Our Founding Team

  • Andrew Rothaus

    Andrew Rothaus is a seasoned entrepreneur with a background in founding science-based consumer technology companies. As a winner of the Harvard Business School's New Venture Competition, his innovative approach has propelled ventures in diverse sectors such as real estate, Broadway, cosmetics, food and beverage, and agribusiness. Prior to pursuing investment & entrepreneurship, Andrew was the head of derivatives trading at a large commercial investment bank. He graduated summa cum laude from Yale and earning an MBA from Harvard Business School in 2018.

    At Brilliant Diamond Exchange, Andrew’s vast experience in derivatives trading and his strategic acumen in financial markets play a crucial role. His expertise in managing high-stakes, complex trading scenarios is instrumental in devising risk management strategies for the exchange, ensuring financial stability and profitability. His ability to navigate the intricacies of financial regulations and his deep understanding of market dynamics will be pivotal in steering Brilliant Diamond Exchange towards sustainable growth and innovation in the diamond trading industry.

    *headshot cred: Justin Aversano

  • William Kung

    William Kung is a renowned diamond specialist with a deep-rooted expertise in natural, fine, and particularly rare fancy color diamonds. He is a pivotal figure at his family’s multi-generation diamond business, where his extensive knowledge of diamonds, jewelry production and manufacturing is invaluable.

    William is not only known for his technical diamond expertise but also for his entrepreneurial spirit, having founded several successful diamond companies. His passion for diamonds was sparked by a fascination with their natural rarity and the unique beauty of colored gems. He possesses a distinctive ability to realize the full potential of each diamond, enhancing its inherent beauty and maximizing its market value. This skill set makes William a key asset as one of the founding partners of the Brilliant Diamond Exchange.

  • Jeffrey Petrosillo

    Jeffrey Petrosillo is a seasoned digital strategist with a comprehensive background in eCommerce, ux and customer acquisition. With a career spanning over 15 years, he has driven transformative digital initiatives for multi-nationals such as Pierre Fabre Group and L'Occitane en Provence, blending innovative customer acquisition strategies with robust analytics to deliver exceptional customer experiences and profitable growth.

    At Brilliant Diamond Exchange, Jeffrey applies his extensive digital marketing acumen and passion for cutting-edge technologies to the field of alternative investments. By spearheading the tokenization of fancy colored diamonds, he aims to make these exclusive assets accessible to a broader audience, promoting both transparency and inclusivity.

  • Ali Memon

    Ali Memon is a distinguished figure in the digital commerce arena, bringing over two decades of in-depth eCommerce expertise. As the CEO of Crescentic Digital, he has a proven track record of driving technological advancements and operational efficiency for global eCommerce brands.

    At Brilliant Diamond Exchange, Ali's extensive experience is instrumental in pioneering the integration of blockchain technology to democratize access to luxury diamond investments. His leadership is pivotal in transforming traditional diamond trading to a more transparent and inclusive platform, enhancing investor confidence and broadening market reach. His strategic vision combines robust technical knowledge with an obsession with the end user experience.