David Moses Jassy, also known as Dawda, is a Swedish musician, songwriter and music producer of mixed Gambian and Estonian origin. With Andrés Avellán, he was part of a Swedish R&B hip hop duo, Navigators in the late 1990s. After split up of the group, Jassy went on to writing music and producing a number of international acts such as Ashley Tisdale, Britney Spears, Sean Kingston, Eve, No Angels, Mohombi, Darin, Charice, Ilya Salmanzadeh and Heidi Montag. He is the founder of Jassy World Entertainment, a music production and publishing company.