Aaron Brown was Chief Risk Manager at AQR Capital Management. He was one of the original developers of value at risk and one of its strongest proponents.
Ref:- https://en.wikipedia.org/wiki/Aaron_Brown_(financial_author)
Aaron Brown is a former managing director and head of financial market research at AQR Capital Management. He is the author of “The Poker Face of Wall Street.”
Ref:- https://www.bloomberg.com/opinion/articles/2022-01-31/quant-strategies-have-proved-their-worth