Contributing writer
Mark Sullivan
Payments & Risk Analyst
Analyst focused on withdrawals, payouts, and payment risks.
123
Bonuses reviewed
35
Casinos covered
46
FXCheck reports
8+ yrs
At FreeExtra·Chips
Bio
Mark Sullivan is a payments and risk analyst specializing in casino withdrawal systems and transaction behavior. His analysis covers payout timelines, payment method limitations, fee structures, and real-world withdrawal reliability. Mark focuses on identifying delays, conditional payouts, and method-specific restrictions that affect how and when players receive funds. His contributions add a practical financial perspective to casino and bonus reviews.
Credentials & policies
FXCheck™ verified
- Payments Lead Tests real withdrawals across payment methods to document actual payout reliability.
- Risk Analyst Identifies operator-side risk factors that affect player payout timelines.
- Conflict declarations No relationships with payment processors or operators.
Casino reviews
35 entries — detailed listing for this tab is on the roadmap.