Aleksander Callebat is a skilled Cloud Architect at Databricks and previously served as CTO and co-founder of Fix That Shirt. With a background as a Data Scientist at both Microsoft and The School Project, Aleksander also conducted field research on Chinese ride-sharing in collaboration with Shanghai Jiao Tong University and PSA Peugeot Citroën. Aleksander holds a degree in Applied Mathematics and Computer Science from École Polytechnique and a Master 2 in Data Science from Polytechnique, ENSAE, and Télécom.