Martin Stilwell was born in Lisbon, Portugal, in 1949. After obtaining his first degree in Agricultural Botany at the University of Reading (UK), he earned his PhD in Plant Breeding and Genetics at Cambridge University (UK). He began his career in 1970 as a Tomato Breeder in the Overseas Agricultural Development Department of HJ Heinz. By 1982, he was a senior manager in Purchasing for HJ Heinz UK, followed by a period in financial planning and profit forecasting.