The only alias he is known under is "Bent Sten", which he used for some later Capitol work, among other things.
Another fun fact - he wrote the title song for the Burt Reynolds film "Hooper".
It seems he's very much alive and even still active as composer/musician, now residing in California.
He has a website, with some images and history about him and his journey from Denmark to the US:
hxxps://visionears.com/history/
- It even has some cool studio photos from back then:
A great setup! I spot a Rhodes, Prophet-5, a Roland TR-808 and a TEAC 80-8 among the gear.
edit: Heck, another related fun fact!
"Piece of Cake" served as the opening theme to the 1985 Mexican action film "Escuadrσn de la Muerte":