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There's more to an organization than its org chart.

There's often a gap between how an organization is designed to work and how things actually get done.

We've spent our careers working inside organizations and alongside the people leading them. We've seen how much depends on the things that don't appear on an org chart: relationships, trust, competing priorities, and the decisions people make every day.


That's the thinking behind Andes. We bring together organizational design and a practical understanding of people to help organizations work better, not just on paper, but in practice.

A Few Things We've Learned 

The org chart is only part of the story.

Every organization has a formal structure and an informal one. The relationships, unwritten rules, and everyday decisions matter just as much as the reporting lines. Understanding both is where good design begins.

Change has to work in the real world.

A new operating model is only useful if people can actually work within it. That means paying attention to the practical realities of implementation, including what people need to do differently and what might get in their way.

Clarity creates room to move.

Not everything needs another process, policy, or layer of approval. Good design makes it clear who owns what, where decisions belong, and where people need room to figure things out.

Listen to the people closest to the work.

Some of the most useful insights come from the people closest to the work. We take those perspectives seriously, bringing them into the design process rather than presenting a finished solution and hoping it sticks.

The Team

We're a small team of experienced operators and advisors who've spent our careers building, leading, and changing organizations from the inside.

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Our backgrounds span healthcare, technology, international operations, and leadership development. We bring different expertise to the table, but share a practical understanding of what it takes to make organizations work.

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We like complicated problems, thoughtful people, and getting things done.

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Founder & Principal

Jules Siegel-Hawley, MSW

Jules helps organizations make ambitious ideas work in practice. She builds the structures, systems, and shared ways of working that create clarity through growth and change.

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Principal

Olivia Hazy, MSN, CNM, WHNP-BC

Olivia bridges clinical expertise with software and systems strategy. She designs equitable, people-centered systems that help organizations grow with integrity and adapt at scale.

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Principal

Michael Graham Miano, MPH

Mike helps organizations build exceptional leadership teams. He combines executive search, organizational development, and coaching to identify talent, strengthen leadership, and help teams thrive.

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