Leading Women connects you to extraordinary women of our time. Each month, we meet two women at the top of their field, exploring their careers, lives and ideas.
(CNN) -- As the CEO of Guardian Life Insurance, Deanna Mulligan has joined a small but powerful group of female business executives on the Fortune 500 list.
She talks to "Leading Women" about life at the helm of the 150-year-old insurance giant and how opportunities for female professionals are growing day by day.
With women only holding 4.2% of Fortune 500 CEO positions, CNN takes a look at the pearls of wisdom shared by some of the world's leading businesswomen on getting to the top -- and staying there.
Lauren Said-Moorhouse contributed to this report.