He faced criticism in 2012 for advising people once allied with Slobodan Milošević who had lauded Serbian war criminals. Bracewell & Giuliani In 2005, Giuliani joined the law firm of Bracewell & Patterson LLP (renamed Bracewell & Giuliani LLP) as a name partner and basis for the expanding firm's new New York office. When he joined the Texas-based firm he brought Marc Mukasey, the son of Attorney General Michael Mukasey, into the firm. Despite a busy schedule, Giuliani was highly active in the day-to-day business of the law firm, which was a high-profile supplier of legal and lobbying services to the oil, gas, and energy industries. Its aggressive defense of pollution-causing coal-fired power plants threatened to cause political risk for Giuliani, but association with the firm helped Giuliani achieve fund-raising success in Texas. In 2006, Giuliani acted as the lead counsel and lead spokesmen for Bracewell & Giuliani client Purdue Pharma, the makers of OxyContin, during their negotiations with federal prosecutors over charges that the pharmaceutical company misled the public about OxyContin's addictive properties. The agreement reached resulted in Purdue Pharma and some of its executives paying $634.5million in fines. Bracewell & Giuliani represented corporate clients before many U.S. government departments and agencies. Some clients have worked with corporations and foreign governments. Giuliani left the firm in January 2016, by "amicable agreement", and the firm was rebranded as Bracewell LLP. Greenberg Traurig In January 2016, Giuliani moved to the law firm Greenberg Traurig, where he served as the global chairman for Greenberg's cybersecurity and crisis management group, as well as a senior advisor to the firm's executive chairman. In April 2018, he took an unpaid leave of absence when he joined Trump's legal defense team. He resigned from the firm on May 9, 2018. Lobbying in Romania In August 2018, Giuliani was retained by Freeh Group International Solutions, a global consulting firm run by former FBI Director Louis Freeh, which paid him a fee to lobby Romanian president Klaus Iohannis to change Romania's anti-corruption policy and reduce the role of the National Anticorruption Directorate. Giuliani argued that the anti-corruption efforts had gone too far. Podcast In January 2020, Giuliani launched a podcast, Rudy Giuliani's Common Sense. Television appearances Giuliani was reportedly revealed to be the first unmasking on the seventh season of The Masked Singer, which caused judges Ken Jeong and Robin Thicke to leave the set. Giuliani actually turned