Karen Ornstein — Co-Founder, Head of Sales & Strategic Growth
Guides RIENNE’s market expansion, brand partnerships, and portfolio development with over two decades of experience in brand leadership and high-touch commerce.
Mark Ornstein — Co-Founder, Operations & Finance
Leads infrastructure, logistics, and fiscal strategy with a background in corporate finance and systems management, ensuring operational excellence as RIENNE scales.
James Stuart — Creative & Industry Partner
Founder of Custard, a hospitality studio shaping brand, concept, and operational strategy for some of the world’s most distinctive properties. Brings deep expertise in F&B development, guest experience, and positioning to RIENNE’s growth.