Payments
10 chargebacks and disputes experts
These ten chargeback and dispute leaders have managed card dispute and chargeback operations at payment companies and banks. A reader can learn how they run dispute teams and handle chargebacks within card network rules.
Professionals to explore
01—10Catherine Johnson
LinkedInExperience: Dispute operations chargebacks manager · i2c Inc.
Dispute operations chargebacks manager at i2c Inc. since 2020, where the profile says Johnson leads a team of 30+ analysts, covering performance management, coaching, and developing and driving the vision for the team. Former senior processing specialist at First Data Corporation (2011–2020).
David Russell
LinkedInExperience: Head of Customer Disputes (Chargebacks) · Worldpay
Head of Customer Disputes (Chargebacks) at Worldpay since 2016, a role the profile places in Gateshead, England, starting in January 2016. Chargebacks, Scheme Manager at Worldpay, listed from 2010 with no end date, and former Chargebacks, Scheme Manager at RBS (2008–2010).
Doris Zigon
LinkedInExperience: Head of chargeback and complaints unit · Intesa Sanpaolo Card
Former Head of chargeback and complaints unit (2009–2016) and Head of Dispute operations department (2016–2020) at Intesa Sanpaolo Card. Head of Dispute & Fraud operations at Nets, listed from 2020 with no end date, and CEE Fraud & Dispute director,Local supervisor at Nexi Group since 2026. The profile says Zigon is in charge of chargeback and complaints and card financial operations.
Gergana Gancheva
LinkedInExperience: Global Director Chargebacks · Paysafe
Global Director Chargebacks at Paysafe, listed from 2023 with no end date, and Senior Director Chargebacks & Collections at Paysafe since 2025. Former Senior Chargeback Manager at Paysafe (2020–2024) and former Senior Specialist, Cards Monitoring & Dispute at Raiffeisenbank Bulgaria (2013–2015).
Kirsty Tur
LinkedInExperience: Senior Manager, Worldwide Disputes · Global Payments Inc.
Former Senior Manager, Worldwide Disputes (2010–2024) and Chargebacks Technical Manager (2007–2010) at Global Payments Inc., and former Chargebacks Technical Officer at HSBC (2005–2007). The profile cites subject matter knowledge of card scheme rules, compliance and dispute resolution and says Tur has led global teams. Ass. Digital Implementation Manager at Boots UK since 2026.
Krisi Haskell
LinkedInExperience: Sr. Director, Dispute & Support Operations · Visa
Sr. Director, Dispute & Support Operations at Visa since 2018 and former Director, Global Dispute Management at Visa (2016–2018). The profile describes supporting a team of analysts in Colorado and the Philippines who work thousands of disputes a month for clients and financial institutions. Former Manager, Tender & Chargeback Services at Nordstrom (2009–2013).
Maura McGrath
LinkedInExperience: Senior Vice President, Claims, Disputes and Complaints at U.S. Bank Elavon · U.S. Bank
Senior Vice President, Claims, Disputes and Complaints at U.S. Bank Elavon since 2023, where the profile says McGrath leads an international team of 900+ banking and payments professionals across the US and Europe that manages credit and debit card claims among other areas. Former Head of Payment Services Operations Controls and Compliance at U.S. Bank (2020–2024).
Paulina Pyrowicz
LinkedInExperience: Disputes Manager · Marqeta
Disputes Manager at Marqeta since 2024, where the profile says the work includes developing the end-to-end disputes strategy and operational tactics so that network rules, processes and reporting support disputes activity. Former Disputes Supervisor - European market (2022–2024) and Disputes Supervisor - Mexican market (2021–2022) at Elavon.
Susan Cvijanovich
LinkedInExperience: Vice President Operations - Payments Disputes · Fiserv
Vice President Operations - Payments Disputes at Fiserv since 2014. The profile describes experience leading large multi-functional teams, with expertise across operations, finance, logistics, relationship management and strategic planning, and says Cvijanovich is recognized as an industry expert in acquiring chargeback processing.
Vadeene Sisk
LinkedInExperience: Senior Vice President Global Disputes · Elavon, Inc.
Former Senior Vice President Global Disputes at Elavon, Inc. (2017–2020), Senior Vice President North America Fraud Management & Disputes at Elavon (2015–2017) and Vice President Global Disputes at Elavon (2020–2022). The profile describes responsibility for Europe and North America dispute teams of almost 150 employees, covering budgets, goals, policies, customer experience and compliance.
Choose the right perspective
Match the person's side of the transaction to yours, since disputes look different for a card issuer, a merchant acquirer and a merchant. Ask each person which parts of the dispute process they owned directly, such as case handling, network rules or team management.
Questions to take into the conversation
- 01Which chargeback reason codes cost you the most, and what changed your win rate on them?
- 02How do you decide which disputes to fight with representment and which to accept?
- 03How did you staff and measure a disputes team as case volume grew?
Reaching chargebacks and disputes experts
How can I contact one of these chargebacks and disputes experts?
Pick one of the 10 people on this page and choose "Book a paid call", or describe your project to find others. You offer a fee for a 15-minute call or a written answer, Instant Expert finds the person's work email and sends the invitation, and they decide whether to accept. The list covers 10 companies, including i2c Inc., Worldpay and Intesa Sanpaolo Card, based on profile data retrieved on October 3, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach chargebacks and disputes experts?
You choose the offer, starting at $5 per person. It includes Instant Expert's 20% fee, so an offer that pays the person $100 costs you $125. You're charged only when the person books the call or sends the answer.
What if they don't reply?
You pay nothing. Instant Expert sends follow-up reminders, and if the person hasn't booked or answered within 7 days, the request expires and any hold on your card is released. You can invite several of the 10 people on this list at once and cap your total spend, so you pay only for the ones who accept.
About this directory
This is a professional research starting point based on business profile data retrieved on . Titles and companies reflect that source snapshot and may describe past or present roles. Check the linked profiles for current details. Inclusion does not imply Instant Expert membership or availability.
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