Karen Ornstein — Founder & Commercial Director
Leads RIENNE’s commercial strategy and hospitality growth, overseeing market expansion and trade relationships with a focus on long-term brand value. Brings over two decades of experience in brand leadership and high-touch commerce, guiding RIENNE’s positioning with clarity, discipline, and intent.
Mark Ornstein — Co-Founder, Portfolio & Brand Relations
Oversees portfolio development and brand relations, stewarding RIENNE’s supplier partnerships with a focus on alignment, quality, and scalability. With a background in corporate finance and systems management, he supports the operational foundation that enables RIENNE’s disciplined growth.