Shamal is a senior software consultant and educator with 20+ years of experience. He has an MBA from London Metropolitan University and a graduate diploma in IT from the British Computer Society. He also holds professional certification from the Australian Computer Society. Shamal hails from Sri Lanka and loves listening to English, Spanish, and Sinhalese songs.

Radu works as a full-time data engineer. He loves SQL and anything data-related. In his spare time, he likes to put his data to work by building data pipelines. He even trains machine learning models to predict the best time of the day to drink his coffee. He also enjoys helping others and sharing his knowledge on our blog and Stack Overflow.