Meet our Team


Thomas L. Vermeulen  |  Certified Public Accountant

Tom is the principal and owner of the company. Along with being an excellent accountant and business growth advisor, he is “head coach” for the team here at the office. Tom is friendly, easy to work with, and has a good sense of humor—something not-so-often seen in this industry.  Tom has served as past-president of the San Joaquin Chapter of the California CPA Society and as chair of the Management of an Accounting Practices group. He has served on the boards of several non-profits, and is a continuing volunteer for different community causes.

Karen Nydam  |  Certified Public Accountant

Except for Tom, Karen has been with Vermeulen & Company the longest—part of the team since 1997. She graduated from Cal Poly and shortly afterwards passed the CPA exam. Karen specializes in tax services. She enjoys water skiing, hiking, and most of all, keeping up with her family.

Ann Godfrey  |  Certified Public Accountant

Ann has been with the company since 2004. She specializes in the areas of individual and business income tax as well as financial accounting services. As part of the Vermeulen & Company team, her goal is to provide excellent and timely client service.  Ann previously worked in the area of public accounting in Southern California, as well as the East Bay Area.

Vivian Schuller  |  Accountant

Vivian came to Vermeulen & Company in 2000 after twelve years in banking and several years of private bookkeeping. She specializes in tax services, payroll services and QuickBooks support.  Vivian has served as a member of a local private school board and is currently a member of the finance committee affiliated with the school. In her free time she enjoys home improvement projects, yard work, reading, and family and church activities.

Marvin Lawrence  |  Accountant

Marvin started with Vermeulen & Company in January 2019. He obtained his Master’s degree in accountancy from Sacramento State in 2020. In his free time, Marvin coaches basketball at Escalon High and enjoys spending time with friends and family

Jourdan Anderson  |  Certified Public Accountant

Jourdan came to work for Vermeulen & Company in 2018.  Jourdan graduated from Baylor University in 2011 with a Bachelor of Business Administration and a Master of Taxation. She has had her Texas CPA certification since November 2013 and am currently in the process of obtaining her California CPA certification.  Jourdan enjoys spending time with her husband John and two boys!

John Vega |  Accountant

John joined Vermeulen & Company in November 2020. He graduated from Cal Poly San Luis Obispo in 2010 with a Bachelor of Business Administration concentrating in Accounting and Finance. He worked for Ernst & Young after graduating, but eventually went to work for a local school district. After spending a few years in the school system, John has re-joined the accounting field with excitement. He recently got married and enjoys spending time with his wife, Nicolette. He loves to visit with his family and friends, likes to watch sci-fi movies, and enjoys comics.

Rochelle Vermeulen  |  Office Administrator

The office administrator position is best filled by someone who is flexible and knows how to follow through on the “task-of-the-day”. That’s Rochelle! She is the go-to person in the office when a specific project needs to get done. If a client or staff member needs help with anything, Rochelle is always willing. When not at the office, Rochelle enjoys long distance running and being with her family.

Melinda Segaar  |  Accountant

Melinda re-joined the Vermeulen & Company team in 2017 after over 10 years of experience in the private Accounting Industry, and specializes in Consulting and Accounting and specifically with QuickBooks consulting and training. Melinda helps keep things running smoothly at the office and loves the variety of tasks thrown at her in a given day. When not in the office, Melinda can be found spending time and keeping up with her husband and four kids.

Araselli Herrera | Front Office

Ari joined the Vermeulen & Company family in 2020 and has become an addition to the administration team.  In 2014, she graduated from Bakersfield College and acquired a degree in Biology (Human Emphasis).  Ari comes with 14 years of exceptional experience in office administration & always strives to provide professional & personable customer service to our clients.  In her free time, she enjoys spending quality time with family, playing sports, baking, and staying involved in church events.

Kacie Van Groningen | Front Office

Kacie came to Vermeulen Company in 2018 and is on our front office team. She is one of the two amazing ladies who will greet you first on the phone or as you walk through our door. Kacie is always ready and willing to help with a smile. When not at the office, Kacie loves to spend time with her husband and two sons and enjoys bowling.

Stephanie Montey | Accountant

Stephanie joined Vermeulen & Company while still enrolled at Stanislaus State completing her bachelor’s degree in accounting. Now many years later, Stephanie is still with us thankfully, as she is always upbeat and helpful. While here Stephanie has since gotten married to Sean and has 2 great kids, Charley and Nate. Stephanie is an avid DIYer ( she likes to stay very active). She loves to read. Her favorite places to go are the beach and the mountains.

Joe Veldstra | Accountant

Joe joined Vermeulen & Company 2006. He is our most senior accountant. He specializes in both business income tax and accounting, hence he is a great asset to our team. Joe has always had a passion to work with youth in a Christian environment. He is now serving in that role along with helping us.