Boris Bialek, former customer of MongoDB, shares his journey from working as a customer to joining MongoDB as Head of Innovation in EMEA. He began by delivering new product releases every six months and felt the need for a career change that would be more engaging. This led him to move into a client-facing role at MongoDB, where he could utilize his experience and passion for the company. Bialek's background includes working with relational databases and SQL, and he was drawn to MongoDB's document-based database concept. He successfully implemented MongoDB in his previous company, improving performance by 5X compared to their original SQLServer setup. After being a customer for three years, Boris decided to join MongoDB as Head of Innovation, EMEA, where he assists enterprise clients with their data journey and helps develop the team's culture and growth opportunities.