Anubhav Tyagi
Senior Manager | Macquarie Bank
Picnic Point,NSW
Summary
Fraud strategy and analytics leader with 9 years of experience in financial services, specializing in card and digital fraud prevention. Expert in applying advanced analytics, behavioral insights, and machine learning to design scalable fraud detection strategies that reduce losses while enhancing customer experience. Skilled in cross-functional collaboration with operations, technology, and vendors to deliver actionable, data-driven solutions and advise senior stakeholders. Proficient in Python, R, SAS, and SQL, with experience across AWS, PySpark, Hive, Hadoop, Teradata, and Yellowbrick. Hands-on with PRM, Outseer, and PEGA case management systems, and familiar with VISA Online and Mastercard Connect. Passionate about using data and technology to safeguard customers, build trust, and combat evolving fraud and scam threats.
Overview
10
10
years of professional experience
2
2
Languages
2
2
Certificates
Work History
Senior Manager | Fraud Detection and Analytics
Macquarie Bank
05.2025 - Current
- Reduced false positive rates by over 30% in transaction monitoring rules, enhancing customer experience while maintaining strong fraud coverage.
- Cut daily alerts by more than 50%, boosting operational team capacity and efficiency.
- Spearheaded adoption of real-time ML-driven transaction monitoring, leading development of proof-of-concept models for card transactions.
- Partnered with vendors and internal stakeholders to deploy upgraded authentication and monitoring systems, improving resilience against scams and fraud.
Manager | Fraud Detection and Analytics
Macquarie Bank
03.2023 - 05.2025
- Streamlined fraud operations by reducing manual processes 65% through automation and data-led reporting.
- Developed and optimized dynamic, threshold-based rules, cutting scam and fraud losses by nearly 30%.
- Led portfolio-wide rule optimization, enhancing fraud detection precision and reducing customer disruption, resulting in an industry-leading False Positive Ratio of fraud detection rules for the bank.
- Designed and delivered training for operations teams, ensuring faster, more accurate fraud detection.
Senior Analyst
Fraud Risk Management, APAC, American Express
07.2022 - 03.2023
- Designed and implemented fraud controls for Account Takeover, Card Not Received, and Scam fraud across APAC markets, driving significant reductions in fraud losses.
- Created global fraud features such as “risky basket of goods”, now leveraged by multiple fraud models and delivering ~USD 500K in annual savings.
- Curbed wallet provisioning fraud by combining authorization factors with GBM scores, contributing to ~USD 120K in annual savings while enhancing customer trust.
Senior Analyst
Fraud Decision Science, American Express
06.2018 - 06.2022
- Developed an XGBoost model on AWS to detect POS credit card fraud, delivering ~USD 10M in annual savings.
- Improved customer experience by using real-time feedback from merchants during promotions, reducing 10K+ disruptions annually and enabling USD 100K in incremental spend.
- Identified emerging fraud trends and engineered new features/techniques to strengthen model accuracy; proficient in SQL, Hive, R, SAS, Python, and PySpark.
- Monitored model performance monthly, conducting deep-dive analyses to identify performance gaps and prioritize enhancements.
AnalystData
The Smart Cube
Noida, Uttar Pradesh
06.2016 - 05.2018
- Applied machine learning methods (Random Forests, logistic regression, clustering) for churn prediction and score optimization.
- Delivered actionable insights to retail and financial services clients.
Education
Master of Science - Statistics
06-2016
Bachelor of Science - Statistics
06-2013
Skills
Fraud Strategy & Risk Management
Data Analysis & Storytelling
Python/R/SAS/SQL
Stakeholder Leadership & Influence
Cross-functional collaboration
Data-driven decision making
Thought Leadership & Continuous Learning
Multitasking Abilities
Interpersonal relations
Innovation management
Work Planning and Prioritization
Problem-solving
Additional Information
- Awarded ‘Analyst of the Quarter’ award in Q2 2021 for Development and Implementation of POS Fraud Detection Model
- Awarded ‘Blue Box Values’ award in Q3 2020 for showing exception collaboration skills
- ‘Kudos’ award for exceptional performance for 3 consecutive quarters at The Smart Cube in 2017
Languages
Hindi
Bilingual or Proficient (C2)
English
Bilingual or Proficient (C2)
Certification
AI Fluency - Framework and Foundations
Timeline
Claude 101
05-2026
AI Fluency - Framework and Foundations
04-2026
Senior Manager | Fraud Detection and Analytics - Macquarie Bank
05.2025 - Current
Manager | Fraud Detection and Analytics - Macquarie Bank
03.2023 - 05.2025
Senior Analyst - Fraud Risk Management, APAC, American Express
07.2022 - 03.2023
Senior Analyst - Fraud Decision Science, American Express
06.2018 - 06.2022
AnalystData - The Smart Cube
06.2016 - 05.2018
University of Delhi - Master of Science, Statistics
University of Delhi - Bachelor of Science, Statistics