J.D. Lenzen is the creator of the highly acclaimed YouTube channel "Tying It All Together" (youtube.com/tyingitalltogether), and the producer of over 250 instructional videos. He's been formally recognized by the International Guild of Knot Tyers (IGKT) for his contributions to knotting, and is the originator of fusion knotting the creation of innovative knots and ties through the merging of different knot elements or knotting techniques. He lives and works in San Francisco, California.