Karthikeyan Rajasekaran

Karthikeyan (Karthik) Rajasekaran is an award-winning Principal Engineer and Enterprise Architect with over 20 years of experience delivering large-scale technology transformations across the U.S. and global markets. With dual Master’s degrees in Computer Science and Mathematics from IIT Kharagpur and IIT Madras, Karthik combines academic excellence with real-world impact in AI/ML, cloud architecture, and enterprise systems. At Ancestry.com, Karthik leads AI-driven initiatives including a Retrieval-Augmented Generation (RAG) system that improved customer support accuracy by 40%, and an Apache NiFi-based event processing platform that saved $500K annually. He architected a GDPR-compliant User Data Deletion Service and built a Customer Data Platform (CDP) that generated over $2M in marketing gains through integrations with Salesforce, Google, and Meta. His earlier work at Mitchell International and AudaExplore focused on microservices ecosystems, DevOps automation, and enterprise logging platforms. At IBM, he was selected for the prestigious Corporate Service Corps and led digital modernization for manufacturing clients in Europe and government initiatives in Egypt. Karthik has received the P&T Innovation Award, CEO Award Nomination, and multiple client and organizational excellence awards. His leadership in infrastructure cost optimization has delivered over $1.2M in annual savings, while his mentorship has scaled teams across U.S. and offshore locations. With certifications in AWS, Secure Coding, and Gen AI, Karthik remains a pioneer in building scalable, intelligent systems. His career reflects a sustained commitment to innovation, technical leadership, and business-aligned engineering strategy.