Our Story
Inspired by the power of place to shape connection, The Ivy and Stone Collective was created to bring purpose and community together.
At The Ivy and Stone Collective, Frédérique Tsai-Klassen and Leanne Moussa combine policy insight, community spirit, and hospitality to turn gatherings into purposeful experiences. Together, they form the driving force behind the Collective. With complementary expertise in politics, public affairs, leadership coaching, stakeholder engagement, and community-building, they bring both strategic insight and entrepreneurial spirit to Ottawa’s professional landscape. Their partnership blends Frédérique’s deep experience in public affairs with Leanne’s vision and championing of historic spaces, offering clients a unique combination of place, purpose, and strategy.
Rooted in purpose.
Designed for connection.
OUR TEAM
Leanne Moussa is a community builder, entrepreneur, and stakeholder consultation specialist. She has mobilized investors to purchase and re-purpose multiple historic buildings, collectively worth nearly $10 million. As Managing Partner of allsaints, she has transformed a historic church in Sandy Hill into a vibrant hub for dining, events, and public life. She is also the founder and principal of Mayet Strategic Consulting, where she advises clients on adaptive re-use of heritage buildings, community revitalization and hospitality. Known for bringing people and ideas together, she has led projects that mobilize stakeholders, and create places where culture and connection thrive. Her work at allsaints anchors the Collective in Ottawa’s heritage while shaping a welcoming, purpose-driven space for dialogue and collaboration.
Leanne Moussa
Frédérique Tsai-Klassen is a seasoned leader with 30 years of experience in politics, government, and business. She has advised senior leaders, built teams, and shaped public policy across domestic and global issues, from crisis management to stakeholder engagement. As Founder of The Iron Network, she brings expertise in communications, strategy, and leadership coaching to help people and organizations navigate complexity and deliver results with clarity and purpose. Her entrepreneurial chapter as co-founder of Ottawa’s Das Lokal restaurant grounds her strategic thinking in hospitality and community building, making her a driving force behind the Collective’s vision to fuse place and purpose.
Frédérique Tsai-Klassen
Your gathering starts here—let’s make it unforgettable
Whether you’re planning a board meeting, leadership retreat, or team workshop, we’ll help you design a gathering that aligns place and purpose.
Connect with us.

