Management Team

Yogesh Kantilal Madhvani, Chairman & CEO

Yogesh K. Madhvani is the chairman and CEO of New York-based SimplexDiam Inc. He has been an entrepreneur for over 33 years, starting and running companies in industries as diverse as the textile industry to the diamond industry. For the past 27 years, he has managed and grown various diamond and jewelry business models including rough and polished trading, jewelry manufacturing, jewelry wholesaling, and jewelry services for retailers and wholesalers.

Amongst his current businesses are a jewelry manufacturing business that handles several of the larger more prestigious jewelry retailers in the USA, while the asset recovery and services business currently handles the largest U.S retailers and wholesalers worldwide. Madhvani was also a founding director of the Indian Diamond and Color Stone Association (IDCA), a founding member of the Indo Argyle Diamond Council (IADC), as well as being a member of various other trade bodies such as Jewelers Board of Trades (JBT), American Gem Trade Association (AGTA), etc.


Shail Yogesh Madhvani, Vice President

Received a BS in Economics from the Wharton School. He worked at Lazard Freres in Mergers & Acquisitions previous to joining SimplexDiam. Shail has advised many companies on different methods for maximizing recovery and has also invented several methods to value large selections of mixed jewelry lots. He is a 4th generation jeweler.


Neel Yogesh Madhvani, Vice President

Received a BA in Literature from Johns Hopkins University. He worked at a boutique investment fund before joining SimplexDiam.