About
Daniel A. Manna is a civil litigator at Gass Turek LLC whose practice includes appellate work, class actions, commercial litigation, construction law, regulated industries, and real estate litigation. He represents clients in state and federal courts and private arbitration. His experience covers securities litigation, products liability, consumer law, insurance coverage disputes, statutory health care privacy law, civil rights claims, and general commercial disputes involving complex legal and factual issues.
Manna earned a J.D. from Columbia Law School in 2008 and was a Harlan Fiske Stone Scholar during all three years. He received a B.B.A. in Finance, Investment, and Banking, with honors, from the University of Wisconsin-Madison in 2005. His legal and finance education supports detailed analysis of commercial disputes, damages, business records, contractual issues, and appellate questions arising in complex litigation.
Manna has represented major companies in litigation and arbitration across several jurisdictions. His work includes defeating class certification in a securities fraud action, winning summary judgment in personal injury and privacy-related cases, and securing appellate victories. He has handled matters before the Wisconsin Court of Appeals, Supreme Court of Wisconsin, and US Court of Appeals for the Seventh Circuit, giving his practice substantial trial and appellate depth.
Daniel A. Manna has been recognized by Best Lawyers for Appellate Practice, Commercial Litigation, and Litigation – Real Estate, and by Benchmark Litigation as a Local Litigation Star. He has served as a managing member of Gass Turek and as co-chair of the Milwaukee Bar Association’s Civil Section. His practice combines courtroom advocacy, motion work, appeals, and practical strategy in high-stakes civil disputes.
Law Office Affiliations
- Attorney, Gass Turek LLC
- Member, State Bar of Wisconsin
- President, Wisconsin Chapter, International Network of Boutique and Independent Law Firms
- Co-Chair, Civil Section, Milwaukee Bar Association
- Fellow, American Bar Foundation
- Member, Defense Research Institute (DRI)
- Member, Board of Directors, Junior Achievement of Wisconsin
- Member, Serjeants’ Inn Milwaukee Chapter
Licensed State
- Wisconsin
Education
- Columbia Law School
Juris Doctor (JD) - University of Wisconsin-Madison
Bachelor of Business Administration (BBA) in Finance, Investment, and Banking
Awards & Badges




- Alternative Dispute Resolution
- Appeals
- Arbitration
- Business Litigation
- Class Action
- Construction & Development
- Health Care
- Insurance Claims
- Lawsuits & Disputes
- Litigation
- Personal Injury
- Products Liability
- Property Disputes
- Real Estate
- Securities Litigation





