With more than three decades of leadership in real estate development, John Cournoyer is a visionary executive known for delivering complex, high-value projects that redefine commercial and mixed-use spaces. As Executive Vice President at Brookfield Properties, he oversaw over $3 billion in development activity, driving strategic growth through disciplined capital planning, innovative design execution, and cross-functional leadership. John's reputation for precision, collaboration, and results has made him a trusted figure in the industry and a sought-after voice in both operational execution and strategic vision.

After years of working in real estate development, asset management, and strategic acquisitions, I’m proud to share my professional biography. It highlights my journey through corporate and entrepreneurial ventures, my passion for sustainable community development, and the incredible people I’ve worked with along the way. Here is my biography.

Sean Macmillan is a distinguished leader in luxury retail development, currently serving as the **Senior Vice President of Real Estate, Store Design & Construction** at **David Yurman**. With over **20 years of experience**, he has played a pivotal role in shaping the retail presence of renowned global brands through strategic expansion, innovative store design, and meticulous construction execution. His expertise lies in blending aesthetics, functionality, and brand identity to create immersive retail experiences that drive customer engagement and business growth. Having held leadership positions at **Harry Winston, Aesop, and Estée Lauder**, Sean has a proven track record of delivering high-profile projects that uphold the highest standards of craftsmanship and operational efficiency. A collaborative and results-driven executive, he continues to push the boundaries of retail excellence, ensuring that every store reflects the artistry and heritage of the brand while embracing modern and sustainable design principles.