AJ Mediratta (born Ajata Mediratta but known professionally as AJ Mediratta) is an American investor who has worked in financial markets, particularly in fixed income emerging markets and in sovereign debt restructurings. He is a co-president at Greylock Capital Management, LLC (Greylock Capital), an alternative asset investment adviser. Mediratta is active in Greylock Capital's investment activity and debt restructuring efforts globally, with a focus on sovereign and quasi-sovereign restructuring activity in Latin America and the Caribbean.