The Special Assets Officer I position has a primary responsibility for management of troubled commercial loans, to better secure with collateral, equity, or other assets of the borrower, and other activities designed to preserve the loan principal, gather interest as possible, and prevent the loan from being charged off. BOK Financial, Headquartered in Tulsa, Oklahoma, BOK Financial Corporation (NASDAQ: BOKF) is a top U.S.-based financial services holding company with operations in Oklahoma, Texas, Arizona, Arkansas, Colorado, Kansas, Missouri, Tennessee and New Mexico.