Complex sentence: He founded the Demartini Institute and has trademarked certain methodologies in human development, the primary two being the "Demartini Method" and the "Demartini Value Determination Process", and has also written for "The Huffington Post".
Split into simpler sentences: He founded the Demartini Institute and has trademarked certain methodologies in human development, the primary two being the "Demartini Method" and the "Demartini Value Determination Process". He has also written for "The Huffington Post".