Driven by purpose
Guided by curiosity
Defined by results
We create ripples of impact by working with purposeful clients committed to what matters most – results
Our Approach
At The Colby Group, our work is rooted in a simple belief: purpose, curiosity, and commitment drive results that matter. Drawing on decades of experience as founders, C-Suite leaders, and coaches we partner with leaders and teams to unlock potential, strengthen systems, and create lasting impact.
We combine strategic insight with practical experience, helping clients navigate complexity with clarity and conviction. Whether through consulting, coaching, philanthropic advising, or fractional leadership, we work alongside purposeful leaders to align vision with action and turn insight into measurable, lasting results.
Meet Our Team
Liz McCartney, Principal
Zack Rosenburg, ESQ., Principal
Our Services
From coaching individuals and teams to advising global foundations and helping organizations increase impact, our work is grounded in purpose, curiosity, and a commitment to results that last.
Coaching
We partner with accomplished professionals navigating major transitions and new chapters of leadership. Our coaching turns reflection into clarity, confidence, and purposeful growth that extends far beyond the individual.
Consulting
We help mission-driven teams and boards translate purpose into performance. Together, we design strategy, systems, and culture that build clarity, strengthen connection, and increase capacity to deliver results that last.
Philanthropic Advising
We help foundations, corporate donors, and high-net-worth families integrate purpose and performance. Through a deep understanding of values and objectives, our work brings strategic clarity, strengthens partnerships, and elevates how clients communicate authentic stories that inspire others to act.
Fractional Engagements
We provide experienced, hands-on leadership for organizations that need extra capacity to move critical work forward. Our fractional roles bring focus, stability, and strategic momentum—bridging the gap between vision and execution.
Services
Coaching
Consulting
Philanthropic Advising
Fractional Engagements