Clarke, who had previously served as chief financial officer at Compaq, moved into a new role as HP's supply chain chief late last year. The company declined to comment on the circumstances of Clarke's departure, other than to say in a statement that the resignation was "mutually agreed to" and "appropriate."
During his time spearheading one of thein the history of the computer industry, Clarke was credited with helping HP accelerate its schedule by years.
The company originally planned to cut $2.5 billion in expenses by fiscal 2004, but ultimately said it decreased expenses by $3 billion before the end of fiscal 2003. Most recently, Clarke pledged to reduce expenses by a further $1 billion.
In a telephone interview with CNET News.com on Tuesday, Clarke said that he hopes to land a spot as chief financial officer of a company. "I plan on pursuing CFO and even some CEO opportunities," he said.
"The job I want is not available (at HP)," Clarke said. "Bob's a great CFO."
Several other top-ranking HP executives closely involved in the merger have also left the company recently or are planning to leave. Webb McKinney, a longtime HP leader who co-led the merger-integration effort with Clarke, said last month that hebefore the end of the year.
Susan Bowick, the human resources executive who helped blend the two companies' work forces, announcedin November. Also resigning were and Compaq's former server executive, .
HP also confirmed Tuesday that Suzette Stephens, vice president of communications, has left the company. Stephens said Tuesday that she left for "personal reasons."
CNET News.com's Dawn Kawamoto contributed to this report.