Josh Koskoff

Koskoff was raised in Connecticut. Both his father and grandfather were attorneys with Koskoff, Koskoff & Bieder, and he has recounted eating breakfast provided by his grandfather's client and mobster Frank Piccolo and being babysat by another client who was a member of the Black Panthers.^[1][2]

He attended the Syracuse University before earning his JD at Suffolk University Law School.^[3]

He is best known for representing the families of victims of the Sandy Hook Elementary School shooting in their lawsuit against Remington Arms.^[4][5] He became involved in the Sandy Hook case after meeting a friend of one of the victims.^[1] The case resulted in a 73 million dollar settlement,^[6] the largest payout by a gun manufacturer in a mass shooting case.^[7] He also represented families against Alex Jones in regards to the Sandy Hook case.^[8]

He has also filed suit against Harvard University for the daguerrotypes of Renty Taylor and his daughter, Delia,^[1] which the university ultimately agreed to release.^[9] He represented the families of Uvalde school shooting victims in a lawsuit against Meta, Activision, and Daniel Defense,^[7] and in a lawsuit against the city of Uvalde, Texas which ended in a settlement.^[10][11] He also represented women who alleged the Yale University reproductive clinic provided them saline instead of painkillers. This also ended in a settlement.^[12]

He filed an amicus brief in support of law firms during the Targeting of law firms and lawyers under the second Trump administration.^[13] He has also discussed similarities between the Sandy Hook shooting and the 2022 Buffalo shooting.^[14]

His role in the Sandy Hook shooting lawsuit is set to appear in a TV series about the case.^[4]

He was named to the Time 100 in 2025: his profile was written by U.S. Senator Chris Murphy.^[15]