Tax Education Instructors

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Meet CLA’s instructors who offer trainings and resources for tax professionals and CPA firms looking to fulfill CPE requirements and better serve their clients. Our offerings include the Tax Advisors Update Seminar, which covers the latest developments in federal tax law and the Farm Taxation Update Seminar, which covers the latest developments in regards to agribusiness.

Daniel Greenhagen, JDhas a law degree from the University of Wisconsin Law School, and earned an LL.M. in Taxation at Georgetown University Law Center. Dan has over 10 years of experience with national accounting firms. He currently practices in diverse federal income tax areas, but specializes in property transactions such as cost segregation, depreciation and the repair regulations. He regularly conducts training courses on corporate taxation and new tax developments, and is a frequent speaker on the repair regulations. He has been an author for the Tax Advisors Update since 2012. Dan was previously a member of the national tax research credit services group of a Big Four accounting firm in Washington DC.

Chris Hesse, a tax principal in Washington, has over 35 years of tax experience in public accounting with regional and national CPA firms, and over 30 years of speaking and training experience before tax professionals on a variety of update topics. His career has included tax leadership of a 200-person practice, and extensive tax writing and analysis services. He is an author and instructor of Tax Advisors Update and Farm Taxation Update. Chris has spoken at numerous seminars and conferences throughout the country on taxation, agricultural and estate tax topics and is a past chair of the AICPA Ag Conference committee. He has testified before legislative committees on tax policy matters and has been instrumental in federal and state tax law changes, including an Alternative Minimum Tax provision affecting agricultural producers, farm income averaging, and Washington state excise and estate tax issues. Chris is currently serving as a member of the AICPA Tax Executive Committee and is a former chair of the AICPA S Corporation Technical Resource Panel.

Terri Lillesand, CPA, a tax principal in Sheboygan, Wisconsin, has more than 25 years serving clients, focusing on tax planning and compliance with corporate, individual, partnership, nonprofit and fiduciary taxpayers. She has served clients with planning for state and local tax issues and representation before the IRS and state departments of revenue. Terri has presented numerous seminars to clients and professionals on a variety of tax related topics.  Terri is a former board member of the WICPA and a former member of the AICPA Affordable Care Act task force. 

Paul Neiffer, a tax principal, is an Agribusiness and business advisor specializing in income taxation and accounting services related to farmers and processors. He is a member and past-chair of the Farm Financial Standards Council and authors a monthly column for Top Producer magazine called “The Farm CPA.” Paul has written articles for the Farm Journal Media companies and maintains a blog on called the “The FarmCPA”. This blog is also accessible at Paul has presented numerous talks on various tax and accounting subjects including many related to farm taxation and management. Paul was instrumental in the Congressional discussions that resulted in the “grain glitch fix” in early 2018, after the enactment of the Tax Cuts and Jobs Act. Paul is the chair of the AICPA Ag Conference committee.

John Werlhof, CPA, is a tax principal in Sacramento, CA and provides tax research and planning services to privately held businesses and their owners.  He serves clients in all phases of the business cycle and has deep expertise in business acquisitions, dispositions, financings, and restructurings. He has authored articles which have been published in Journal of Taxation, The Tax Adviser, Corporate Taxation, and Practical Tax Strategies. John has experience facilitating tax trainings for Big 4, national, and regional CPA firms.