Constantine Allen was born in Indianapolis, Indiana, USA. He soon moved to Hawaii before his first birthday and started his dancing at age 5. He studied at Pacific Ballet Academy and Ballet Hawaii as he grew up in Honolulu, Hawaii.
In 2007 at the Youth American Grand Prix competition, he was awarded the bronze medal at the New York finals in the junior category and also received a full scholarship to the Kirov Ballet Academy. He studied at the Kirov Academy with Vladimir Djoulouhadze and Anatoli Kucheruk between 2007 and 2010. At the New York finals in 2008 he was awarded the bronze medal in the junior category. In 2010 he went to John Cranko Schule and studied with Peter Pestov and Tadeusz Matacz. In 2011 he participated in the Tanzolymp Competition in Berlin, Germany and was awarded the Grand Prix. Soon after graduating he joined the Stuttgart Ballet company in 2012 as a member of the Corp de Ballet. Six months later he was promoted to Demi Soloist. In 2014 he was promoted to Principal Dancer. In the season of 2017/18 he joined Les Grands Ballets des Canadiens.
Constantine was a guest soloist with the Dutch National Ballet last February in Alexei Ratmansky's Don Quichot. At the beginning of season 2018, he joined the Dutch National Ballet as Principal Dancer.
- With Dutch National Ballet since: 2018
- Place of Birth: Indianapolis (Indiana, USA)
- Career with Dutch National Ballet: Principal (2018)
- Training: Pacific Ballet Academy, Ballet Hawaii, Kirov Ballet Academy, John Cranko Schule
- Career: Stuttgart Ballet, Les Grands Ballets des Canadiens