Nico Rivera is a senior finance controller writing across merchant acquiring, bank liquidity and treasury services, finance project management, and the convergence of AI and digital assets with the controller function. Four practitioner-authored references. Forward-looking perspectives on where the role is heading.
I'm a Controller specializing in Merchant Acquiring within financial services — a domain where interchange economics, chargeback dynamics, principal-agent accounting, scheme assessments, and multi-currency settlement all converge in a single finance function. It's one of the more technically layered corners of the industry.
That operational background informs everything I write. I'm not theorizing from a policy team or modeling from a distance. I understand these frameworks because I've worked through them — the reconciliations, the reserve logic, the accounting judgments that don't have clean textbook answers.
The published reference work has expanded outward from there. Payments Controller covers the acquiring stack end-to-end. Liquidity Controller covers bank liquidity, treasury services, and the payment rails that move money. Controller PM covers the project management discipline behind every successful finance implementation. The Agentic Controller covers where AI is actually heading inside the controller function. Four domains, one practitioner perspective.
The forward-looking work — on AI in the controller function, on stablecoin treasury, on agentic finance systems — grows directly from that foundation. I'm not bullish on AI because it sounds right. I'm bullish because I understand precisely what the controller function actually does, and I can see where agents can do it better, where they can't, and what breaks when we assume they can.
All views on this site are personal and do not represent any employer or affiliated organization.
Some of these domains I work in directly — payments and acquiring, in particular. Others I research and write about as a published reference area. Either way, the perspective on this site is practitioner-grounded, not consultant-flavored.
AI is reshaping what controllers spend time on — not what controllers are responsible for. That distinction matters more than most AI-in-finance commentary acknowledges.
Practitioner-grade essays on where the controller role is actually heading.
Four reference-grade resources covering the full controller function across payments, project management, liquidity, and the AI-driven future of finance — written from a practitioner's perspective on the controller function.
I'm not running a contact form on this site. If you want to connect, exchange perspectives, or follow new work, LinkedIn is the right channel. The handbooks live at the four sister sites.
Personal author site · All views personal · Educational content only — see disclosures below