Question: When was the American lawyer, lobbyist and political consultant who was a senior member of the presidential campaign of Donald Trump born?

<P0-S0> Paul John Manafort Jr. (born April 1, 1949) is an American lawyer, lobbyist and political consultant. <P0-S1>  He joined Donald Trump's presidential campaign team in March 2016 and served as campaign manager from June to August 2016. <P0-S2>  He was previously an adviser to the U.S. presidential campaigns of Republicans Gerald Ford, Ronald Reagan, George H. W. Bush, and Bob Dole. <P0-S3>  In 1980 Manafort co-founded the Washington, D.C.-based lobbying firm Black, Manafort & Stone, along with principals Charles R. Black Jr., and Roger J. Stone. <P0-S4>  In 1984 it was renamed Black, Manafort, Stone and Kelly (BMSK) & associates, after Peter G. Kelly was recruited. <SEP> <P1-S0> On June 9, 2016, a meeting was held in Trump Tower in New York City between three senior members of the presidential campaign of Donald TrumpDonald Trump Jr., Jared Kushner, and Paul Manafortand at least five other people, including Russian lawyer Natalia Veselnitskaya. <P1-S1>  The meeting was arranged by publicist and long-time Trump acquantiance, Rob Goldstone on behalf of his client, singer-songwriter Emin Agalarov. <P1-S2>  It was disclosed to U.S. government officials when Kushner filed a revised version of his security clearance form. <SEP> <P2-S0> Brad Parscale (born January 3, 1976) is an American digital media and political strategist. <P2-S1>  He served as the digital media director for Donald Trump's 2016 presidential campaign. <P2-S2>  Parscale began working for the Trump Organization in 2011, developing and designing websites, and creating and managing digital media strategies. <P2-S3>  In early 2015, Trump hired Parscale and his firm, Giles-Parscale, to create a website for his exploratory campaign. <P2-S4>  When Trump declared himself a Republican candidate in 2015, one of the first people he called was Parscale, asking him to update his exploratory campaign site into a "full-fledged presidential campaign website." <P2-S5>  Throughout the Republican primary, Parscale was responsible for the Donald J. Trump for President website, as well as for digital media strategy and online fundraising campaigns. <P2-S6>  In June 2016, Parscale was officially named digital media director for the Donald J. Trump for President campaign, overseeing all aspects of digital media and online fundraising, as well as traditional media strategy, like radio and television placements. <P2-S7>  In January 2017, Parscale, along with another senior Trump aide, Nick Ayers, formally launched America First Policies, a non-profit organization that promotes President Trump's agenda and White House initiatives. <SEP> <P3-S0> David Urban (born c. 1964) is an American lobbyist, political operative, and political commentator who worked on the 2016 Donald Trump presidential campaign, helping to orchestrate the 2016 Republican National Convention and serving as a senior advisor in the successful effort to win Pennsylvania. <P3-S1>  In November 2016, it was reported that Urban was being considered as the next chair of the Republican National Committee, as well as the White House Deputy Chief of Staff, and in May 2017, it was reported that Trump was considering Urban to replace Reince Priebus as White House Chief of Staff.