Gad Saad

Gad Saad (; ; ; born October 13, 1964) is a Lebanese-Canadian evolutionary psychologist and professor in the John Molson School of Business at Concordia University who is known for applying evolutionary psychology to marketing and consumer behaviour. He also writes a blog for "Psychology Today", and hosts a YouTube channel titled "The Saad Truth".
Early life and education.
Saad was born in 1964 in Beirut, Lebanon, to a Jewish family. His family fled to Montreal, Quebec, Canada in October 1975 to escape the Lebanese Civil War. His older brother David Saad is a judoka who competed in the men's lightweight event at the 1976 Summer Olympics. 
He obtained a B.Sc. (Mathematics and Computer Science) and M.B.A. from McGill University, and an M.Sc. and Ph.D. from Cornell University. Saad's doctoral adviser was the mathematical and cognitive psychologist and behavioural decision theorist J. Edward Russo.
Career.
Saad has been a professor of marketing at Concordia University since 1994. As of 2020, he holds the Concordia University Research Chair in Evolutionary Behavioural Sciences and Darwinian Consumption. During this time he has also held visiting professorships at Cornell University, Dartmouth College, and the University of California, Irvine. He was an associate editor for the journal "Evolutionary Psychology" from 2012 to 2015. He is an advisory fellow for the Centre for Inquiry Canada.
Saad hosts a YouTube show titled "The Saad Truth". As of February 2021, his channel has received more than 22 million views.
Saad writes a blog for "Psychology Today" titled "Homo Consumericus".
Research.
One line of research that Saad has been exploring is how hormones affect consumers and the decisions they make. Examples of this research include how showy products affect testosterone levels, how testosterone levels affect various forms of risk-taking, and how hormones in the menstrual cycle affect buying decisions. Another line of research has involved gift giving, including how men and women differ in why they give.
Coverage and interviews.
Saad has been profiled in the "Toronto Star" and his life story was documented by the Télévision française de l'Ontario. His views have also been mentioned in "The Economist", "Forbes", "Chatelaine", "Time", "The Globe and Mail", and "The New York Times".
Saad had been a contributing author for "The Huffington Post" and "The Wall Street Journal".
Saad appeared on Reason TV in November 2011. In September 2015, Saad was interviewed by TJ Kirk on the "Drunken Peasants Podcast". As of 2016, he had been featured on five episodes of "The Joe Rogan Experience". Saad has also appeared on Josh Szeps' #WeThePeople podcast, Sam Harris' "Making Sense" podcast (then titled "Waking Up"), "The Adam Carolla Show", "Talk Nerdy with Cara Santa Maria", "The Rubin Report", and the Glenn Beck Podcast.