Peter is an attorney at the law firm of Jones Day, which has more than 2,400 lawyers in 35 offices around the globe. Peter received a Bachelor of Arts degree and a Masters degree in history from U.C. Berkeley, where he received the Heller Fellowship in History. He also graduated with distinction from Stanford Law School, where he served as executive editor of the Stanford Law Review. He then served as a law clerk to a United States Court of Appeals judge in Pasadena, California for a year.

Peter has been a practicing attorney since 2004. In fewer than eight years of practice, he has developed a reputation as a highly effective appellate advocate in the federal and state court systems. Among other acknowledgments, he has been recognized by Super Lawyers magazine as a Northern California rising star in appellate litigation in 2009 and 2010 and a Southern California rising star in appellate litigation in 2012. Peter has demonstrated a commitment to legal representation of the indigent through his pro bono representations, especially in the area of immigration law.