Dr. David Denkenberger received his B.S. from Penn State in Engineering Science, his masters from Princeton in Mechanical and Aerospace Engineering, and his Ph.D. from the University of Colorado at Boulder in the Building Systems Program. His dissertation was on his patented expanded microchannel heat exchanger. He is an associate professor at University of Canterbury. He co-founded and is a director at the Alliance to Feed the Earth in Disasters (ALLFED) and donates half his income to it. He received the National Science Foundation Graduate Research Fellowship, is a Penn State distinguished alumnus, and is a registered professional engineer. He has authored or co-authored 127 publications (>4,100 citations, >50,000 downloads, h-index = 32, second most prolific author in the existential/global catastrophic risk field), including the book Feeding Everyone no Matter What: Managing Food Security after Global Catastrophe. His food work has been featured in over 25 countries, over 200 popular articles, including Science. He has given over 80 interviews/external presentations, including ones on food at a third of the global top 20 universities and two 80,000 Hours podcasts.