Susan O’Sullivan is an executive coach and former senior sales leader with over 30 years of experience leading high-performing teams and driving billions in revenue across complex, competitive markets. Her career spans from front-line sales to serving as Vice President of U.S. Sales, where she not only delivered exceptional business results but also led national DE&I initiatives. Known for her ability to unify diverse global teams and inspire excellence, Susan brings a strategic yet deeply human approach to leadership—rooted in real-world experience and a passion for developing others.

Today at Cphere, Susan partners with executives and emerging leaders to unlock their full potential, elevate team performance, and lead with clarity and confidence. Drawing from a career of building and mentoring top-tier sales organizations, she helps clients navigate pivotal transitions, strengthen client relationships, and foster cultures of accountability and growth. With a keen understanding of what it takes to succeed in high-stakes environments, Susan is a trusted guide for leaders ready to grow beyond their current limits.