A ledger grid that becomes a system graph. Animation is off for reduced motion or unsupported browsers.

Staff Accountant · Technical Solutions & Financial Systems Ortho Molecular Products · Barrington, IL CPA exams December 2026

Finance and engineering, in one person.

I close the books, then build the systems that close them faster. Production automation, financial systems work, and applied AI at a $200M manufacturer, with a Computer Science degree behind it and a CPA on the way.

See the work Résumé (PDF)

Skip the story, see the numbers

Ledger to graph. Move your cursor, then scroll.

I close the books.

Then I build the systems that close them faster.

36h → 10m

Monthly expense review, after a C#/.NET classifier on Azure Functions calling the OpenAI API with rule guardrails

Concur case study

95–97%

Exact match to human reviewers, with zero misclassifications

Concur benchmark

3

Production systems in use by the accounting team: Concur, Royalty, Time Tracker

The Ortho ledger

And I learn in public.

Sixteen states, one marked: the Lab's Grover visualizer steps through it, next to a post-quantum exposure calculator for finance records.

Open the Lab

William Kim

See the work Résumé (PDF) Contact

36h → 10mMonthly expense review, after a C#/.NET classifier on Azure Functions calling the OpenAI API with rule guardrailsConcur case study 95–97%Exact match to human reviewers, with zero misclassificationsConcur benchmark ~40 hrsManual close work removed per month, first six monthsAcross the Ortho systems 3Production systems in use by the accounting team: Concur, Royalty, Time TrackerThe Ortho ledger

Now

CPA examsDecember 2026
Practitioner platform consolidationLaunching December 31, 2026
Currently buildingTour Engine, Post-Quantum Readiness Toolkit