Chief Executive Officer
Lucas M. Davis
MEd, CAE, ACC, SHRM-SCP, SPHR, ICE-CCP

Lucas M. Davis (Luke), MEd, CAE, ACC, SHRM-SCP, SPHR, ICE-CCP, is the Chief Executive Officer (CEO) of Sigma Nursing, where he leads a global community of nurses dedicated to advancing healthcare and strengthening the professional worldwide. His leadership centers on people, process, and progress.
Before joining Sigma, Luke served in senior leadership roles across association management and talent development, where he led organizational transformation, strengthened systems, and built high-performing teams. His background as a certified coach informs his people-centered, growth-oriented approach to leadership.
At Sigma, he is committed to strengthening leadership development, expanding global partnerships, and increasing the visibility and influence of nurses. A mission-driven and values-grounded leader, Luke serves as an intentional partner to nurses—championing their expertise and ensuring their voices shape the conversations that matter most in global health.
He leads with a passion for potential, helping individuals, organizations, and the profession reach their highest level of impact.