Simon was born in Brisbane, Australia, on March 14, 1964. Francois Johan Walter van Kempen (father) and Elaine van Kempen are his parents (mother). He also has an older brother, Adam van Kempen.
In terms of his education, he attended high school in both Brisbane and Sydney. In the year 2019, he received his associate degree in law from Southern Cross University. Simon has wanted to be a lawyer since he was 18, according to his wife, Alex, but due to his experience, he chose the hotel and hospitality industry. He is an American, an Australian, and a Dutch citizen, but his ethnicity is uncertain.