About Heartwood
The best businesses are
never built alone.
For more than twenty years, we’ve worked side by side helping founder-led businesses navigate growth, complexity, and change.
Heartwood grew from a simple belief: businesses become stronger when experienced leaders think together, challenge one another, and combine strategy with execution.
The Right Partnership
Work with Mary, Lu—or both of us—depending on what your business needs.
The Right Expertise
When needed, we bring in trusted specialists we’ve worked alongside for years.
One Shared Goal
Build a stronger, healthier business that can grow and last.
Meet the Heartwood Leadership Team
Mary Rosenberger
Founder & Strategic Partner
Mary partners with founder-led businesses to strengthen what matters most—strategy, offerings, operations, and leadership—so growth becomes sustainable and the business is rewarding to lead.
“I believe business should improve lives—both the lives of their customers and the people who build them.”
Read More About Mary20+ Years of Partnership
Strategy and execution have always worked side by side.
Lucila (Lu) Lessard
Operational Leadership Partner
Lu turns strategy into results. She leads operational execution, team alignment, and process improvement—building the systems and structure that make growth possible and sustainable.
“Great strategy needs exceptional execution. That’s how vision becomes real, measurable results.”
Read More About LuIntentionally lean. Expansive when needed.
Heartwood is built around senior leadership—not layers of overhead. When a business needs additional expertise, we draw from a trusted network of specialists we’ve worked alongside for years.
Let’s Build Your Heartwood