UHNWI direct

UHNWI direct is a premier service facilitating the transmission of information to the world's wealthiest and most influential individuals through our advanced routing platform. Our Wealth Intelligence Team conducts comprehensive data analysis to identify contact information for Ultra High Net Worth Individuals (UHNWIs). To safeguard personal data, we do not disclose this information; instead, we employ a secure and efficient messaging routing structure. Learn more about how it works.

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Please note: Our database contains over 10,000 direct contacts of UHNWIs, and it is highly likely that the individual you are seeking is already included. However, creating individual profiles for each contact is a meticulous and time-intensive process, So, if you are unable to find the profile of the individual you are looking for, please click here.

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Billionaire UHNWI data Billionaire UHNWI data

John Calamos | $1B+

John Calamos, founder and global CIO of Calamos Investments, is a pioneering figure in convertible securities and risk-managed equity investing. After serving as a U.S. Air Force fighter pilot, he launched his investment firm in 1977 with a strategy centered on convertibles—an overlooked asset class he helped bring into mainstream institutional portfolios. Under his leadership, Calamos Investments grew into a multibillion-dollar asset manager serving global institutions, public funds, and private wealth clients, while Calamos became known as a leading author and educator on volatility, capital structure, and portfolio construction. His disciplined, analytical approach has earned him a reputation as both an innovator and one of the most respected long-term investors in modern finance.

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UHNWI data is an independent wealth intelligence initiative led by a team of data researchers dedicated to building the world’s most comprehensive archive of individuals with a net worth exceeding $100 million. We believe in open access to structured knowledge — freely available, meticulously curated, and ethically maintained. This work is complex, time-intensive, and demands significant resources. If you find value in what we do, we invite you to support our mission with a donation. Your contribution helps preserve the independence, depth, and lasting impact of this unique research project.

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