New York + 1.212.326.3634

JoAnna Tonini represents and advises employers in a variety of complex labor and employment matters, including wage and hour litigation, employment discrimination, harassment, and retaliation claims. Her litigation experience includes claims arising under the Fair Labor Standards Act (FLSA), Title VII of the Civil Rights Act, the Age Discrimination in Employment Act (ADEA), and other federal, state, and local employment laws.

In addition, JoAnna advises clients regarding compliance with employment laws and employment-related diligence on transactions, including counseling on noncompete and nonsolicitation agreements, confidentiality agreements, independent contractor agreements, employee handbooks, and employee leave policies.

JoAnna maintains an active pro bono practice by advising nonprofit organizations on employment practices and representing clients in family law, divorce, and immigration matters.

Prior to law school, JoAnna worked as a wage and hour investigator at the U.S. Department of Labor, Wage and Hour Division, where she handled a wide range of cases involving the federal minimum wage, overtime pay, recordkeeping, and child labor provisions of the FLSA. She also has broad enforcement experience in the Family and Medical Leave Act (FMLA), the Migrant and Seasonal Agricultural Worker Protection Act (MSPA), and the prevailing wage requirements of the Davis-Bacon and Related Acts (DBRA).


  • PolyOne acquires Clariant color and additive masterbatch business for $1.5 billionJones Day advised PolyOne Corporation in the $1.5 billion purchase of Clariant’s global color and additive masterbatch business.
  • J.F. Lehman portfolio company acquires Heneghan Wrecking CompanyJones Day advised NorthStar Group Services, Inc., a portfolio company of investment affiliates of J.F. Lehman & Company, in connection with the acquisition of Heneghan Wrecking & Excavating Co., Inc. and Patrick's Equipment Leasing, Inc., providers of complete structural and interior deconstruction, excavation, and emergency response services for commercial and industrial clients across the Midwest.
  • J.F. Lehman acquires Integrated Global ServicesJones Day advised long-standing client J.F. Lehman & Company, a leading middle-market private equity firm focused exclusively on the aerospace, defense, maritime, government, and environmental sectors, in the acquisition and related financing of Integrated Global Services, Inc. ("IGS").
  • Aetna summary judgment win and dismissal of nationwide putative wage-hour class action affirmed by Second CircuitJones Day secured a victory on behalf of Aetna Life Insurance Company at the Second Circuit Court of Appeals, who affirmed summary judgment in favor of Aetna and the dismissal of a nationwide collective action under the Fair Labor Standards Act.
  • CORSAIR® acquires SCUF Gaming®Jones Day advised CORSAIR® in connection with the acquisition and related financing of high-performance controller pioneer SCUF Gaming "SCUF®" and its extensive patent portfolio.
  • Cortec Group acquires Enthusiast Auto HoldingsJones Day advised the Cortec Group in connection with the acquisition and related financing of Ohio-based Enthusiast Auto Holdings, LLC and its subsidiaries, an e-commerce distributor of automobile aftermarket and performance parts, including for Audi, BMW, Mercedes, Porsche, and Volkswagen.
  • BBA Aviation sells Ontic for $1.365 billionJones Day advised BBA Aviation plc ("BBA") in the sale of its Ontic business to an investment fund affiliated with CVC Capital Partners for $1.365 billion.
  • J.F. Lehman portfolio company acquires Wenzel Associates, Inc.Jones Day advised long-standing client J.F. Lehman & Company, a leading mid-market private equity firm focused on the defense, aerospace, and maritime sectors, in connection with the acquisition by portfolio company BEI Precision Systems & Space Company, Inc., of Wenzel Associates, Inc., a designer and manufacturer of crystal oscillators, fixed frequency systems, integrated microwave assemblies, and synthesizers for military, space, and commercial markets.
  • PPC Flexible Packaging acquires Popular Ink, LLCJones Day represented Morgan Stanley Capital Partners and its portfolio company, PPC Flexible Packaging, LLC, in PPC's acquisition and related financing of Popular Ink, LLC, a leading provider of custom printed flexible packaging for the consumer products market throughout the United States.
  • Misonix acquires Solsys Medical, LLC for $109 millionJones Day advised Misonix, Inc. in its acquisition of Solsys Medical, LLC, a privately held regenerative medical company, in an all-stock transaction valued at approximately $109 million.
  • Hard Rock International acquires JACK Cincinnati Casino and Turfway Park for $745 millionJones Day advised Hard Rock International on the acquisition of JACK Cincinnati Casino, located in downtown Cincinnati, Ohio, together with VICI Properties, Inc., and Turfway Park, located in Florence, Kentucky, for an aggregate purchase price of approximately $745 million in cash.
  • Airtech acquires Champion Valves Inc. and Valve & Pump Specialties, Inc.Jones Day advised Airtech Group, a portfolio company of EagleTree Capital, in connection with the acquisition and related financing of Champion Valves Inc. and Valve & Pump Specialties, Inc., a designer, assembler, and distributor of industrial check valves and butterfly valves.
  • Speaking Engagements

    • April 3, 2019
      PLI's Psychological Issues in the Workplace 2019
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