Daniel Leonard Nigro is an American songwriter and producer. He is the former lead singer and guitarist of the indie rock band As Tall As Lions. Alongside collaborators Ariel Rechtshaid and Justin Raisen of Heavy Duty Music, Nigro has written and produced for Carly Rae Jepsen, Sky Ferreira, Empress Of, Lewis Capaldi, Conan Gray, Olivia Rodrigo and more. He moved on to a solo project called “Blocks”.