In a public service career that spans more than three decades and includes service in two presidential administrations, as well as two terms in the United States Senate (R-Ohio, 2011-2023) and six terms in the United States House of Representatives, Rob Portman has been among the most influential presences in American politics and policy. He has held various high-ranking government roles through the course of his career. In addition to the aforementioned roles, Portman was the 14th U.S. Trade Representative (2005-2006), as well as the director of the Office of Management and Budget under President George W. Bush. Portman is known for his civility, successful bipartisan policymaking, work ethic, and extensive expertise of a broad range of complex issues. With more than 220 of his bills signed into law by Presidents Biden, Trump, and Obama during his tenure in the Senate, it is impossible to overstate his impact on American politics.

Currently, David has taken over as Beijing Bureau Chief for The Economist. David was the Washington bureau chief and "Lexington" columnist of The Economist from 2012 to 2018. Before that he was UK political editor and "Bagehot" columnist of The Economist and before that he was EU correspondent and "Charlemagne" columnist of The Economist. No other journalist at the magazine has written all three of those columns. The postings have given David a front-row seat as economic woes and populist political forces have upended the global world order that some had thought was settled. Over the years David has interviewed heads of state, heads of government, cabinet secretaries, and countless elected politicians and newsmakers, and reported from more than 50 countries.