Stephen P.Parrinello (Steve)


New York + 1.212.326.8377

From diligence and structuring through post-transaction integration, Steve Parrinello has brought creative solutions to the table when helping clients navigate byzantine tax rules in some of their most complex transactions. He also regularly advises global clients in creating and maintaining efficient cross-border arrangements, collaborating with other tax lawyers in Jones Day's offices all over the world. He is called upon regularly by clients to answer critical tax withholding and reporting questions, as well as by the Firm's litigation lawyers on the tax consequences of judgments and settlements.

Steve's experience runs the gamut, including representations of multinational corporations in billion dollar taxable and tax-free strategic acquisitions and dispositions and long-standing representations of private equity funds that focus on middle-market equity and debt investments. Steve also regularly advises tax-exempt entities on a pro bono basis, including the No Greater Sacrifice Foundation.


  • Nordson Corporation acquires CyberOptics CorporationJones Day advised Nordson Corporation in the acquisition of CyberOptics Corporation, a leading global developer and manufacturer of high-precision 3D optical sensing technology solutions.
  • J.F. Lehman & Company acquires USA EnvironmentJones Day advised J.F. Lehman & Company in the acquisition by portfolio company, ENTACT, LLC, of USA Environment, LP and its affiliates.
  • Tecum Capital invests in Keystone FoamJones Day advised Tecum Capital in its investment in Keystone Foam PA, LLC, formerly known as Keystone Foam Corporation, a fabricator of proprietary custom foam products for various end markets.
  • Engage PEO acquires Fusion Employer ServicesJones Day advised Engage PEO in the acquisition of Fusion Employer Services, a Lawrenceville, New Jersey-based professional employer organization which has deep roots in the New Jersey market and a reputation for high-quality specialty services, including payroll and tax, human resources management, a full range of benefits, 401(k), and workers' compensation.
  • ACI Worldwide divests corporate online banking solutionsJones Day advised ACI Worldwide, Inc. in the $100 million divestiture of its corporate online banking solutions to One Equity Partners.
  • RIA Advisory receives strategic investment by Avance Investment ManagementJones Day advised RIA Advisory in the strategic investment by Avance Investment Management.
  • Engage PEO acquires CEOHR, Inc.Jones Day advised Engage PEO in the acquisition of CEOHR, Inc., a Sarasota, Florida-based professional employer organization.
  • Investor Group of Apollo, J.F. Lehman & Company and Hill City Capital acquires Atlas Air Worldwide for $5.2 billionJones Day is advising J.F. Lehman & Company and Hill City Capital in their participation in a consortium with Apollo to acquire Atlas Air Worldwide (NASDAQ: AAWW) in an all cash transaction with an enterprise value of approximately $5.2 billion. Upon completion of the transaction, Atlas Air Worldwide will become a privately held company.
  • High Road Capital portfolio company acquires Elite Technologies & CommunicationsJones Day advised High Road Capital Partners in connection with its acquisition by portfolio company Exponential Power, Inc. of Elite Technologies & Communications, Inc. (Elite Tech), expanding the company's position as an industry leading supplier of DC power, products, solutions, and services.
  • Sensata Technologies acquires DynapowerJones Day advised Sensata Technologies (NYSE: ST), a leading industrial technology company and provider of sensor-rich solutions and insights for customers, in connection with its acquisition of Dynapower Company, LLC, a leading provider of energy storage and power conversion systems, from private equity firm Pfingsten Partners for $580 million in cash.
  • Meridian Bioscience agrees to be acquired by SD Biosensor and SJL Partners in $1.53 billion all-cash transactionJones Day is advising Meridian Bioscience, Inc. in its $1.53 billion all-cash acquisition by SD Biosensor and SJL Partners.
  • Cardinal Health acquires the Bendcare CPO-GPO entity and makes a minority investment in the Bendcare MSOJones Day advised Cardinal Health, Inc. in the acquisition of the Bendcare group purchasing organization (CPO-GPO) entity and a minority investment in the Bendcare management services organization (MSO).
  • American Industrial Partners portfolio company Vertex merges with VectrusJones Day advised Vertex Aerospace, a portfolio company of American Industrial Partners, in its stock-for-stock merger with Vectrus, Inc. (NYSE: VEC), at an implied value for Vertex of approximately $2.1 billion.
  • Infobase receives majority investment from Northlane Capital PartnersJones Day represented Centre Lane Partners, LLC in connection with the majority investment from Northlane Capital Partners in Infobase.
  • Verizon sells former Yahoo small business portfolioJones Day advised Verizon in the sale of the former Yahoo small business essentials portfolio to Infinite Computer Solutions.
  • Major distributor of alcoholic beverages amends and extends $75 million revolving credit facilityJones Day represented a major distributor of alcoholic beverages in connection with an amendment and extension of it $75 million revolving credit facility with Wells Fargo Bank, National Association, as administrative agent.
  • EagleTree backed companies, Arc and The Channel Company, acquire Incisive MediaJones Day advised EagleTree portfolio companies, Arc and The Channel Company, in the acquisition of Incisive Media.
  • J.F. Lehman portfolio company acquires InlinerJones Day advised long-standing client J.F. Lehman & Company, a leading mid-market private equity firm focused on the defense, aerospace, and maritime sections, in connection with the acquisition by portfolio company Inland Pipe Rehabilitation of Inliner, a leading, vertically integrated provider of trenchless pipe rehabilitation solutions addressing wastewater and storm water infrastructure, from Granite Construction Incorporated.
  • Goode Partners invests in JOCKO FUELJones Day advised Goode Partners LLC in its $30 million minority investment in JOCKO FUEL, a disruptive and rapidly-growing provider of premium sports and lifestyle nutritional products.
  • EagleTree Capital portfolio company acquires bChannelsJones Day advised EagleTree Capital in connection with the acquisition and financing by portfolio company The Channel Company of bChannels, a leading global marketing and data services agency specializing in the technology channel.
  • Speaking Engagements

    • June 2015
      Mergers & Acquisitions: Dissecting the Purchase Agreement and Tracking Due Diligence, 2015 Tax Executive Institute Region III Conference, Foxwoods Resort and Casino