Darius A. Monsef IV (born September 26, 1981 in Honokaa, Hawaii) is an internet entrepreneur & philanthropist known most widely as the founder of the design community and co-founder & board member of the All Hands Volunteers international charitable organization. As an alumnus of Y Combinator and mentor with 500 Startups & PIE PDX, Monsef is an active participant in the internet startup community. He is also the author of the book Color Inspirations, published in 2011 by F+W Media and was named a "Design Visionary to Watch" by House Beautiful Magazine.