Porter Erisman is an author and expert in e-commerce, known for his insightful works that focus on the dynamics of online retail, particularly in emerging markets. He has written two notable books:

1. Alibaba's World - This book provides a detailed account of Alibaba's rise and its impact on global commerce. It was recognized as one of the Best Business Books of 2015 by the Wall Street Journal and has received praise for its engaging narrative and insider perspective on the digital transformation in China.

2. Six Billion Shoppers: The Companies Winning the Global E-Commerce Boom - In this book, Erisman explores the burgeoning e-commerce landscape in emerging markets such as China, India, and Nigeria. He discusses how these markets are experiencing a significant boom driven by internet adoption, a rising middle class, and innovative business models tailored to local needs. The book serves as a guide for entrepreneurs and brands looking to capitalize on these opportunities in the global market.123

Erisman’s work emphasizes the revolutionary potential of e-commerce in developing regions, suggesting that the next phase of growth in this sector will predominantly occur outside of traditional Western markets.