David E. Knebel, age 61, joined AAON in May 2001 as Manager of Technology and Training, before becoming Director of Sales and Technology in December 2002 and Vice President, Sales and Technology, in August 2005. He is responsible for management of AAON's sales force, parts and service departments, and software development in support of product application and selection. From January 2000 to May 2001, Mr. Knebel was Sales Manager for Climatec - New Mexico, where he managed product application and sales for CES Group products, AAON and additional product lines. |