Diane L. Culler
Diane L. Culler
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Tax and Accounting Services by Diane L. Culler, CPA

Diane L. Culler has spent over 30 years helping DeKalb County families and businesses navigate taxes, accounting, and financial decisions — with the credentials of a large firm and the care of a neighbor.

30+ Years of Experience, Right Here in DeKalb County

Diane Culler CPA grew up in Auburn, Indiana, and has deep roots in DeKalb County. After earning her Bachelor's in Business Administration from Indiana University–Bloomington and her MBA from Indiana University–Fort Wayne, she launched her practice in 1995 and has been serving this community ever since.  


With over 30 years of experience as an accounting expert in Fort Wayne, Diane holds two of the profession's most respected credentials: CPA (Certified Public Accountant) and CGMA (Chartered Global Management Accountant). She is a member of the American Institute of CPAs (AICPA) and the Indiana CPA Society.  


Diane's practice is intentionally small, allowing her to give every client the personal attention they deserve. When you work with Diane, you work directly with Diane.  


The practice is growing. This year, Diane is joined by additional staff members to support her expanding client base, ensuring every client continues to receive the same attentive, CPA-quality tax services in Indiana that the practice has always delivered.

Credentials

CPA

CGMA

CGMA

Diane Culler CPA is a certified public accountant licensed by the Indiana Professional Licensing Agency, specializing as an accounting expert in Fort Wayne and offering comprehensive tax services in Indiana.

CGMA

CGMA

CGMA

Chartered Global Management Accountant — a designation issued by the AICPA and CIMA, recognized by accounting experts in Fort Wayne such as Diane Culler CPA, who also provides tax services in Indiana.

MBA

B.S. Business Administration

B.S. Business Administration

Master of Business Administration — Indiana University–Fort Wayne, where you can connect with accounting experts in Fort Wayne, including Diane Culler CPA, who offers specialized tax services in Indiana.

B.S. Business Administration

B.S. Business Administration

B.S. Business Administration

Indiana University–Bloomington is a renowned institution where future accounting experts, like Diane Culler CPA, often sharpen their skills. Many students also explore opportunities in tax services in Indiana, preparing for successful careers in this field.

DeKalb County Born and Raised

Diane Culler CPA grew up in Auburn, Indiana, and has deep roots in DeKalb County. After earning her Bachelor's in Business Administration from Indiana University–Bloomington and her MBA from Indiana University–Fort Wayne, she launched her practice in 1995 and has been serving this community ever since.  


With over 30 years of experience as an accounting expert in Fort Wayne, Diane holds two of the profession's most respected credentials: CPA (Certified Public Accountant) and CGMA (Chartered Global Management Accountant). She is a member of the American Institute of CPAs (AICPA) and the Indiana CPA Society.  


Diane's practice is intentionally small, allowing her to give every client the personal attention they deserve. When you work with Diane, you work directly with Diane.  


The practice is growing. This year, Diane is joined by additional staff members to support her expanding client base, ensuring every client continues to receive the same attentive, CPA-quality tax services in Indiana that the practice has always delivered.

Ready to work with Diane?

Reach out today to discuss your tax and accounting needs — by phone, email, or the contact form.

Get in Touch

Diane L. Culler, CPA, CGMA

0743 County Road 36 Avilla, IN 46710

(260) 357-4010 Dculler@dlccpa-tax.com

Copyright © 2026 Diane L. Culler, CPA. All Rights Reserved.

Serving Northeast Indiana

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