John R. Null CPA

John will serve as the lead relationship and audit shareholder. He joined Schneider Downs in 2005 after spending 18 years with a national accounting firm, including the last six years as an audit partner. John has more than 34 years of professional experience serving higher education, health care, arts organizations, foundations and other not-for-profit clients. He is an experienced business advisor, providing clients with timely, innovative and high-quality advice on a broad array of accounting, finance, corporate governance and general business issues.

John also has significant experience serving publicly traded and privately held, middlemarket companies in the manufacturing, distribution, construction and services industries. He is also a frequent speaker on various auditing and accounting topics and has significant experience providing audits under OMB Uniform Grant Guidance and ERISA/DOL requirements.


B.S. - Accounting, Penn State University

Professional and Community Involvement

Chair—Schneider Downs Higher Education Services Industry Group

Member—American and Pennsylvania Institutes of Certified Public Accountants

Member—National Association of College and University Business Officers

Member—Board of Directors, Focus on Renewal Neighborhood Corporation

Treasurer—Westminster Presbyterian Church of Upper St. Clair

Do you have a hobby or personal passion?
I enjoy my family and playing golf. At work, I love building great teams. 

What was your childhood dream?
To become a Major League Baseball player

If you could go back in time, what advice would you give your college self?
Build and grow relationships – you’ll spend the rest of your life expanding and building upon them. 

What was your first job?
I was a paperboy.

Do you have a “motto?”
“What’s next?” 

Do you have advice for young professionals?
Don’t be afraid to figure out what you like and what you are good at. Hopefully at some point in your life, you’ll find a few things that appear on both lists.

John R. Null CPA

our thoughts on

Tax BY Kirk Mitchell
Proposed Bipartisan Tax Plan Released – Overview of the Tax Relief for American Families and Workers Act of 2024
ESG BY Matt Hartman
Understanding CA SB 261: The Greenhouse Gases: Climate-Related Financial Risk Act
Fraud Week 2023: Frauds of the Rich and the Famous
2024 Cost-of-Living Adjustments for Retirement Plans and IRAs
Think Before You Click: Fake Browser Updates are Back in Style
big problem:
Let’s discuss preventing ransomware attacks on your company. Email me directly here.
big thinking:
Company impacted by ransomware.

Trevor Warren joined Schneider Downs in 2001 and has more than 20 years of experience in public accounting. He mainly focuses on audit, review, and compilation engagements, and services a diversified number of industries from automotive to nonprofit.

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