S.S. Grewal (born 17 August 1947) is a former IAS officer who quit the bureaucracy to devote himself full-tilt to the stock market has an educational background spanning science, engineering, literature and economics, and has been a practicing investment consultant since 1985. He lives in Chandigarh and devotes all his time to managing his stock market investments.
Mr. Grewal is also the author of three bestselling books on the stock market, including Making Money on the Stock Market: A Practical Handbook (1983), Successful Stock Market Investing (1987) and The Thinking Investor (1995), all published by Vision Books. He wrote a widely-read column on the stock markets in The Tribune for over three years.