Our Team

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Mark L. Lockwitz

Mark joined Maner Costerisan in 2001 following his college graduation.  As a
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Dave Feenstra

Dave joined Maner Costerisan in 2003 as a consultant in the information
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Brandy Terwilliger

As a senior manager in the tax department, Brandy focuses on tax planning and
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Michael S. Weller

Mike joined Maner Costerisan in 1989 and was promoted to principal in January
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Careers at Maner

Before you commit to a future employer, consider what is important to you: Is it about the name recognition of your company? Being one of the many faces in a stadium full of faces? Your career is about growing as a professional and continuing to enjoy your personal freedoms.
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Timely Opportunities Blog

Timing business income and expenses to your tax advantage

Typically, it’s better to defer tax. Here are two timing strategies that can help businesses do this:

  1. Defer income to next year. If your business uses the cash method of
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What Our Clients Have to Say

Ted Alberta, Portland Products, Inc.

We regard personnel at Maner Costerisan as key members of our team and we interact with them on many levels:  monthly financial statement preparation, business performance
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