AYAN BISWAS
VP - Data Science & AI (Balanced: DS/DE/GenAI Leadership)
Singapore
Summary
VP-level AI Engineering & Data Science leader with 12+ years delivering enterprise AI, LLM, and machine learning solutions across banking, logistics and regulated environments. Proven ability to architect and deploy production-grade GenAI platforms, RAG systems, microservices, and intelligent automation. Expert in translating business problems into AI-driven solutions, leading cross-regional engineering teams, and governing AI adoption securely in financial institutions.
Overview
16
16
years of professional experience
3
3
Certifications
Work History
VP, Data Science & AI Engineering
UNITED OVERSEAS BANK (UOB)
01.2021 - Current
- Lead DA, GenAI and ML initiatives across ASEAN; manage a 7+ member squad of AI Engineers, DS, and DE.
- Architected and deployed LLM-based enterprise solutions including:
- – SWIFT payment query automation (LLM-driven summarisation & reconciliation)
- – RAG-based internal knowledge chatbot with Groq/Llama 3 and LangChain
- – Multi-agent workflow automation using CrewAI and N8N
- Designed microservice-based AI pipelines with vector indexing, multi-turn reasoning, and secure API orchestration.
- Led implementation of real-time risk engines (fraud, AML, transaction monitoring) running on ML classifiers and anomaly detection.
- Delivered >USD 10M in annual project value while improving STP rates for remittances to highest-ever levels.
- Built cloud-native analytics & AI platform increasing data integration efficiency by 25%.
- Defined best practices for AI governance, model monitoring, drift detection, and responsible adoption of GenAI.
- Spearheaded architecture for enterprise ELT/ETL frameworks, data modelling standards, and cross-region analytics rollout.
- Tech Stack: LangChain, Groq/Llama 3, RAG, CrewAI, N8N, Python, R, Hive, Impala, Cloudera, Neo4j, AWS Bedrock/Sagemaker, Power BI, Qlik.
Data Insights Lead
TOLL GROUP
01.2018 - 01.2021
- Built AI-ready data pipelines and enterprise reporting across 50+ systems.
- Led predictive modelling, customer insights, and analytics modernisation (100+ report migration to Power BI).
- Improved analytics governance, performance tuning, and cloud adoption readiness.
- Mentored BI/analytics teams and established strong engineering review standards.
Data Analytics Expert
APL & CMA CGM
01.2017 - 01.2018
- Designed forecasting and optimisation models for pricing & yield management.
- Developed automated pricing optimisation model—awarded 2nd runner-up in global Innovation Challenge.
Senior Data Engineer
UBS AG
01.2014 - 01.2017
- Built data quality frameworks, anomaly detection logic, and country-risk exposure monitoring.
- Delivered MUREX/OTC trading and risk analytics dashboards.
Data Engineering Consultant
INFOSYS LTD.
01.2010 - 01.2014
- Designed enterprise data models and BI layers; conducted UAT sessions with business users.
Education
Global EMBA - Strategy & Finance
Quantic School of Business
PG Diploma - Enterprise Analytics & Data Science
NUS
B.Tech - Information Technology
WBUT
Skills
Generative AI & LLM Engineering: RAG frameworks, LangChain, multi-agent systems, Groq/Llama 3, n8n, prompt engineering, evaluation & guardrails
Additional Information
Serving as a Management Committee member of one of Singapore’s oldest communities, leading social engagement and community outreach initiatives, and liaising with ministers to support and advance Singapore's MCCY (Ministry of Culture, Community and Youth) programs.
Certification
Microsoft Azure AI Engineer Associate (AI-100)
Timeline
VP, Data Science & AI Engineering
UNITED OVERSEAS BANK (UOB)
01.2021 - Current
Data Insights Lead
TOLL GROUP
01.2018 - 01.2021
Data Analytics Expert
APL & CMA CGM
01.2017 - 01.2018
Senior Data Engineer
UBS AG
01.2014 - 01.2017
Data Engineering Consultant
INFOSYS LTD.
01.2010 - 01.2014
PG Diploma - Enterprise Analytics & Data Science
NUS
B.Tech - Information Technology
WBUT
Global EMBA - Strategy & Finance
Quantic School of Business
AWARDS (UOB)
GEMs Award UOB (2025), Commendation Award – Group Tech Innovation Challenge (2025), N8N AI Powered Fraud Detection Workflow, Best Innovation Award (2023), Use Case Excellence Award (2023), Problem Solver Award (2023), Inspirational Leadership Award (2023)