About Us
At Ascertic CPA, we are dedicated to providing the best accounting and bookkeeping services to our clients. Our team of professionals has a wealth of experience in the industry and is committed to ensuring our clients' financial success. We believe in building strong relationships with our clients and providing them with the highest level of service.
Our vision is to be the leading accounting and bookkeeping firm in the state of Georgia. We are committed to providing the highest quality services to our clients and helping them achieve their financial goals.
TEAM
Gregory Goehring
I started Ascertic CPA with the vision to help our clients navigate complex financial and tax matters while supporting team members with expertise in technology, processes, and workflow management. With over twenty years of experience at three Fortune 500 companies, I lead a dedicated team and ensure the smooth operation of the firm. My approach is professional, organized, and client-focused, emphasizing clear communication, confidentiality, and trustworthy service.
Founding Partner, CPA

Cecilia Gomez
Cecilia Gomez is a seasoned Tax professional with over 15 years of experience in the accounting and finance sector. She joined Ascertic CPA in 2022 and has become a trusted guide in navigating the intricate landscape of taxation. She enjoys helping small and mid-sized organizations as well as individuals in tax preparation and planning.
Senior Tax Consultant

Kimberly D. Rockwell
CPA & Senior Tax Consultant
Kimberly Rockwell, CPA, is highly skilled in the intricacies of tax preparation for individuals and small businesses, backed by nearly 30 years of experience in both public and private accounting. She is dedicated to providing accurate, reliable, and personalized accounting and tax compliance services, ensuring clients meet their obligations with confidence.
Dawn Rugh
CPA & Senior Tax Consultant
Dawn Rugh, CPA, brings over 30 years of tax & advisory experience, including 25 years as the owner of a successful CPA practice.
She now brings that depth of expertise to her role at Ascertic CPA, where she continues to serve a diverse client base—from small businesses to high-net-worth individuals. Dawn specializes in the construction and professional services industries, offering tailored tax planning and compliance solutions. Known for her strategic insight and commitment to client relationships, she remains a trusted advisor to those seeking long-term financial success.
Donna Hamby
Firm Administrator
Donna has worked in the accounting field for over 40 years. She started in private industry including service, logistics, manufacturing and wholesale. Donna catapulted her career in public accounting 15 years ago starting as a staff accountant and then gradually moved into a management role in firm administration. She enjoys planning, organizing, training and motivating others with a positive and professional attitude.
