His best known works include Lady Bird Transformation(mirage), a public sculpture for Busan Cinema Center,[1] South Korea, commissioned in 2011 and erected in August 2012.

After the death of his Stepfather, Klaus Komoll, who left him a small sailing vessel, he was able to circumnavigate the world between 1988 and 1990 in order to study the tribal art of the pacific islands and Papua New Guinea.

From 2008 to 2012, Ralf Sander worked as professor for sculpture at Seoul National University, South Korea.

In 2008, he started the World Saving Machine cycle, a visionary project and inquiry of the impact of science on wider cultural contexts.

The 10.20m stainless steel sculpture, Lady Bird Transformation, morphs from a striding woman into a sea gull in flight, depending on the angle from which it is viewed.