Who we are
We are
Luminari Partners.
We bring an insider’s understanding of the unique challenges and opportunities that drive organizational success. Founded by seasoned executive Sheila Johnston, our firm combines decades of C-suite experience with hands-on expertise as leaders, volunteers, and industry advocates.
Sheila Johnston
Founder, Chief Executive Officer
Leadership Grounded in Experience.
With decades of executive leadership experience, Sheila Johnston brings a practical, results-oriented approach to helping organizations move strategy forward. She has led mission-driven organizations through complex challenges, aligning vision, operations, and teams to deliver meaningful, measurable outcomes. Known for her clarity, follow-through, and steady leadership, Sheila focuses on ensuring that strategy doesn’t stop at planning but is carried through into the day-to-day work of the organization.