Deirdre Mask graduated from Harvard College summa cum laude, and attended University of Oxford before returning to Harvard for law school, where she was an editor of the Harvard Law Review. She completed a master’s in writing at the National University of Ireland.

The author of The Address Book: What Street Addresses Reveal About Identity, Race, Wealth, and Power, Deirdre's writing has appeared in The New York Times, The Atlantic, and The Guardian. Originally from North Carolina, she has taught at Harvard and the London School of Economics. She lives with her husband and daughters in London.