Jack Gilinsky Profile | Contact details (Phone number, Instagram, Twitter, Facebook)- Jack Gilinsky is a musician who is collaborated with Jack Johnson and they are known as Jack and Jack Pop Rap Duo. Recently, they have donated $500 to World-Herald’s Goodfellow Charity. Gilinsky has performed at the Jingle Ball 2016. We know that his fans want to contact him. His fans can easily contact him via the given information.