Alexander Vindman

Alexander Semyon Vindman is a retired United States Army lieutenant colonel who was the Director of European Affairs for the United States National Security Council (NSC) until he was reassigned on February 7, 2020. He came to national attention in October 2019 as a key witness before the United States Congress regarding the Trump–Ukraine scandal. His testimony revealed that he, himself, had triggered the House inquiry, and provided evidence that resulted in a charge of abuse of power in the first impeachment of Donald Trump.