Gregory Maassen was based in Jordan for three years, where he, among other things, managed tourism projects in Southern Jordan. He frequently organized hiking trips to Petra, Wadi Rum and Rahma together with Chris Grant, co-author of the Hiking in Jordan guidebook.
He is currently working on a new title: "Wildlife Hikes and Nature Walks in South Africa: Day trips in and around Pretoria and Johannesburg."
He currently lives in South Africa and is based in the United States when he is not overseas.