Amir Alexander is a historian of mathematics and a writer, who has written extensively on the interconnections between mathematics and general culture.

John Baez is a mathematical physicist at University of California, Riverside, with special interests in quantum gravity and higher-dimensional category theory. He is extremely prominent on the Web, best known for his column This Week's Finds in Mathematical Physics.

David Corfield is a philosopher. Currently working with a machine learning group in Tuebingen, he has particular interests in mathematics, physics, psychology and the health science.

Leo Corry is a historian of modern mathematics, and the director of the Cohn Institute for History and Philosophy of Science and Ideas at Tel Aviv University.

Persi Diaconisis a mathematical statistician at Stanford University who works on down to earth problems such as how many times should a deck of cards be shuffled to mix it (answer seven).

Apostolos Doxiadis is a writer who investigates the relationship of mathematics to narrative both in practice, through his storytelling, and in theoretical essays.

Timothy Gowers is Rouse Ball Professor of Mathematics at Cambridge University. Winner of a Fields Medal in 1998, he wrote the popular Mathematics: A Very Short Introduction.

Barry Mazuris Gerhard Gade University Professor of mathematics at Harvard. Apart from his research, he is very interested in the popularization of mathematics.

Robert Osserman is a mathematician. A Stanford professor emeritus, he is now actively involved with outreach as Special Projects Director of the Mathematical Sciences Research Institute.

Christos Papadimitriou is a professor of computer science at the University of California, Berkeley. In addition to hundreds of research papers, he was written four technical books and a novel.

Theodore Porter is a professor of the history of science at the University of California, Los Angeles. He specializes in the history of statistics and the the social sciences.

Marcus du Sautoy is a mathematician. A professor at Oxford University, he also creates popular mathematical books, lectures, shows and films, for a general audience.

Robin J. Wilsonis Professor of Geometry at Gresham College, head of the Pure Mathematics Department at The Open University, and author of numerous poular works on mathematics.

M. Norton Wise is a professor of the history of science at the University of California, Los Angeles. He specializes in the history of 19th century physics, and the cultural conditions of scientific development.

Doron Zeilberger is a professor of mathematics at Rutgers and winner of the 1998 Steele prize. He is well known for his unconventional mathematical views and his thought-provoking website.