The modern data stack is becoming increasingly complex, requiring diverse skill sets for effective management. Data engineers, data scientists, database administrators, platform engineers, and data analysts are some of the key roles needed to build a modern data team. Data observability plays a crucial role in monitoring and analyzing data flow within an organization's systems, helping data teams identify and troubleshoot issues. In 2023, trends for building data teams include increased use of AI and machine learning, adoption of cloud-based technologies, utilization of streaming data, and greater integration of data and business processes.