Sand was born in Burbank, California. He has dual American and Danish citizenship, since his father is Danish. He is married to Jenni Meno, with whom he has two sons, Jack, born in 2004, and Matthew Kenneth, born on August 14, 2006.
In 1985, Sand began competing as a pair skater with Lori Blasko, representing the United States. They were the 1985 U.S. national bronze medalists on the junior level.
Sand teamed up with Natasha Kuchiki in spring 1989. They won three senior pairs medals at the U.S. Championships, including gold in 1991, and competed at three World Championships, winning bronze in 1991. They also competed at the 1992 Winter Olympics, where they placed 6th. Kuchiki and Sand announced the end of their partnership in April 1992.
Meno and Sand teamed up on the ice in April 1992. They won three national titles, three medals at the World Championships, and competed in two Olympic Games. Following their retirement from competitive skating, they skated professionally in the Stars on Ice tour for six seasons.