Andy Grove at Intel created this OKR Framework Online Template and taught it to John Doerr. Many companies, including Google, Allbirds, Apartment Therapy, Netflix, and inspiring nonprofits like Code for America, have adopted them since then. John Doerr discusses MBOs, or Management by Objectives, in his book Measure What Matters. MBOs were created by Peter Drucker and served as the foundation for Andy Grove's eventual theory of OKRs. You can create this OKR Framework Online Template diagram with EdrawMax online to get started.
