David Nathaniel Kerzner is an American musician, songwriter, producer, and sound designer as well as founder of the sound sampling development company Sonic Reality Inc. Along with Simon Collins, Kerzner is the co-founder of the band Sound of Contact. He is also the co-founder of the band Mantra Vega. His debut solo album, New World, was released in December 2014.

William Wyman Sherwood is an American multi-instrumentalist, songwriter, singer, record producer and mixing engineer. He is best known for his tenures in the English progressive rock band Yes as guitarist and keyboardist in 1994 and from 1997 to 2000 and as bassist since 2015, following the death of original bassist Chris Squire. He is also known for working with former and current Yes members on other projects.