Wikipedia
LeanIn.Org (also known as Lean In Foundation) is a 501(c)(3) nonprofit organization founded by Facebook COO Sheryl Sandberg in 2013 dedicated "to offering women the ongoing inspiration and support to help them achieve their goals." The organization desires to support women in three main ways: community, education, and circles, or small, coordinated peer groups that meet to share their experiences and learn together. Launched after the release of Sandberg's bestselling book, Lean In: Women, Work and the Will to Lead, the organization views itself as the next step in an effort to change "the conversation from what we can’t do to what we can do." Since its launch, over 380,000 women and men have joined the Lean In community, creating 27,000 Lean In Circles in over 131 countries to date.
The organization is also responsible for annual national campaigns such as #BanBossy and #LeanInTogether, which were designed to accomplish Lean In's goals and establish partnerships. The Lean In Foundation also develops an annual Women in the Workplace Survey in conjunction with McKinsey & Company, which examines female leadership and diversity management across organizations in corporate America.