Dr Radhakanta Rana is a research associate at the Advanced Steel Processing and Products Research Center, Colorado School of Mines, USA. He has been engaged in automotive materials research for the last 11 years working on various types of steels including interstitial free steels, TRIP-aided bainitic ferritic steels, complex phase steels, medium and high Mn steels, high Al low-density steels, high modulus steels, and quenching and partitioning steels. He serves on the Review Board for Metallurgical and Materials Transactions A, is a member of the TMS Steel Experts Adhoc Committee, and is an active reviewer for more than 10 international materials journals.Professor Shiv Brat Singh is a full Professor at the Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, India. He has over 20 years of teaching and research experience, mainly on the physical metallurgy of steels.