There's another article here: http://www.readwriteweb.com/enterprise/2010/06/ncwit-report-...
"The NCWIT report contends that 56% of women in technology companies leave their organizations at the mid-level point (10-20 years) in their careers, a costly loss of talent."
Maybe this is just Silicon Valley bias, but I have to wonder about who stays with the same organization for 10-20 years! I would expect most people to have worked at two or three companies by then. I wonder whether they addressed that?