WHIPPANY, NJ, March 11, 2025 /24-7PressRelease/ -- Marquis Who's Who, the world's premier publisher of biographical profiles, is proud to present Joannis "John" Argyriou with the Albert Nelson Marquis Lifetime Achievement Award. An accomplished listee, Joannis "John" Argyriou celebrates many years' experience in his professional network and has been noted for achievements, leadership qualities, and the credentials and successes he has accrued in his field. As in all Marquis Who's Who biographical volumes, individuals profiled are selected on the basis of current reference value. Factors such as position, noteworthy accomplishments, visibility, and prominence in a field are all taken into account during the selection process.

Mr. Argyriou has established a distinguished career in the financial sector, marked by his expertise in fixed income, derivatives and commodities. As the owner and managing director of Bellerophon Investment Management Limited since 2002, he has been instrumental in operating a venture capital company focused on mining projects and building a plant to extract minerals from ocean water. Mr. Argyriou's leadership at Bellerophon has been complemented by his role as the chief investment officer at OneCycle Group since 2016, where he continues to influence investment strategies.

Before his present positions, Mr. Argyriou served as the chief operating officer at Curve Capital Ventures Limited from 2008 to 2015. His earlier experience included a role as the head of repo, arbitrage and futures fixed income, along with a proprietary trading book at Yamaichi International (Europe) Limited between 1996 and 1998.

Mr. Argyriou's career began at Salomon Brothers Inc., where he worked as a fixed-income sales associate from 1983 to 1994. This foundational experience set the stage for his subsequent success in the industry. He later joined Steinhardt Capital Management LLC as a repo trader between 1994 and 1996, further expanding his expertise in financial markets.

Mr. Argyriou's educational background includes a Bachelor of Applied Science in finance and economics from Pace University in 1984. He is currently pursuing a master's degree and has been recognized for his academic excellence with an invitation to join Sigma Beta Delta, a business fraternity honoring top students.

Throughout his career, Mr. Argyriou has been an active member of the National Rifle Association, Hiram Mason Lodge in the U.K., and the European Raw Materials Alliance and is a trustee at Kings Hospital London. He also coached American football in the U.K. from 2016 to 2023. His dedication to community service underscores his commitment to making a positive impact beyond the financial sector.

Mr. Argyriou is driven by a relentless commitment to seeking truth and making evidence-based decisions, embodying humility and equality in all interactions. Looking ahead, he aims to innovate within his field by developing sustainable solutions that challenge conventional practices. As Mr. Argyriou continues to pursue new ventures, he remains guided by advice imparted by several mentors.

About Marquis Who's Who®:
Since 1899, when A. N. Marquis printed the First Edition of Who's Who in America®, Marquis Who's Who® has chronicled the lives of the most accomplished individuals and innovators from every significant field of endeavor, including politics, business, medicine, law, education, art, religion and entertainment. Who's Who in America® remains an essential biographical source for thousands of researchers, journalists, librarians and executive search firms around the world. The suite of Marquis® publications can be viewed at the official Marquis Who's Who® website, www.marquiswhoswho.com.

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