Michael Greene is the Founder and CEO of Greene & Co. International, a Beverly Hills–based diamond house distinguished by a global presence built since 1995 and uncompromising standards. Since founding the house, he has cultivated direct relationships across the world’s premier diamond centers, securing first-pick access to exceptional stones of uncommon rarity and character. His work is defined by discretion, discernment, and a deep respect for craftsmanship, guiding collectors, executives, and tastemakers toward acquisitions that endure beyond the moment. Under his leadership, Greene & Co. continues to embody refinement, access, and quiet authority within the international diamond trade.

Asia has helped lead Greene & Co. since 2000. As COO, she oversees operations, client relations, and vendor partnerships; as Marketing and Media Director, she shapes how the house presents itself. From a client’s first introduction to delivery of a finished piece, she ensures every interaction reflects the discretion and standard the house is known for.

Maria is the Production & Design Manager at Greene & Co. A Graduate Gemologist, Applied Jewelry Professional, and Pearls Graduate of the Gemological Institute of America, she brings more than nine years in the industry and a working command of both design and production.

Annalee is a Client Relations Associate at Greene & Co., working with clients throughout the United States. Fluent in English and Chinese, she also assists the house's clients in Asia.

Suzy Li is a Production & Design Coordinator at Greene & Co., bringing a refined design sensibility and international perspective to fine jewelry. She holds a BA in Jewelry Design from Central Saint Martins, an MFA in Jewelry + Metalsmithing from the Rhode Island School of Design, and a GIA Graduate Diamonds diploma.

Drawing on her experience in jewelry design, luxury fashion, and product development, Suzy supports the creative and production processes with precision, thoughtfulness, and a discerning eye for craftsmanship.

Frederick Simon retired from the FBI after 24 years of service.

Robert Ledogar retired after more than 30 years in military and federal law enforcement, including the U.S. Marshals Service.