Tinx (Christina Najjar) is Tinx, is a writer and content creator and the the unofficial 'big sister' of TikTok. Raised in England by American parents, Tinx attended all-girls schools where she was introduced to the importance of female friendships and solidarity. She carried that with her to Stanford University where she studied English literature and creative writing while serving as president of her sorority. She went on to receive her Masters in fashion journalism from Parsons School of Design before becoming a freelance writer. The Shift is her first book.