Piotr Kalański,

Big Data Engineer Team Leader at StepStone responsible for group data platform providing access to raw and/or prepared data and enabling data exploration of large data volumes with tools like R, Python, Spark, Hadoop, Redshift. Previously, he was a consultant at Accenture participating in implementation of  Enterprise Fraud Management system for large Polish Bank. Before that, he was an application manager of in-house CRM system in Kredyt Bank.