Jenner & Block


Mr. Siros’ recent representations include:

  • Served as lead environmental counsel to General Dynamics Corporation in a multi-plaintiff personal injury toxic tort proceeding arising out of historical operations in Florida.
  • Served as lead environmental counsel to Kraft Foods Global, Inc. in a class action property damage toxic tort proceeding arising out of a capacitor manufacturing operation in Indiana.
  • Represented a chemical company in a CERCLA-cost recovery action brought by the New York State Attorney General alleging “arranger” liability arising out of the sale of perchlorethylene to a bulk distributor.
  • Successfully obtained dismissal of global entity in personal injury toxic tort litigation alleging birth defects as a result of alleged glyphosate exposure.
  • Represented several Fortune 100 companies in CERCLA allocation proceedings relating to historical operations at former defense facilities.
  • Represented global manufacturing company in environmental aspects of acquisition of $5.5 billion acquisition of global chemical manufacturing company.
  • Representing defense contractor in pending regulatory proceeding relating to 1,4-dioxane impacted drinking water.
  • Defending aerospace company in pending RCRA citizen suit proceeding relating to an allegedly impacted drinking water supply at a former aircraft manufacturing plant.
  • Defending railroad in environmental matter in federal court relating to historical indemnities at Superfund site.
  • Successfully represented Fortune 50 company in environmental insurance recovery matter involving several hundred sites.
  • Served as lead environmental counsel responsible for environmental due diligence in $9.6 billion transaction.