Who We Are
Derek Lyons is a Partner at King Street Legal, PLLC. He has spent decades advising policymakers at the highest levels of law and public policy in Washington, D.C., including in the White House, Senate, and House of Representatives. During the Trump Administration, he served as Counselor to the President and White House Staff Secretary, providing strategic advice across key policy areas. Previously, he was Chief Counsel to the Senate Permanent Subcommittee on Investigations and General Counsel to Senator Rob Portman. He has years of legal experience at leading law firms in D.C. and as a public company general counsel and corporate secretary. He began his legal career clerking for then-Judge Brett Kavanaugh on the D.C. Circuit and holds degrees from Duke University and Harvard Law School. He is admitted to practice law in D.C. and Texas and was a presidentially appointed member of the Fulbright Foreign Scholarship Board. He can be reached at derek@kingstlegal.com. Ext. 104.
Pierce Babirak is a Partner and the General Counsel of King Street Legal, PLLC. He is a seasoned attorney, political veteran, and trusted advisor whose practice centers around the intersection of law, policy, finance, and politics. Pierce excels at navigating regulatory uncertainty, representing clients before federal agencies and state regulators, and providing deft strategic counseling to resolve complex matters. Before joining the firm, Pierce practiced law at leading national firms in Washington, D.C. He served in the first Trump Administration and clerked for Judge Alice Batchelder on the U.S. Court of Appeals for the Sixth Circuit. Prior to practicing law, Pierce worked in finance for a variety of financial institutions and had a brief career in the education sector. Pierce earned his law degree from the University of Virginia School of Law, his MBA in Finance from the University of Virginia Darden School of Business, a master’s degree from the University of Pennsylvania, and a bachelor’s degree from Grove City College. Outside of his work at the firm, Pierce is the President of Vallecito Capital, LLC, and serves as a Captain in the United States Army Reserves. He is admitted to practice law in D.C. and Maine. He can be reached at pierce@kingstlegal.com. Ext. 102.
Brad Humphreys is a Partner at King Street Legal, PLLC. He helps clients navigate high-stakes, complex matters, drawing on over a decade of experience at the Department of Justice in the Civil Division’s Federal Programs Branch. While at DOJ, Brad defended some of the federal government’s most contentious and high-profile matters. He has extensive experience in all aspects of federal civil litigation and he has briefed and argued dozens of challenges to significant regulations. He also frequently counseled agencies on rulemakings and potential enforcement actions, and prepared senior agency officials for testimony. Brad clerked for Judge Pamela Ann Rymer on the U.S. Court of Appeals for the Ninth Circuit, and for Judge Sarah Vance on the U.S. District Court for the Eastern District of Louisiana. He earned his J.D., with honors, at the University of Chicago Law School, where he was Editor-in-Chief of The Law Review, and his B.A. from the University of Virginia. He is admitted to practice law in D.C. and Maryland. He can be reached at brad@kingstlegal.com. Ext. 103.
Keith Noreika is an Of Counsel attorney at King Street Legal, PLLC. He specializes in the regulation of financial institutions. Keith served in the U.S. Department of Treasury as President Trump’s first Comptroller of the Currency (acting) in 2017. He previously was a partner at the law firms of Simpson, Thacher & Bartlett, LLP and Covington & Burling, LLP. More recently, he has been a financial services regulatory consultant at Patomak Global Partners in Washington, D.C. Keith was previously an adjunct professor of law at both the University of Pennsylvania and the University of Virginia. He earned his law degree from Harvard Law School, where he was an editor of the Harvard Law Review, and his bachelor's degree, with a concentration in finance, from the Wharton School at the University of Pennsylvania. After law school, he clerked for Judge Jerry E. Smith on the U.S. Court of Appeals for the Fifth Circuit. Born and raised in Pittsburgh, Pennsylvania, he now lives with his wife and three daughters in McLean, VA. In addition to English, Keith also speaks French. He can be reached at keith@kingstlegal.com. Ext. 108.
Dylan Jacobs is an Associate at King Street Legal, PLLC. He is an experienced appellate and trial litigator who has represented clients at all levels of the state and federal courts. Before joining King Street Legal, Dylan served as the Deputy Solicitor General for the State of Arkansas, where he led the state’s efforts in scores of high-stakes and high-profile cases at all stages of litigation ranging from the initial complaint-drafting stage all the way through United States Supreme Court review. In that role, he presented a dozen appellate oral arguments, including initial en banc arguments before the U.S. Court of Appeals for the Eighth Circuit, and first-chaired multiple federal trials. He led a six-state coalition’s successful effort to block enforcement of the Title IX rule promulgated by the U.S. Department of Education during the Biden Administration. He also authored numerous amicus briefs across all levels of federal and state courts. In addition to defending the state in litigation, Dylan provided strategic advice to state officials and agencies on critical legal issues. Prior to his government service, Dylan was a litigation and regulatory attorney at the Washington, D.C. office of Jones Day. He graduated Order of the Coif from the Vanderbilt University Law School and served as an Articles Editor on the Vanderbilt Law Review. He earned his bachelor’s degree summa cum laude from the University of Arkansas at Little Rock. He can be reached at dylan@kingstlegal.com. Ext. 105.
Ethan Treacy is an Associate at King Street Legal, PLLC. He has significant litigation experience at every level of state and federal court. Before joining the firm, Ethan most recently served as the Assistant Solicitor General for the Commonwealth of Virginia, where he represented the Commonwealth in suits raising federal and state constitutional issues. Ethan started his legal career as an Associate at Covington & Burling in Washington D.C., where he represented clients in major multi-district litigation and class action and product liability suits. Prior to his career in law, Ethan served on active duty as an Officer in the United States Marine Corps. Ethan holds degrees from the University of Georgia and the University of Virginia School of Law, where he served as an Articles Editor on the Virginia Law Review. He can be reached at ethan@kingstlegal.com. Ext.106.
Kristen Miller is an Associate at King Street Legal, PLLC. She is an experienced trial attorney who has tried hundreds of cases on behalf of the State of Maryland as an Assistant State’s Attorney for Montgomery County, Maryland. Kristen served as Law Clerk to the Senior Judge in Montgomery County Circuit Court, where she wrote briefs, opinions, and conducted high-end legal research on high-profile criminal cases. Following that, she joined the Prosecutor’s Office, beginning her trial experience in the District Court, trying misdemeanor and jailable traffic cases, continuing to Juvenile Court, where she tried numerous juvenile felony cases, to ultimately serving on the Circuit Court felony team, where she handled adult felony cases. Kristen has years of experience in the courtroom, in trial and litigating trial issues. Before joining the State’s Attorney’s Office, Kristen worked for a Maryland Civil Defense firm, where she handled pretrial civil issues and aided in trial preparation. Kristen received her law degree from the Catholic University of America, where she attended on a full academic merit scholarship. She graduated with a bachelor’s degree from the University of Florida. She can be reached at kristen@kingstlegal.com. Ext. 107.