Stanimir Ivanov Kumurdjiev, Bulgaria (also known as Stanimir Vaglenov), is the online projects manager at Media Group Bulgaria and manages more than 50 online media channels, including websites, social channels and more.

Ivanov Kumurdjiev’s investigations have covered Osama Bin Laden’s network in the Balkans, money laundering, organized crime, the theft of European funds, the baby trade and arms dealer Viktor Bout. He was also part of several ICIJ projects including Offshore Leaks and Big Tobacco Smuggling. In 2007, he founded the Bulgarian Investigative Journalism Centre in Sofia.

He has won numerous journalism prizes, including the Daniel Pearl Award and a Global Shining Light Award as part of the Organized Crime and Corruption Reporting Project. Ivanov Kumurdjiev published a book, "Свалят правителството!" (Overthrow the government!) – a collection of his work – and teaches investigative journalism at Sofia University "St Kliment Ohridski".