Joan Peterson received her Ph.D. in Cell Biology/Electron Microscopy from the University of Wisconsin-Madison. In 1993 she began a second career. She started a publishing company, Ginkgo Press, and created the EAT SMART series of guidebooks designed for travelers and cookbook lovers. To date she has written or co-written 11 of the 14 available culinary guidebooks (Brazil, Turkey, Indonesia, Mexico, Poland, Morocco, Sicily, India, Peru, Norway, and Portugal). She has traveled extensively for many years, and leads culinary tours to Turkey, India, Indonesia, Jordan, Morocco, Norway, Peru, Portugal, and Sicily.
Susan Chwae, Joan Peterson's daughter, has a degree in Graphic Arts from the University of Wisconsin-Madison. She is the Marketing Director and technical advisor for Ginkgo Press and the EAT SMART series. Since 1997 she has provided all creative and marketing for the EAT SMART guidebooks, culinary experiences, and the website. She has been assisting Joan or leading her own Culinary Tours since 2005.