Sean Hennessey began practicing law in 1991.Sean Hennessey is an attorney at Law Offices of Sean Hennessey, helping people with Criminal Defense issues. Law Offices of Sean Hennessey has an office in Westminster, California, serving the local community.Sean Hennessey was selected to Super Lawyers for 2006 - 2012, 2014 - 2020. Super Lawyers is an exclusive list of top-rated attorneys in specific practice areas who were chosen after thorough evaluation of numerous criteria.In addition to addressing Criminal Defense legal needs, he also assists clients with Personal Injury - General: Plaintiff issues.