About the Authors

Nina Zumel has worked as a scientist at SRI International, an independent, nonprofit research institute. She has worked as chief scientist of a price optimization company and founded a contract research company. Nina is now a principal consultant at Win-Vector LLC. She can be reached at [email protected].

John Mount has worked as a computational scientist in biotechnology and as a stock trading algorithm designer, and has managed a research team for Shopping.com. He is now a principal consultant at Win-Vector LLC. John can be reached at [email protected].