Kenneth Sansone

Ken Sansone is the senior partner at SL Environmental Law Group PC, where he exclusively represents states, municipalities, utilities, airports and private entities in contamination lawsuits, including claims over PFAS, 1,4-dioxane, perchlorate and 1,2,3-Trichloropropane (TCP). As part of his work at SL Environmental Law Group, Sansone is actively involved in representing more than 300 entities in the Aqueous Film-Forming Foam multi-district litigation against PFAS manufacturers.

He has also obtained more than $155 million in recoveries for water systems to treat TCP, a toxic contaminant from defective pesticides sold by Shell Oil and Dow Chemical.

Sansone served as lead trial and appellate counsel to the city of Pomona, Calif., for which he obtained a $30.2 million recovery for the costs of cleaning up perchlorate contamination from the use of tainted fertilizer products made by SQM, a multinational mining company.

Prior to joining SL, Sansone served as an assistant attorney general for the state of New Hampshire.  He has more than 20 years of experience handling complex civil and criminal cases in federal and state trial and appellate courts.

He received his law degree from New York University and his undergraduate degree, magna cum laude, from Duke University, where he was alternate captain of the men's ice hockey team. Sansone is licensed to practice law in California, Massachussetts and New Hampshire.