About the Author

Konstantin Koretskiy

Corporate Tax Expert · Founder of KKATC

Every answer a KKATC product gives, every guide published on this site, and every correction in the public log carries one name — this one. KKATC was built on twelve-plus years of Fortune-level corporate tax work, and it is maintained on a simple standard: every position cites its authority, and every identified error is published, fixed, and kept on the record.

Experience

12+ years of Fortune-level corporate tax strategy across Financial Services, Media & Entertainment, and Advanced Manufacturing.

KKATC

Founder and the practitioner behind every KKATC product — the tax logic, the authority citations, and the published corrections log.

Credentials

Enrolled Agent candidate: SEE Parts 2 and 3 passed, Part 1 in progress.

Accountability

Every identified error across KKATC products is published, with the wrong answer, the correct answer, and the authoritative source.

Read the corrections log →

Where the work lives

KKATC Tax answers federal and state questions with the IRC section cited. KKATC Cards is asset management and tax preparation for trading-card sellers, with free guides on the tax rules of the hobby. Watchdog is the public registry of AI tax errors — including KKATC's own.