Mark Langworthy
Vice President, TANGO International.
Mark Langworthy is currently the Vice President of TANGO International. Dr. Langworthy took his PhD from Stanford University and spent 12 years on the faculty of the Department of Agricultural and Resource Economics at the University of Arizona. While on the faculty, Dr. Langworthy taught the Economic Development course at the undergraduate and graduate levels. Dr. Langworthy has worked extensively as a development practitioner through the Francophone and Lusophone world, and has co-authored a book on Cape Verdean agriculture (Waiting for Rain: Agriculture and Ecological Imbalance in Cape Verde). His specialization is in field surveys, statistics, and quantitative methods.