David has extensive public and private sector experience in economic and trade sanctions, AML, FATF evaluations, digital currency and blockchain, corporate compliance, and international trade.

From 2018 to 2020, David served as the Deputy Assistant Secretary of State for Counter Threat Finance and Sanctions in the Bureau of Economic and Business Affairs. As the State Department's sanctions chief, David led the Office of Economic Sanctions Policy and Implementation. He managed 25 sanctions programs for the Secretary of State and created the State Department’s very first economic sanctions targeting team. David was also instrumental in implementing maritime sanctions and issuing the first US Global Maritime Advisory. David built partnerships to combat illicit finance and sanctions evasion with several countries and multinational corporations that led to greater economic and strategic cooperation with the US.

David also led the Office of Threat Finance Countermeasures, which combats terrorist financing and the illicit use of minerals and metals, coordinates US government interagency implementation of the Kimberly Process, and represents the State Department in the Financial Action Task Force.

On April 5, 2020, he was appointed the US Deputy Special Envoy to Combat Antisemitism, with responsibility for Eurasia, BDS, and Special Projects. Under the US government's initiative to achieve peace between Israel and the neighboring countries, David's portfolio included increasing global economic engagement with Israel.

He was previously a federal and state prosecutor and led the sanctions compliance framework for the world's largest asset manager.

David speaks fluent Persian and is a former co-chair of the US State Department Advisory Committee on International Economic Policy, Sanctions Subcommittee.