Partnering with leaders and teams across organizations to transform the people and culture experience.

  • Coaching

  • Consulting

  • Facilitating

  • Speaking

  • Writing




Copyright MMXXV. Scale Excellence. All Rights Reserved.

 
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Diane Bailey-Boulet, ACC

Leadership Coach | Author | Speaker

My purpose is simple—and deeply personal: to champion opportunity for all.

As a certified coach and founder of Scale Excellence LLC, I partner with leaders, teams, and especially First-Generation professionals who are breaking new ground in their careers and organizations.

My coaching is grounded in more than two decades of leadership experience in corporate and nonprofit advancement, where I served as Vice President of Strategy and Client Success and Vice President of Client Solutions. In these roles, I led cross-functional teams, partnered with mission-driven organizations, and built talent strategies that supported growth, inclusion, and innovation.

I understand the real dynamics that shape professional cultures—from unspoken workplace norms to structural barriers—and I help my clients navigate them with clarity, confidence, and authenticity.

My clients come from a wide range of backgrounds and industries. Each brings unique strengths, challenges, and aspirations to the process. Together, we focus on expanding their growth, amplifying their impact, and helping them lead with authenticity.

I also bring a personal story to this mission. My book, Poverty to Possibility: Snapshots from a Yorkshire Boyhood, is a memoir inspired by my father’s journey—from a childhood of poverty in a Yorkshire, England mining village to becoming a Harvard doctor and U.S. Navy captain. His story is a testament to what can happen when we believe in, encourage, and invest in underrepresented talent.

It’s why I do what I do—and why I believe that being the “first” is not a disadvantage, but a superpower.

Copyright 2025. Scale Excellence LLC. All Rights Reserved.

Contact

E: diane@scaleExcellence.com

 

Copyright 2025. Scale Excellence LLC. All Rights Reserved.

WHAT CLIENTS ARE SAYING

Diane is excellent at building and maintaining relationships. This makes her very effective at understanding client needs so that she can deliver the best, high-quality product.”

Senior Organizational Development & Inclusion Learning Leader, “Big Four” Professional Services Firm

Diane is expert at aligning purpose and values with impact; and she coaches with such deep skill, good humor and compassion. She's kept me on track, while also honoring the fruits of the occasional zig-zag. It's been nothing short of an extraordinary journey to be on with her. I'm filled with optimism and energy after each of our sessions.”

Coaching Client, Founder and CEO, Sustainability Non-Profit

Diane's super strength is her ability to put people at ease and build trust. Her credibility and trusted partner status then enables her to really push for alignment, rethinking the status quo, and building consensus. The environment of trust that she fosters enables people to bring their whole selves to the table, which ultimately drove to a higher quality of work.”

Learning & Development Business Partner, Fortune 50 Company

 
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