Dan Ariely is a prominent behavioral economist known for his research on how people make decisions. He is a professor at Duke University and has authored several influential books, including Predictably Irrational, which explores the hidden forces that shape our choices. His work combines psychology and economics to understand why people often act against their best interests. Ariely's studies have revealed surprising insights into human behavior, such as how emotions and social norms influence decision-making. He has also contributed to the field of behavioral finance, examining how irrational behaviors affect financial markets. His engaging talks and writings have made complex concepts accessible to a broad audience.