Business people

Mill Creek Lumber & Supply Co. has named James J. “Jim” Cavanaugh president of operations in Oklahoma and Kansas and Steven K. (“Steve”) Slater Oklahoma City regional manager. Cavanaugh has more than 35 years of experience in the lumber and building materials industry. Slater also has extensive experience in the industry.

American Immigration Lawyers Association has elected T. Douglas Stump as the association's president-elect. He is an immigration lawyer with Stump & Associates in Oklahoma City.

BOK Financial Corp. promotes Yasha Matthews, Allen Curry and Tiffinee Ehtisham to vice president, operations manager V. Matthews has been with Bank of Oklahoma since January 2006, Curry since March 2004 and Ehtisham since July 1995. Also, Karen Kreger was promoted to senior vice president and chief financial officer with BOSC Inc. Kreger has been with BOK since July 1995.

First Fidelity Bank names Keith Siess a mortgage account executive at the bank in Moore. Siess has more than 18 years of experience in lending.