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Our Team

Nicholas Giardina

Nicholas Giardina


Nicholas Giardina has been providing bookkeeping, tax and payroll services to the area nearly 20 years. Nicholas graduated Cum Laude from Kent State University with a bachelor's degree in Business Administration majoring in accounting and minoring in management.  He specializes in business planning, bookkeeping & payroll, utilizing tax strategies to promote business growth.

In addition to "private sector accounting" Nicholas is the Fiscal officer for the Village of Middlefield. He has a keen understanding of Government accounting as well.

Jessica Giardina


Jessica Giardina, has been lending her bookkeeping and payroll knowledge to our clients for 10 years. She also graduated from Kent State University here in North East Ohio, Summa Cum Laude. Jessica's emphasis on payroll & bookkeeping services has helped our small business and individual clients vastly. Her expertise in QuickBooks is a major resource.

Diane McGehean, CPA

Senior Accountant

Diane McGehean has been providing small business accounting, bookkeeping, payroll, consulting and tax services to clients for over 36 years.  Diane is a graduate of Ohio University with a Bachelor’s degree in Business Administration majoring in accounting.  She is a Certified Public Accountant (CPA) in the State of South Carolina and the State of North Carolina.  Diane specializes in construction accounting,  financial statement preparation,  payroll, bookkeeping and Quick Books.

Dineen Rudibaugh, EA

Accounting & Tax Services

Dineen has been providing accounting, business and tax services to clients for nearly 30 years. She is an Enrolled Agent with the IRS and can assist clients with any issue from individual and corporate income tax, to payroll and consulting. She is a fantastic source of information for any of your accounting questions you may have.

Amanda Vandivier, CPA

Amanda Vandivier has been providing accounting, bookkeeping, payroll and tax services for over 15 years.  Amanda graduated from Ball State University with a Master’s degree in accounting.  She is a Certified Public Accountant (CPA) in the state of South Carolina.  Amanda specializes in bookkeeping, payroll, financial statement preparation and Quick Books.

Dena Giardina

Bookkeeping & Client Services

Dena Giardina is a graduate from Tri-C. She has spent many years in the banking industry here in Ohio and Pennsylvania. She has spent many years assisting in bookkeeping and general business services to our clients.  She also assists with client relations and helping the partners with a wide range of tasks.

Sabine Weizer

Client Services & Operations

Sabine is the first voice you will most likely hear at our office. Sabine has been helping to run the front end operations of tax/accounting offices for nearly 20 years. She provides a wealth of information and understanding and will make sure to get the right information to the right specialist if she does not have an answer.

Emily Kneier

Client Relations

Emily helps us ensure we maintain positive relationships with our clients. Emily is one of the first people our clients interact with at our firm and maintaining our clients happiness is key. She assists our clients and staff with many critical functions on a daily basis.

We take care of your books for you, so you can get back to the job of running your business and generating profits.
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We offer payroll solutions that meet your business's needs and enable you to spend time doing what you do best--running your company.
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We offer a variety of services to help make sure that you are taking full advantage of Quickbooks' many features.
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We offer one-on-one guidance and a comprehensive financial plan that helps manage risk, improve performance, and ensure the growth and longevity of your wealth.
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© Advanced Accounting Consultants, LLC 2021