Ratanlal Mahanta has several years of experience in the modeling and simulation of quantitative trading. He works as a senior quantitative analyst at GPSK Investment Group, Kolkata. Ratanlal holds a master's degree of science in computational finance, and his research areas include quant trading, optimal execution, and high-frequency trading.

He has also reviewed Mastering R for Quantitative Finance, Mastering Scientific Computing with R, Machine Learning with R Cookbook, and Mastering Python for Data Science, all by Packt Publishing.