Meet 5 Architects, Innovators, and Leaders Behind MongoDB’s Community

In the fall of 2025, MongoDB.local London brought together developers, data architects, and innovators for an educational conference focused on data-driven application development, featuring keynote speeches, technical sessions, product demos, and networking opportunities. The event highlighted the contributions of MongoDB Community Champions, passionate experts who share their knowledge and experiences. Among them, Patrick Pittich-Rinnerthaler from the UK emphasized MongoDB's flexibility, Mateus Leonardi from Brazil shared his journey from skepticism to advocacy after transitioning to MongoDB Atlas, Nenad Milosavljević from Flatfee praised its schema adaptability, and Carla from a major financial group in Iberia discussed MongoDB's impact on IT asset tracking and compliance. Additionally, Xiao Lei Dai from Zhihu in China detailed the platform's reliance on MongoDB for managing large data clusters and anti-spam systems. These champions not only advance their organizations but also foster a global community through mentorship, blogs, and events.