Attorney Sean M. Sweeney helps individual and institutional investors who have been the victim of
Securities Fraud or Stock Broker misconduct recover their funds. Sean also represents stockbrokers for investigations by FINRA and disputes with their employers regarding non-competes, promissory notes, and allegations of breach of contract made by their employers. He is a shareholder at the law firm of Halling & Cayo, S.C. in Milwaukee WI focusing his practice on commercial litigation and FINRA Arbitration. Sean earned his Juris Doctor (JD) and Masters of Business Administration (MBA) from Marquette University. He earned his Bachelor of Science degree in Business Economics from Attorney Sean M. Sweeney helps individual and institutional investors who have been the victim of Northern Arizona University.
Sean has obtained recognition in the legal community for his ability to quickly understand the issues in a case and effectively represent his clients. In 2011, 2012, 2013 2014, 2015, 2016, and 2017 Sean was named to the Wisconsin Super Lawyers® Rising Stars list as one of the top attorneys in Wisconsin. No more than 2.5% of the lawyers in the state are selected to the list. In 2012, 2013, 2014, 2015, 2016 and 2017 Sean was named to M: Milwaukee’s Lifestyle Magazine’s Leading Lawyers for Litigation. Leading Lawyers only selects those attorneys ranked in the top 2-5% for each category. In 2013 Sean was selected as an “Up-And-Coming-Lawyer” by the Wisconsin Law Journal.
Sean has been a member of PIABA since 2011.