: Aptana (Web 2.0 Cloud Infrastructure); Arcot Systems (Authentication); Centrify (AD Based Identity Management); Coremetrics (Marketing Spend Optimization); Integral Development (FX Trading Systems); Iron Planet (Heavy Equipment Online MarketPlace); NewlineNoosh (Print BPM); Recent private exits include: Counterpane (Security Monitoring and Response) sold to BT; Rapt (Media Inventory Optimization) sold to Microsoft; and Savi Technology (RFID based Supply Chain Management) sold to Lockheed Martin. Prior to co-founding Accel Partners, Arthur was General Partner of Adler & Company. He started in venture capital at Citicorp Venture Capital. At Citicorp, he also managed a fund of publicly traded equities and was on the Equity Committee of Citicorp's Investment Management Group. Previously, Arthur worked in Washington for the International office of the U.S. Treasury Department - International Monetary, Trade and Development Policy. Arthur served as the President of the Western Association of Venture Capitalists and a Director of the National Venture Capital Association. He received an AB and an MBA from Harvard.