David Lyon serves as the Chair of Vistage Colorado, where he coaches CEOs and business owners. In this role, he leads confidential peer advisory boards designed to accelerate strategic clarity, leadership growth, and enterprise value. Vistage groups consist of 12–15 leaders from non-competing industries who meet monthly to pressure-test decisions, identify blind spots, and support bold execution.

Throughout his career, Lyon has worked with industry-defining people, teams, and organizations.