Preserving What You’ve Built, Powering What’s Next.
Mosaic is a people-first, data-driven residential window and door replacement company that's redefining the industry standard.
Our mission is to unite the strongest brands, build exceptional businesses, and brighten homeowners’ lives – one window and door at a time.
What We Stand For
1. We Are Customer-Driven:
We stay close to our customers and act with urgency. We focus on what truly makes a difference for them.
2. We Are Authentic:
We speak the truth with respect. We challenge directly, listen deeply, and care enough to be honest, even when it’s hard.
3. We Are Accountable:
We take full responsibility for our actions, outcomes, and impact. We show up, follow through, and own the result.
4. We Are Collaborative:
We trust, support, and push each other to be better. No egos, no silos. We win and grow as one team.
5. We Have a Growth Mindset:
We’re here to stretch, learn, and evolve. We embrace feedback, take smart risks, and move forward with curiosity.
6. We Are People-First:
We lead with empathy and put our people at the center. We invest in talent, well-being, and building an environment where people thrive.
7. We Have a Will to Win:
We set the bar high and bring grit, energy, and resilience to everything we do. We celebrate progress and never settle.
The Mosaic Team
At Mosaic, leadership starts with partnership. We believe in building lasting relationships with shared values and visions for growth.
Josh Feinberg
Chief Executive Officer
Brian Willis
Head of M&A
Sean Gillick
Chief Financial Officer
Abhinav Ramani
SVP, Operational Excellence
Our team combines decades of experience in operations, investing, and business transformation. Grounded in our PeopleFirst philosophy, we take a hands-on and founder-focused approach, partnering with business leaders to unlock growth, honor their legacy, and build companies that stand the test of time.