Despite the recent growth of electronic trading in corporate bonds, a trader is still in control of most trades. The difficulties inherent in automating the art of bond trading explain why defining best execution remains largely subjective. With clients and regulators scrutinizing every aspect of the investment process, investors must gather and store every piece of data possible to document that best execution was sought beyond a reasonable doubt - an opportunity for technologists to turn art into science.MethodologyThis report provides detailed information on best execution practices utilized by fixed-income investors located in the U.S. Research is based on in-person and telephone interviews with 114 high-yield credit and 119 investment-grade credit investors throughout 2014.