About the reviewers

Greg Walters has been involved with computers and computer programming since 1972. He is well versed in Visual Basic, Visual Basic.NET, Python, and SQL, and is an accomplished user of MySQL, SQLite, Microsoft SQL Server, Oracle, C++, Delphi, Modula-2, Pascal, C, 80x86 Assembler, COBOL, and Fortran. He is a programming trainer and has trained numerous individuals in many pieces of computer software, including MySQL, Open Database Connectivity, Quattro Pro, Corel Draw!, Paradox, Microsoft Word, Excel, DOS, Windows 3.11, Windows for Workgroups, Windows 95, Windows NT, Windows 2000, Windows XP, and Linux. He is currently retired and, in his spare time, is a musician and loves to cook. He is also open to working as a freelancer on various projects.

Yoon Hyup Hwang is a seasoned data scientist in the marketing and finance industries and is the author of two applied machine learning books. He has almost a decade of experience building numerous machine learning models and data science products. He holds an M.S.E. in Computer and Information Technology from the University of Pennsylvania and a B.A. in Economics from the University of Chicago. He enjoys training various martial arts, snowboarding, and roasting coffee. He currently lives in the Greater New York Area with his artist wife, Sunyoung, and a playful dog, Dali (named after Salvador Dali).