AI Leader & Data Science Expert
Perumal Kumaresa
Head of Data Science and AI @ Reply UK
“Hardwork + Consistency + Focus”
Empowering businesses through data-driven strategy, AI innovation, and relentless execution. 10+ years of experience transforming organizations with cutting-edge AI solutions.
10+
Years Experience
20+
AI Experts Led
50+
Projects Delivered
6+
Years at Reply
About Me
Over a decade of experience transforming businesses through AI and data science
I am a Senior Manager at Reply UK, part of Reply Group, where I head the Data Science and AI business unit. I support customers throughout their digital transformation journey by generating business value through Data and AI.
AI Strategy & Delivery
End-to-end advisory on Traditional ML, Advanced AI, and Agentic AI. From strategic ideation and workshops to MVP development and enterprise scale deployment.
Marketing Innovation
Pioneering AI-driven marketing through Synthetic Audiences, LLM Council, AI-enabled Customer Journey optimization, and Content Effectiveness measurement.
Retail Analytics
Comprehensive retail solutions including Demand/Sales Planning, Price and Promo Optimization, and Personalization Systems that drive measurable business outcomes.
Scaling AI Solutions
Expert in MLOps and AgentOps to help customers transition from prototype to production. Building robust, scalable AI infrastructure for enterprise deployment.
“My mission is to empower businesses with data-driven insights and solutions that enhance their performance and competitiveness. I am also passionate about entrepreneurship and exploring new avenues for growth and impact.”
Experience
Professional Journey
A track record of delivering AI solutions and leading teams across diverse industries
Mar 2026 - Present
Senior Manager
Reply UK • London, UK
Leading the Data Science and AI business unit, driving presales, innovation and technical implementation for enterprise clients.
Oct 2022 - Mar 2026
Manager
Reply UK • London, UK
Technical Manager heading presales, innovation and tech implementation. Leading the Reply Community of Practice on Synthetic Data globally.
Feb 2021 - Oct 2022
Senior Data Science Consultant
Reply UK • London, UK
Pre-sales activities, AI strategy recommendations, and leading POCs for enterprise clients. Built sales forecasting solutions for top retail brands.
Aug 2019 - Feb 2021
Data Science Consultant
Reply UK • London, UK
End-to-end pipeline development with COVID-19 impact analysis and demand forecasting using LSTM and Prophet for major retail brands.
Mar 2017 - Aug 2019
Data Scientist | IDP
Wave Health Technologies • UK
Spearheaded Intelligent Document Processing solution for insurance clients. Built ML models and NLP pipelines for medical records processing.
Education & Credentials
Academic Background & Certifications
Education
Master's Degree
DistinctionData Science and Analytics
University of London
Bachelor of Engineering
Computer Engineering
Anna University
Certifications
AI Evals For Engineers & PMs - Maven (2025)
AWS Certified Machine Learning - Specialty
Databricks Certified Associate Developer for Apache Spark 3.0
AWS Partner: Generative AI Essentials (Business)
Evaluating Large Language Model Outputs: A Practical Guide
Strategic Leadership: Visionary Skills for Success
Honors & Awards
National Level Athlete
Best Athlete Award
Best Project - Staples Gap Assortment
Recommendations
What Colleagues Say
Trusted by colleagues and partners across the industry
“Perumal has been part of my business unit pretty much since its beginning and has been fundamental in its growth and development. I have always been impressed with his remarkable drive, his energy, his deep technical knowledge and skills, his speed in delivery, his reliability and his ability to establish genuine relationship with the ecosystem of people around him. I would happily recommend Perumal.”
“SK Perumal is one of the hard and smart working person I have seen. He quickly grasps the technology and provides expected results. We were working together for one of the projects and I find him very energetic and enthusiastic through out the project. Really glad to work with him.”
Get In Touch
Let's Work Together
Ready to transform your business with AI and data science? Book a free consultation, brainstorm ideas, or explore partnership opportunities.
Connect With Me
Connect with me on LinkedIn
Location
London, United Kingdom
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