Alexander Declercq (1998) began his piano studies at the Stedelijk Conservatorium in Bruges under the guidance of Ann Roelens (and later Timur Sergeyenia). Two years later, he embarked on his clarinet studies with Filip Demeyer (later with Vlad Weverbergh and Geert Baeckelandt). He continued his musical journey at the Royal Conservatory of Brussels in the classes of Jan Michiels and Benjamin Dieltjens. After achieving both of his master's degrees Summa cum Laude, he further specialized at the Hochschüle für Musik und Tanz in Cologne under the tutelage of Sheila Arnold. There, he also received coaching in chamber music from Robert Kulek and Anthony Spiri. Additionally, he obtained his bachelor's degree in music notation from KCB.