Skip to Content


Jonathan is a partner at Plante Moran where he’s a leader in the firm’s Tax Solutions Group and automobile dealer practices. Jonathan specializes in consulting with growing and innovative companies on tax-planning opportunities. Business owners look to him for tax-planning strategies that reduce their liabilities and increase their personal wealth. More specifically, Jonathan uses research and development tax credits as well as fixed asset planning, including cost segregations, to help clients minimize taxes.

Most recently, Jonathan has been advising a number of privately held companies on the research and development (R&D) tax credit, helping them save taxes and continue to grow their businesses. He’s also a frequent webinar presenter, speaking on topics like the R&D tax credit and the tangible property regulations.

Jonathan holds a bachelor’s degree in business administration from Concordia University.

Specializes In

Additional Thoughts

Tax alert: 2016 repair/capitalization/depreciation filing update
What's the difference between a repair and a capital expenditure? This article explains. 
Michael Monaghan
Article September 06, 2016 1 min read
IRS raises de minimis expensing threshold to $2,500 for many businesses
Jonathan Winterkorn
Article December 10, 2015 2 min read