Cristina Arguedas. Photo: Jason Doiy/ALM recent article in The Atlantic Cristina Arguedas is a name partner at Arguedas, Cassman & Headley, a criminal defense law firm based in Berkeley. She was named Litigator of the Week by The Am Law Litigation Daily for her June 2016 defense win for FedEx Corp. in a case that carried criminal penalties of up to $1.6 billion.