Kaushik Rajan is a Business Intelligence Consultant at Zellis since September 2022, with prior experience as a Consultant 3 at Grant Thornton Ireland and a Data Specialist Manager at Carne Group. With a background as an IT Analyst at Tata Consultancy Services and a Network Analyst at Nokia, Kaushik has developed expertise in data processing, cleansing, and predictive analysis using tools such as R and Tableau. Key achievements include performing site verifications for T-Mobile, conducting parameter audits for Nokia LTE systems, and utilizing query languages like SQL, Hive, and Pig. Kaushik holds a Post Graduate Diploma in Data Analytics from the National College of Ireland and a Bachelor of Engineering in Electronics and Communications Engineering from Anna University Chennai.