About

Senior advisory, built around how people actually work.

L3C Advisory is a boutique practice. We work with leaders and teams during pivotal periods of change, when direction is clear enough but the organization is not yet moving together.

Work that matters.
People at the center.
Results that last.
I have spent three decades inside transformations, and the technology almost always works. What stalls is people: competing priorities, decisions that never quite get made, teams reading the same direction three different ways. That is the work I love. And I do it alongside your people, not from the edge.
Rose Hastreiter
Founder & Principal Advisor

Rose Hastreiter is the founder and principal advisor of L3C Advisory. Her career spans digital transformation, organizational change, leadership development, and capability building across public, private, and academic environments.

She works at the intersection that most firms split apart: the mechanics of how complex work actually gets delivered, and the human performance that determines whether it does. That combination is why L3C is brought in when a programme is technically sound but organizationally stuck.

L3C operates as a small senior team, drawing on a trusted network of specialists when the work requires expertise beyond our own. Engagements are deliberately bounded and designed to leave the organization more capable than we found it.

Work that matters

We take on work where the outcome genuinely matters to the organization and the people in it.

People at the center

Strategy moves when people can decide, communicate, and coordinate. That is where we focus.

Results that last

We measure ourselves by what your team can do after we leave.

Three decades

across transformation, leadership & capability

30+

organizations & institutions served

Senior-led

every engagement, start to finish

North America · Europe · International

remote-first, in person where it matters

Let's
talk.

We take on a selected number of engagements each quarter. If the timing matters to you, start the conversation early.