JacquelineVallette (Jackie)


Houston + 1.832.239.3818

With more than a decade of experience, Jackie Vallette represents clients in securities matters ranging from high-stakes investigations and government enforcement proceedings to routine risk management. Jackie's investigatory and advisory work is well complemented by a strong litigation practice. She regularly defends companies and individuals throughout the United States in securities class actions, derivative actions, and M&A litigation. Her experience spans across a range of industries and includes representation of public and private companies in the technology, education, health care, consumer products, financial services, and energy sectors. Previously based in Northern California, Jackie also has experience advising start-ups and other young companies.

Jackie also has extensive experience defending clients facing prosecution by state attorneys general and municipalities and serves as one of the Firm's primary resources on the strategic considerations specific to these matters. Recently, Jackie co-led discussions with a multistate group of attorneys general related to consumer-facing conduct to preserve cooperation credit for one of the world's 10 biggest companies. Jackie's broad experience in securities matters enables her to regularly counsel clients on best corporate compliance practices and the mitigation of risk in dealmaking.

Jackie also devotes time to pro bono matters, including a recent success for a client from Honduras who was permitted to pursue her asylum claim after novel arguments presented to a federal court led to informal resolution of her case. She serves on the Houston Office's diversity committee and is the hiring partner for the Houston Office.


  • Silicon Valley information technology company investigates its international supply chain and network securityJones Day is leading an internal investigation into a multinational information technology company's supply chain and computer network security, and is representing the company in a related SEC investigation.
  • Rivian receives $700 million investment led by AmazonJones Day advised Global Oryx Company Limited and Rivian Automotive Inc. in a $700 million investment led by Amazon.
  • Former CEO of multinational metals and mining corporation represented in SEC investigationJones Day represents the former CEO of a multinational metals and mining corporation in an SEC investigation related to accounting and disclosure issues and a subsequent lawsuit filed by the SEC.
  • Publicly traded energy company general counsel successfully represented in SEC investigation involving financial reporting and disclosuresJones Day successfully represented the former general counsel of a publicly traded energy company in an SEC investigation involving financial reporting and disclosures.
  • Andeavor subsidiary Western Refining Company acquires west coast asphalt terminals from Delek US HoldingsJones Day advised Western Refining Company, L.P. ("WRC"), a subsidiary of Andeavor (NYSE: ANDV), in connection with the acquisition of asphalt terminals from subsidiaries of Delek US Holdings, Inc. for a total consideration of $75 million, plus working capital.
  • Former CEO defends Australian corporate regulator claimJones Day is acting for the former CEO of a metals and mining company in defending proceedings brought by the corporate regulator, the Australian Securities and Investments Commission ("ASIC"), in the Federal Court of Australia.
  • Flowchem acquired by KMG for $495 millionJones Day advised Flowchem LLC, a portfolio company of Arsenal Capital Partners, in its $495 million acquisition by KMG Chemicals, a leading global provider of specialty chemicals.
  • Amedisys settles putative securities class action alleging violation of Section 10(b)Jones Day represented Amedisys, Inc. and certain former officers in connection with a putative class action alleging, among other things, violations of Section 10(b) of the Securities Exchange Act of 1934.
  • Avanir Pharmaceuticals defeats motion for preliminary injunction seeking to enjoin shareholder voteJones Day represented Avanir Pharmaceuticals, Inc. in a motion for preliminary injunction that sought to enjoin a shareholder vote on Avanir's proposed equity compensation plan.
  • Audit committee of networking solutions company involved in internal investigationJones Day represented the audit committee of a networking solutions company in connection with an internal investigation concerning the company's business transactions.
  • Audit committee of energy company involved in internal investigationsJones Day represented the audit committee of an energy company in connection with internal investigations concerning the company’s business transactions, and with respect to related shareholder derivative litigation.
  • Energy services company defends against shareholder class action involving proxy statement disclosuresJones Day represented an energy services company and its directors in a shareholder class action challenging proxy statement disclosures concerning the company's equity compensation plan.
  • Major bank client wins anti-SLAPP motionThe Santa Clara County Superior Court granted an anti-SLAPP motion on behalf of a major bank client of Jones Day.
  • Yamaha prevails in jury trial involving Rhino SxS vehicleAfter a three month trial in the Orange County Superior Court, Complex Division, a jury returned a defense verdict on behalf of Jones Day client Yamaha Motor Co. in a "bellwether" case involving the Yamaha Rhino SxS vehicle.