Why Is The Number Of Female CEOs Declining? Nancy Koehn, October 3, 2018, Audio, “Earlier this week, California Governor Jerry Brown signed a bill into law making his state the first in the nation to require the boards of publicly traded companies to include women. The moves comes as, nationwide, the number of women in top corporate leadership positions is on the decline. The number of female CEOs of Fortune 500 companies declined by 25 percent this year.Link