Mark Sawyer, CPA

Senior Manager

Mark Sawyer, CPA is a senior manager at William Vaughan Company with more than 12 years of experience helping clients navigate the assurance landscape. Mark’s areas of expertise include the on-site execution and supervision of audit engagements. He has significant nonprofit experience and serves as the in-charge auditor on several complex projects. Mark holds a bachelors degree, as well as a master’s in accounting from Bowling Green State University.

Why did you join William Vaughan Company?

After graduating college I worked for a very small accounting firm and was looking for a larger, but still locally owned firm that would offer me more opportunities.

What are you most passionate about in your work?

I truly enjoy helping my clients grow their businesses by implementing and educating them on audit procedures that result in a positive financial impact.

What has been your most rewarding client experience?

It’s always rewarding to exceed a client’s expectations. By simplifying the audit process and making it painless for them, I take pride in knowing I improved their experience and helped further develop our working relationship.

What makes William Vaughan Company different?

The flexibility William Vaughan Company offers along with the fun work environment set it apart from anywhere else I’ve worked.

What do you enjoy doing outside of work?

I really like to spend time with my wife and kids, going for runs, and coaching my son’s flag football team.

What’s a fun fact few would know about you?

Not many people know that I grew up on a grain farm in central Ohio where I started driving a tractor at (probably) too young of an age.


  • Ohio Society of Certified Public Accountants (OSCPA)
  • American Institute of Certified Public Accountants (AICPA)


  • Bowling Green State University