 In March 2013 Brown joined Nixon Peabody , a company which provides legal and lobbying services . Nixon Peabody reported that Brown would be working with the financial services and commercial real estate industries . In April 2014 Brown left the company . This work later received media attention when Lawrence Lessig with the Mayday PAC called Brown a lobbyist during the 2014 Senate election campaign . Brown 's campaign denied the claim and said that Lessig had breached the honor code of Harvard University in making it . 
