Olga Thelliyankal
New Rochelle
Summary
Dynamic finance executive with extensive experience at Mastercard International, driving operational improvements and cost optimization strategies. Proven track record in mergers and acquisitions, achieving $60MM in working capital optimization. Adept at leading diverse teams and fostering collaboration, while implementing automation to enhance efficiency and organizational design.
Overview
25
25
years of professional experience
Work History
Senior Vice President, GBSC- Finance Operations and M&A COE
Mastercard International
Purchase
08.2022 - 09.2025
- Led and managed a team of over 350 professionals across multiple locations
- Defined organizational strategy for scale and resiliency through spans and layers with focus on capability to build capacity
- Implemented changes to outsourcing activities to ensure high judgement and complex activities are performed through captive teams
- Reinvested capacity through citizen led automation to create Continuous Process Improvement team focused on automation and operational assurance
- Delivered working capital optimization of $60MM through changes to invoice payment processes
- Drove and delivered location strategy for Transaction Services resulting in annual cost efficiencies of $600K
Vice President, GBSC- Systems Strategy and M&A COE
Mastercard International
Purchase
08.2018 - 08.2022
- Established multi-functional M&A CoE within GBSC and provided leadership on M&A integration activity
- Defined benchmarks and funding model for acquisition integration costs
- Achieved 45- 55% US- India resource split in Financial Systems to build bench strength while effectively managing costs
- Provided oversight into several key strategic initiatives including significant upgrades to Oracle (R12) and Hyperion in a remote/ hybrid environment
Vice President, M&A Integration- Onsite Finance Integration Lead (Vocalink)
Mastercard International
London
10.2017 - 08.2018
- Integrated newly acquired Vocalink entity to Mastercard Financial systems, policies, process and organization
- Partnered with Legal to ensure compliance to LINK “ring fencing” requirements with Bank of England
- Completed organizational alignment of newly acquired entity partnering closely with HR to ensure compliance with UK labor laws
- Helped deliver $4MM in recurring savings on Vocalink personnel costs through organizational alignment activities
Vice President, GBSC –Site Lead (Pune)
Mastercard International
Pune
07.2015 - 09.2017
- Established multi- functional satellite location for GBSC in Pune, India- current size ~300
- Centralized and integrated South Asia and MEA finance processes into GBSC
- Partnered with Country Compliance Manager and external advisors to ensure compliance to local and regulatory requirements (BoD framework, GST implementation, Compliance Framework including ICOFR requirements)
- Partnered with Regional Tax, external advisors (D&T) and regulators to address service tax audit and compliance issues
- Established South Asia Controllership function
- Transitioned VP, Corporate Services role from US to high value market (India)
- Achieved inclusive leadership in India for Finance function (70% women in leadership L5 and above)
Vice President, M&A (Corporate Finance Integration Lead)
Mastercard International
Purchase
04.2012 - 07.2014
- Established M&A Corporate Finance integration role
- Established M&A Integration function and provided oversight on multiple acquisitions and joint ventures
- Defined guiding principles and a repeatable standardized model on Finance integration
- Partnered with cross functional integration leads to define overall M&A integration playbook
- Managed and monitored finance integrations across all acquisitions and joint ventures
- Identified and recommended process and cost synergies across acquisitions
Financial Systems (Manager to VP)
Mastercard International
Purchase
10.2000 - 04.2012
- Developed and managed Systems strategy for new implementations, rollouts and upgrades
- Led and supported several strategic projects including: IP Migration, Mergers and Acquisitions integration to Oracle, Legal entity strategy, Product Profitability, Customer Operating Statements
- Led implementation of Hyperion Planning
- Identified and analyzed business opportunities related to cost reduction, margin improvement, and business process re-engineering
- Led migration of Mastercard Europe from SAP to Oracle
- Supported global rollout of Oracle Financials; led global GL implementation in APAC and EMEA
- Supported development of global Chart of Accounts
Education
BBA - Accounting
Iona College
New RochelleMBA - Management Information Systems (MIS)
Iona College
New RochelleSkills
- Operational improvements
- Mergers and acquisitions
- Organizational design
- Cost optimization strategies
- Virtual team management
- International expertise
- Stakeholder and vendor management
- Program management
- Application management
- Automation implementation
- Leadership development
- Team collaboration
- Strategic planning
- Organizational development
- Operational excellence
Timeline
Senior Vice President, GBSC- Finance Operations and M&A COE
Mastercard International
08.2022 - 09.2025
Vice President, GBSC- Systems Strategy and M&A COE
Mastercard International
08.2018 - 08.2022
Vice President, M&A Integration- Onsite Finance Integration Lead (Vocalink)
Mastercard International
10.2017 - 08.2018
Vice President, GBSC –Site Lead (Pune)
Mastercard International
07.2015 - 09.2017
Vice President, M&A (Corporate Finance Integration Lead)
Mastercard International
04.2012 - 07.2014
Financial Systems (Manager to VP)
Mastercard International
10.2000 - 04.2012
BBA - Accounting
Iona College
MBA - Management Information Systems (MIS)
Iona College