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About Us

Our Staff

At Diemer Accounting & Tax Service, Inc., our talented staff has the expertise to meet the needs of our diverse client base. Why not take a few minutes and get to know the most experienced and knowledgeable tax and accounting professionals you'll ever meet?

Our Team

Ruth Diemer 616-396-4434

President, Tax Consultant Expert
Ruth, the founder of Diemer Accounting & Tax Service, Inc., has been preparing tax returns for 50 PLUS years. She specializes in individual and trust tax returns. No return is too complicated for Ruth to handle.

Ken Diemer 616-396-4434 Grand Valley State University

Vice President, Business Management Specialist
Ken is an expert in analyzing your business need and helping your business grow and remain profitable. Ken is involved in all aspects of accounting and tax services for our clients. He has been preparing tax returns for 30 plus years and specializes in partnership and corporation tax returns. Another area of Ken's expertise is rental real estate as he is a partner in rentals himself. He attended Grand Valley State University for four years.


Wanda Ridlington

Tax Preparer
Wanda has been preparing tax returns for 30 plus years. Wanda prepares all aspects of individual tax returns. Her expertise in individual tax returns extends particularly to daycare returns, as she was once a daycare provider herself for many years.

Cheryl Kappler 616-396-4434

Tax Preparer
Cheryl joined our tax preparers team in 2013 and is coming back this tax season to assist us in individual tax preparation appointments and drop-offs. If time is of the essence to you and scheduling an appointment is just not an option, please feel free to drop your tax information off.

Christie Wisniewski 616-396-4434 Baker College
Associates Degree in Accounting

Accountant/Payroll Specialist
Christie is our payroll extraordinaire. She handles all aspects of payroll. From payroll processing to monthly and quarterly payroll reports. Christie not only handles payroll for clients locally, but can also handle payrolls for clients across the United States. She has worked for Diemer Accounting since 1992.

Kenneth Hornecker 616-396-4434 Hope College
Bachelor Degree in Business Administration

Kenneth has over 30 years of experience in business administration and accounting. He works on daily accounting for various companies as well as many other accounting duties. He is a great asset to our company.

Missy Raby 616-396-4434 Davenport University
Accounting, Tax Preparation

Administrative Assistant
Missy joined Diemer Accounting in 2016 and came to us with 25 years experience in the administrative assistance, management and accounting fields. She is primarily responsible for accounts receivables, but enjoys keeping busy with the multiple hats she wears at Diemer Accounting.

Leslie Igartua 616-396-4434 Indiana University
Masters in Public Relations

Administrative Assistant
Leslie is our front desk receptionist and queen of organization! She comes to us with experience in business administration, marketing and public relations. Needless to say, she is a perfect fit to our company.

Julie Morley 616-396-4434 Baker College
Bachelor's in Accounting

Tax Preparer/Accountant
Julie joined Diemer Accounting in 2016 and has been working on tax returns as well as accounting needs. She has over 25 years of experience. Her past employment includes preparing tax returns, tax resolutions, accounting and office management. She is excited to offer her services to our clients.

Marc Myrick 616-396-4434

Tax Preparer