publication date: Friday, June 9, 2017 (part of Summer 2017)

category: Business

clue: Becoming a young widow with two kids might have made for some lean years if this Silicon Valley COO wasn't worth over a billion dollars.

explanation: Sandberg, COO of Facebook, was noted for her book Lean In about the need for female leaders in business and government and her role in creating the Lean In Foundation. She has written extensively about her struggles to cope with her husband's sudden death in 2015. more…

intended difficulty: medium

solved by: Russ Wilhelm, Steve West, LaVonne Lemler, Samir Mehta, Chris Lemler, Richard Slominsky, Justin Woods, Matthew Preston, Joanna Woods, Jesse King, and Elaine Beckland


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