"Acumen and Unilever have partnered to bring a gender lens to impact measurement with a new toolkit designed to better understand how programs and services are affecting women and girls across the globe. Created with Acumen's Lean Data team, the toolkit, A Lean Data How-to Guide: Understanding Gender Impact, delves into the work of five different programs within Acumen's portfolio and Unilever's initiatives to develop a new, highly effective framework that entrepreneurs, impact investors, corporations, donors and philanthropists can use to measure their impact on women and girls."