Jack McCarthy has retired as chief financial officer of energy major Williams Companies, having served in that position since 1992. The Oklahoma-based firm says it expects to name a replacement for McCarthy in the first quarter of 2003. A spokesman for the company told EPRM the search would include both external and internal candidates. Gary Belitz, Williams’ controller and chief accounting officer, is serving as interim CFO until a permanent replacement is found. “This was not unexpected,” Fred