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About Us

Company

Not Just Numbers is a bookkeeping and tax preparation firm in Northern Virginia.

Founded by Shelley Kasten, an Enrolled Agent (EA) with the IRS and a QuickBooks Certified ProAdvisor, NJN is more than just an accounting firm; we are your dedicated partners in financial success. As a woman-owned firm, NJN is committed to delivering personalized accounting solutions with integrity and dedication. We understand that every business, regardless of size or complexity, deserves exceptional financial services tailored to its unique needs.

Shelley has been an Enrolled Agent with the IRS since 2017, a QuickBooks ProAdvisor since 2009, and a full charge bookkeeper since 2005. Her passion lies in sharing knowledge and expertise to empower our clients. We work with you on a personal level to determine the best solutions for your unique needs, then leverage our seasoned expertise to achieve the best possible results.

"It's not just about numbers, it's about the people behind them." — Shelley Kasten

Our FIERCE Commitment

At Not Just Numbers, we don’t just crunch numbers; we embody a set of values that define our mission and guide every aspect of our work. Our commitment is encapsulated in the acronym FIERCE.

Our fierce commitment is more than a set of values; it’s the essence of who we are. It drives us to deliver exceptional financial services and create an environment where everyone can thrive and enjoy the journey.

Faith — We believe in the principles that shape our journey, fostering unwavering trust in our clients, our team, and the entrepreneurial path.

Integrity — Integrity is the backbone of our operations. We uphold honesty, transparency, and ethical behavior in every interaction, ensuring trust and reliability in our services.

Excellence — We are dedicated to delivering excellence in every facet of our work. Going above and beyond, we consistently strive to exceed the expectations of our clients.

Respect — Respect is fundamental to who we are. We value the diversity of our clients, understanding their unique needs, and treat every individual with the utmost dignity.

Continuing Education —Staying at the forefront of industry knowledge is paramount. We actively pursue ongoing learning opportunities to provide our clients with the most up-to-date and relevant financial solutions.

Enjoyment — Beyond the numbers, we find joy in our work. We cultivate a positive atmosphere, creating an enjoyable experience for our team and clients alike.

Team

Behind every financial success story, there's a dedicated team committed to your prosperity. Get to know the passionate people who bring expertise, integrity, and a personal touch to every service we offer.

Shelley Kasten
Teri Ross
Katie Francis
Ashley Faber
Tori Fregozo
Tristin Gray

5 Star Reviews From Satisfied Clients

Start

Your financial success starts with a simple form.

With a team of seasoned professionals led by Shelley Kasten, an Enrolled Agent with the IRS since 2017, we bring a wealth of expertise to ensure your financial records are not just maintained but optimized for informed decision-making. Trust us to turn tax season from a challenge into an opportunity for financial optimization.

Shelley Kasten, EA, President

Shelley Kasten, President and CEO of Not Just Numbers, Inc., has been an Enrolled Agent (EA) with the IRS since 2017, a QuickBooks ProAdvisor since 2009, and has been a full charge bookkeeper since 2005. She loves sharing her knowledge and expertise to empower her customers so they can apply what they have learned and effectively incorporate it into their own businesses.

Her greatest joy, however, is her family and leaving them with a heritage they can be proud of. Her hobbies include what her family has coined “Epic Kasten Adventures” and reading fiction books.

Teri Ross, Tax Preparer

Teri Ross has 20+ years of experience in tax preparation and truly enjoys increasing her knowledge about different aspects of the tax code – she even goes as far as saying it’s fun! As a previous mentor used to say, “Accountants aren’t boring people…they just get excited about boring things.” Teri’s favorite part of her work is interacting with and helping clients with their various tax and accounting needs.

Teri is originally from Oregon, but has followed her Marine Corps husband around the United States and overseas, dragging their three kids along on the adventure. Her family has been in Stafford, Virginia since 2011, loving the four distinct seasons and the rich history of the region.

In her free time, Teri enjoys reading, playing games with friends, doing numerous crafts, volunteering at church, and learning languages.

Katie Francis, Bookkeeper

For many years Katrina worked as the Office Administrator at a church that also had a school and daycare. During this time she kept track of student and employee records as well as simple bookkeeping including Accounts Payable and Receivable in addition to payroll. She enjoys working with others to meet goals and expectations.

Most recently her focus has been on homeschooling her children. They have both graduated and now she’s the mom of two young adults. Her hobbies include spending time with her family and friends, coaching a bible quiz team, serving at her church, thrifting and reading.

Ashley Faber,
Office Manager

As Office Manager at Not Just Numbers, Ashley Faber plays a central role in overseeing daily operations and ensuring the office runs seamlessly. With more than 12 years of experience in customer service and hospitality, she brings exceptional organizational skills, a strong background in client relations, and a proven ability to support both teams and clients with professionalism and care.

Ashley’s career has spanned a variety of service and management positions, all of which have shaped her well-rounded expertise in coordination, leadership, and problem-solving. Known for her outgoing personality and dedication, she takes pride in maintaining a positive outlook in any situation and is always eager to expand her knowledge and skills.

Originally born in Florida and raised in Virginia from the age of five, Ashley now calls Florida home once again. Outside of work, she loves spending time outdoors with her six children—whether at the pool, the beach, or in the mountains. She credits them as her greatest motivation, inspiring her to grow personally and professionally each day. Ashley is proud to be part of such a supportive and dynamic team, where she can contribute to the success of both clients and colleagues alike.

Tori Frezgozo,
Social Media Assistant

Tori Fregozo serves as the Social Media Monitor at Not Just Numbers, bringing a unique blend of creativity, strong communication skills, and keen attention to detail to the digital side of the finance world. She holds a Bachelor’s degree in English and has a background in education, which has helped her develop expertise in clear messaging, audience engagement, and thoughtful content strategy—all essential for cultivating a meaningful online presence.

Tori lives in North Carolina with her husband, Tyler, where she enjoys gardening, baking, and embracing a sustainable lifestyle. Her personal passions reflect her professional strengths: a love for structure, growth, and nurturing ideas into results—qualities she brings into every project and collaboration.

Tristin Gray, Bookkeeper

Tristin is a graduate of Old Dominion University with a degree in Finance and a minor in Risk Management & Insurance. He is currently taking additional courses to earn the credit hours necessary to pursue his CPA license in the future. His professional experience includes restaurant management during his college years, post-closing mortgage audits with a large credit union, and most recently serving as Assistant Finance Manager for a government IT contractor. Tristin prides himself on being a thorough and detail-oriented professional.

In his free time, Tristin enjoys grilling and smoking meat, lifting weights, golfing, and fishing when time allows. Born in Alabama, he is an enthusiastic supporter of the Crimson Tide (he considers Nick Saban the GOAT). Raised in Northern Virginia, Tristin has called the area home for the past 20 years and plans to stay and raise a family here in the future.