Chi-A.D. is Hannah Mai Young, formerly known as Dave Young. She started out playing synths for black metal pioneers Venom under the pseudonym VMX. Later well known for being a part of UK Hardtrance act The Secret and Goa act Chi-A.D.

Featuring in a number of Psychedelic DJ Top Ten’s, Hannah Mai Young’s musical vision was to blend the harder more percussive elements of Acid Techno with the uplifting melodic sounds of Goa Trance. November 1997 saw the UK release of her new project, CHI-A.D. with the Virtual Spirit album on Ganesha/Nova Tekk Gmbh, which received strong world-wide reaction by trancers, DJ’s and the Dance Music press. In particular, the track Astral Warrior became a firm favorite in many trance DJ sets. CHI-A.D. has also played a number of parties in the UK and across Europe throughout the summer and latter part of ’98. Originally consisting of Hannah Mai Young and Andy C. they were one of the first psytrance groups to play a completely LIVE P.A.