Andersen started riding at an age of 10 and became involved in dressage after he met
Morten Thomsen, a Danish Olympian, who is from the same village as Daniel. Later he trained horses in Germany. After his riding career in Germany, he started working for Andreas Helgstrand. In 2014 he started for Blue Hors where he became successful with horses such as Zack, Don Olymbrio, Zepter, Loxana and Hotline. He became Danish national champion in 2019, fourth during the World Cup Finals in Göteborg and seventh in the individual freestyle during the European Championships in Rotterdam that same year. He was also 10th in the World Ranking with Zack. In 2020 he decided to go independent and to leave Blue Hors stud. Andersen won a team gold medal at the
2022 World Championships, which were held in
Herning,
Denmark. ==Personal life==