The AFX flagship product, the AMERIBOR benchmark index, reflects the actual borrowing costs of thousands of regional and community banks across the U.S. and is one of the short-term borrowing rates, along with the Secured Overnight Financing Rate, vying to replace U.S. dollar Libor as a benchmark in the U.S.[1] Sandor is chairman and CEO of Environmental Financial Products LLC, which specializes in inventing, designing and developing new financial markets with a special emphasis on investment advisory services.

[4] In 2007, he was named the "father of carbon trading" by Time Magazine for his work in designing, developing and launching CCX and affiliated exchanges.

His first book Good Derivatives: A Story of Financial and Environmental Innovation,[10] was published by John Wiley & Sons in April 2012.

As a professor on sabbatical from the University of California, Berkeley in the 1970s, Sandor became the chief economist and vice president of the Chicago Board of Trade (CBOT).

Sandor originally coined the term "derivatives"[14] to describe the futures and options contracts that were traded on the Chicago exchanges.

[20] Sandor has held a variety of senior executive positions in financial service companies, such as Drexel Burnham Lambert, Kidder Peabody and Banque Indosuez.

[27] Using Environmental Financial Products as the incubator, Sandor founded the Climate Exchange PLC (CLE) family of companies.

[31] Sandor and EFP are turning their focus to the feasibility of a market-based mechanism as a tool to address water quality and quantity issues.

[34] In August 2002, Sandor was chosen by Time magazine as one of its "Heroes for the Planet" for his work as the founder of the Chicago Climate Exchange.

In 1992 Sandor served as an expert advisor to the UN Conference on Trade and Development on tradable entitlements for the reduction of greenhouse gas emissions.

[37] In November 2004, Sandor was the recipient of an honorary degree of Doctor of Science (Honoris Causa) by the Swiss Federal Institute of Technology (ETH) of Zurich, Switzerland [38] for his work on the design and implementation of innovative and flexible market-based mechanisms to address environmental concerns.

[46] Sandor was a former director of American Electric Power (AEP),[47] one of the largest utilities in the United States and of the Volatility Exchange.

[48] Sandor also served on the board of Clean Energy Trust,[49] a Chicago-based not-for-profit,[50] the Smithsonian Tropical Research Institute and Lincoln Park Zoo.