Payments
10 Square risk operations experts
These ten current and former Square risk operations staff have worked in risk operations, risk policy, fraud and credit risk roles at the company. A reader can learn how risk operations work is organized at a company like Square from people who have done it.
Professionals to explore
01—10Anisha Sakariya-Patel
LinkedInExperience: Head of Cash App Risk Operations · Block
Former Head of Cash App Risk Operations at Block (2022–2026) and Head of Block Risk Operations since 2026. Her profile says she leads risk operations across Cash App, Square and Afterpay, spanning first-line fraud prevention, behavioral intelligence and operational review functions. She previously held Vice President roles at American Express.
David Collins
LinkedInExperience: Head of Risk, Europe · Square
Head of Risk, Europe at Square since 2019, based in Ireland. Before Square he was Senior Manager, Risk Assesment at Western Union (2014–2019) and Senior Enterprise Risk Manager at Goodbody (2011–2014). His profile lists fraud investigations among his specialties.
Fernando Pereira
LinkedInExperience: Senior Program Manager (Payments Credit Risk Portfolio Monitoring) · Square
Senior Program Manager (Payments Credit Risk Portfolio Monitoring) at Square since 2023, after serving as Risk Policy Program Manager at Square (2021–2023). His profile says he designs and implements portfolio monitoring and builds credit risk functions. Earlier he was a Senior Credit Risk Portfolio Management Analyst at Itaú Unibanco (2015–2018).
James O.
LinkedInExperience: Risk Operations Manager, Europe & UK · Square
Risk Operations Manager, Europe & UK at Square since 2021, based in Ireland. His profile says he leads credit, fraud and disputes operations across multiple European markets, with responsibility for policy development and regulatory engagement. His earlier Square roles include EU Credit Policy and Operations Analyst, Credit Analyst, Senior Fraud Analyst and Fraud Analyst (2017–2021).
Keely Villa
LinkedInExperience: Head of Risk Operations · Square
Head of Risk Operations at Square since 2025 and Credit Risk Supervisor at Square since 2022, based in the San Francisco Bay Area. Her other Square roles were Credit Specialist (2021–2022) and Risk Operations Specialist- Square Capital (2018–2021). She was previously a Financial Crimes Specialist at Wells Fargo (2016–2017).
Leah Boersig
LinkedInExperience: Head of Risk Policy · Square
Head of Risk Policy at Square since 2024 and former Head of Fraud Operations, Europe at Square (2019–2024). Her profile says she leads a team responsible for managing financial loss and business risks by preventing, detecting and mitigating fraud across Square's payment products and services. She was a Customer Success Manager at Square from 2016 to 2019.
Michael Foley
LinkedInExperience: Head of Risk Operations · Square
Former Head of Risk Operations at Square (2024–2025). His Square roles also include Director, Global Head of Credit Policy and Operations - Square and Afterpay Merchant Risk (2022–2024), Head of Credit Policy and Operations (2020–2024) and Credit Risk Operations Lead (2017–2019). Since 2025 he has been Sr. Director, Large Enterprise Seller Risk at PayPal.
Nathan An
LinkedInExperience: Senior Manager, Risk Operations Cash App · Square
Former Senior Manager, Risk Operations Cash App at Square (2017–2021) and Director, Risk Operations & Controls Cash App at Block since 2021. His profile says he leads Cash App risk operations and controls across fraud review, disputes, account restrictions, customer escalations and remediation work. He also held risk operations roles at Green Dot Corporation (2010–2017).
Toni Kuyinu
LinkedInExperience: Chief Risk Officer (CRO) · Square
Chief Risk Officer (CRO) at Square and Chief Risk Officer, Canada at Block since 2024, based in Toronto. The profile describes a board-appointed officer overseeing enterprise, operational and third-party risk functions and the incident response program across Square and Afterpay. Other roles include Head, Enterprise Risk Management and Policy Governance at Thomson Reuters (2023–2024).
William Goodwin
LinkedInExperience: Analyst, Risk Operations · Square
Former Analyst, Risk Operations at Square (2022–2024), where his profile says he led fraud detection and resolution efforts as the Fraud DRI for Square Australia. He also worked in Customer Success, Risk at Square (2021–2022). Since 2024 he has worked at Coinbase, as Payments Risk Analyst and, since 2026, Lead, Payments Risk Operations.
Choose the right perspective
Match the person's area to your question, since fraud operations, credit risk, risk policy and enterprise risk are different jobs. Consider region and era too, since a regional or older role may not reflect how the work is done in your market today.
Questions to take into the conversation
- 01How do risk operations teams at a payments company split work between fraud, credit and disputes?
- 02What signals and tooling do risk analysts rely on when reviewing seller activity?
- 03How do risk policy teams decide when to change a rule, and how do they measure the effect?
Reaching Square risk operations experts
How can I contact one of these Square risk operations 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 2 companies: Block and Square, based on profile data retrieved on October 9, 2026. Being listed here doesn't mean someone has agreed to take calls.
How much does it cost to reach Square risk operations 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.
Can an AI agent ask one of these Square risk operations experts a question?
Yes. An agent with a USDC wallet on Base can ask one question without an Instant Expert account. It names the person, for example by the LinkedIn URL on this page, and pays per ask over x402 (HTTP 402). The person answers in writing or by voice note, and if nobody answers within 7 days, the payment goes back to the wallet automatically. x402 docs
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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