I just ran the numbers, and you should know that if you've see three five-person manels (all-male panels) in a row, you've witnessed something that should be less likely than getting struck by lightning. If you're a guy, think about that for a bit, then ask yourself what you should be doing.
Here, you can check my math:
http://aanandprasad.com/diversity-calculator/?groupName=women&numSpeakers=5&populationPercentage=50
