David Lazer is a prominent American researcher known for his work in the fields of political science, computer science, and social networks. He is a professor at Northeastern University and has contributed significantly to understanding how technology influences public opinion and political behavior. Lazer is also a co-director of the Northeastern University Network Science Institute, where he studies the dynamics of information spread and its impact on society. His research often focuses on the intersection of data science and democracy, exploring how digital platforms shape political discourse and engagement.