Tim entered the investment industry as a credit analyst for the National Bank of Washington in 1979. After two years, he moved to Harris Trust as a currency trader.
For the next 17 years, Tim held various currency related positions at First National Bank of Chicago, Chicago Research & Trading, and Bank One. These positions included trader, portfolio manager, and risk manager.
Tim joined CastleArk in 2002 as a research analyst on the Energy team. Tim is the brother of Ed Clark.