Rand Miller is a C.E.O. and co-founder of Cyan Worlds. He and his brother Robyn Miller became famous due to the success of their computer game Myst, which remained the all-time best-selling computer game from its release in 1993 until that record was surpassed by The Sims nearly a decade later. Rand also worked on the game's sequel, Riven, and later reprised his role as protagonist Atrus in Myst III: Exile; realMyst; Uru; Myst IV: Revelation; and Myst V: End of Ages. He also co-authored Myst novels The Book of Atrus, The Book of Ti'ana, and The Book of D'ni.

Cyan, Inc., also known as Cyan Worlds, Inc., is an American video game developer and publisher based in Mead, Washington. Founded as Cyan Productions by brothers Rand and Robyn Miller in 1987, the company created the Myst series.