David A. Grennan

David A. Grennan is a personal injury attorney based in Sioux Falls, South Dakota practicing at May & Johnson, P.C.. University: University of Notre Dame, B.B.A., 2005 Law School: Creighton University School of Law, J.D., 2009 Admitted: 2009, South Dakota; 2010, U.S. District Court, District of South Dakota Memberships: State Bar of South Dakota, Second Judicial Circuit Bar Association, U.S. District Court, District of South Dakota, South Dakota Defense Lawyers Association, Defense Research Institute Mailing ISLN: 921889050