was recruited by Brazilian TV juggernaut Globo (conglomerate) and Brazilian-Angola billionaire Valdomiro Minoru Dondo to serve as the CEO and General Manager of Angola's first private TV station in Angola. In 2011, it was reported that Wierson was leading an effort to open the first large-scale modern department store in Angola to be called Luanda Fashion Center. Luanda Fashion Center was acquired by the Brazilian retailer, Morena Rosa Group in 2014. Manova Global Summit In the spring of 2018, in the wake of a failed attempt to bring the 2023 World's Fair to Minnesota, it was reported that Wierson, former General Mill's Chief Marketing Officer Mark Addicks, and publicist Kathryn Tunheim joined forces with The Medical Alley Association, The Mayo Clinic, and Walmart to launch The Manova Global Summit on the Future of Health. Journalism career Wierson began writing for The New York Observer shortly after returning to the United States in 2017, oftentimes sharing his views on recently elected US President Donald Trump and offering insights and comparisons that could be drawn from his time working with his former longtime boss, former New York City Mayor Michael Bloomberg, the wealthiest man to ever hold public elected office in the history of the United States. In 2018, Wierson began writing political columns for CNBC, offering his analysis of the 2018 United States elections, drawing upon his years as political aide to Bloomberg. Later that year he began doing political analysis for Vice as well. It was also in 2018 that Wierson was invited to offer political commentary for CNN both as an on-air analyst as well as for the network's website. Wierson became a regular columnist for CNN in 2019 as speculation began to mount that Bloomberg would be running for president in the 2020 Democratic Party presidential primaries. In a column for the Observer, after Bloomberg famously dismissed speculation he would be running for president in 2020, Wierson famously labeled the New York billionaire as the "Obi-Wan Kenobi of the Democratic Party, more powerful in his political afterlife than he ever was as an elected official or as a potential presidential candidate."—a meme Bloomberg would use as part of his political messaging once he entered and then dropped out of the presidential race after a disastrous showing on Super Tuesday, 2020. With the Observer moving to decidedly less political coverage by 2018 due to the outlet being owned by