Gambaryan, an American citizen and former Inside Income Service (IRS) particular agent, is Binance’s head of economic crime compliance. He and a colleague, Binance’s regional supervisor for Africa Nadeem Anjarwalla, a twin U.K.-Kenyan nationwide, had been arrested and detained on Feb. 26 after flying to Nigeria’s capital metropolis of Abuja to fulfill with the Nigerian authorities on the authorities’s request.