About us

Koskie & Eulberg is built upon a more than 40-year foundation of service to our clients and community.

We truly enjoy the work we do, re-investing every year in our own education, technology, and processes to be as thorough and effective as possible for everyone we serve. It’s not enough to just be your accountant, in every interaction we strive to build a long-term relationship you can trust for expert, straightforward guidance through your tax return, estate or trust administration, or general accounting (no matter how arduous).

Meet the CPA Ladies!

Jenyle Koskie

CPA, Partner

Melissa Eulberg

CPA, Partner

Theresa Owens

Office Manager

Cyndi Waugh

Client Communications Director

Morgan Krogman

Data Operations


Director of Morale

Everything we are is because of everything we were


The firm’s founder, Virgil M. (Skip) Stone, retired from the U.S. Army after 33 years of service as a logistician. He returned to the University of Oklahoma to earn his master’s degree in business and opened a small office above First National Bank in Norman. This was a requirement of his wife Joan, who found that he was constantly “underfoot” in his retirement. He passed the CPA exam and started doing tax returns for other retired military folks in the Norman area as Virgil M. Stone, CPA, Inc. He was also interested in small business startups, helping new entrepreneurs drive a straight path toward success through improved business management systems.


Jenyle Koskie, his daughter, came to work for Skip to answer phones and do clerical jobs as the little office began growing. Soon, small businesses needing help with bookkeeping, payroll, and tax compliance were added to the base tax work and additional employees were hired.


The firm moved to its present location at 220 N. Peters Ave. in Norman. Jenyle returned to school; she earned her bachelor’s degree in 1989 and passed the CPA exam in 1991. She developed an interest in taxes, both for individuals and estates and trusts, expanding the firm’s practice to accommodate planning in these areas, as well as compliance.


A new firm was created and the name changed to Stone & Koskie, CPAs, P.C., adding Jenyle as Skip’s partner.


The firm expanded with Virgil W. (Bill) Stone, Skip’s son, an alumnus of the University of Oklahoma and United States Military Academy at West Point. He retired from the U.S. Army after 27 years of service, obtained his CPA license, and joined the firm as partner.


Skip retired from the firm, but rarely missed a day in the office until he passed away in 2004.


Melissa Eulberg joined the firm, sharing her experience in industry and government. She wanted to work more personally with individuals and small businesses, helping entrepreneurs succeed and guiding them through the maze of tax regulations.


Bill retired from the firm. Melissa became a partner, changing the name to Koskie & Eulberg, CPAs, P.C.


Today, our 45 year-old family-based accounting firm is still serving our clients in the spirit Skip envisioned and modeled for us. We’ve traded adding machines for certifications in Xero and Quickbooks, and work as paperless as possible. We’ve no doubt he’d be proud of the way his one-man retirement hobby has grown to be a thriving, modern accounting firm with strong Norman roots.