Kevin Hissink (aka Boonn) is a Dutch producer, composer, guitarist and the co-writer of the singer grandson. He’s been grandson’s long-time producer for his music, and is also known for his role as a composer and lyricist of Nicki Minaj’s August 2011 song called ‘'Fly’', which reached #9 on the Billboard Hot 100, aswell as reaching the top boards in other countries, such as Ireland, The UK, Australia and New Zealand.
Boonn received a 10.000$ cheque in 2019 – alongside his co-partner KRUPA and grandson – for winning the SOCAN Songwriting Contest for his work on grandson’s October 2017 hit called “Blood // Water”.