Brian Rumao is a venture capital investor at Next Play Ventures who spent over six years as Chief of Staff to LinkedIn's CEO Jeff Weiner, where he ran company strategy, operating rhythm, and the Microsoft acquisition integration—experience he now uses to help founders build operating systems beyond just products. He created one of the most widely-used guides on chief of staff roles and a LinkedIn Learning course on the topic, while also holding patents on LinkedIn's AutoFill feature and workforce skill gap analysis, giving him an unusual combination of operational depth and product/data expertise that he applies to coaching founders. Brian Rumao is a venture capital investor at Next Play Ventures who spent over six years as Chief of Staff to LinkedIn's CEO Jeff Weiner, where he ran company strategy, operating rhythm, and the Microsoft acquisition integration—experience he now uses to help founders build operating systems beyond just products. He created one of the most widely-used guides on chief of staff roles and a LinkedIn Learning course on the topic, while also holding patents on LinkedIn's AutoFill feature and workforce skill gap analysis, giving him an unusual combination of operational depth and product/data expertise that he applies to coaching founders.