Option B

Sheryl Sandberg (Author)
SHERYL SANDBERG is chief operating officer at Facebook and international best-selling author of Lean In: Women, Work, and the Will to Lead. Prior to Facebook, she was vice president of Global Online Sales and Operations at Google. She previously served as chief of staff for the United States Treasury Department and began her career as an economist with the World Bank. She received B.A. and M.B.A. degrees from Harvard University. Sandberg serves on the boards of Facebook, The Walt Disney Company, Survey Monkey, ONE, and Women for Women International, and chairs the board of LeanIn.Org.

Adam Grant (Author)
ADAM GRANT is a psychologist and Wharton¿s top-rated professor. As theNew York Timesbest-selling author ofOriginals and Give and Take, he is a leading expert on how we can find motivation and meaning, and live more generous and creative lives. He has been recognized as one of the world¿s twenty-five most influential management thinkers and received distinguished scholarly achievement awards from the American Psychological Association and the National Science Foundation. He serves as a contributing op-ed writer for The New York Times. Grant earned his B.A. from Harvard University and his Ph.D. from the University of Michigan.