Skip to content

Maner Costerisan announced it has named Cortney Plowman a manager in the firm. Plowman has worked for five years for the Lansing-based certified public accounting firm and will serve in the audit department in her new supervisory role.

In her managerial position, Plowman will be organizing and overseeing audits to help identify risks within client organizations and foster management plans to address those risks. In addition, she will assist in the career development and professional advancement of apprentice-level staff within department teams. It’s the people she interacts with, both inside and outside the firm, who make the work Plowman performs so rewarding. 

“Our firm culture is amazing, and I enjoy the way we all work together,” she said. “Also, the variety of clients I get to work with keeps everything very interesting.” 

The 29-year-old certified public accountant began working at Maner Costerisan as an associate in 2015 after earning her Bachelor of Science in Business Administration degree from Central Michigan University, where she majored in accounting.

“I was always good at math and liked working with numbers, but I also knew that I wanted to work with people,” Plowman said. “The fact that accounting allowed me to not only work with numbers, but also to help people — it was a perfect fit.” 

Plowman is a member of the Michigan Association of Certified Public Accountants and the American Institute of Certified Public Accountants. She lives in Haslett, where she enjoys kayaking, hiking and music in her free time.

About Maner Costerisan

Maner Costerisan is a full-service public accounting and business advisory firm dedicated to providing quality and reliable services targeted to specific client needs. When clients choose us, they choose a total solution – we pride ourselves on bringing more to the table than the traditional accounting services. Maner Costerisan is an independent member of the BDO Alliance USA, a nationwide association of independently owned local and regional accounting, consulting and service firms with similar client service goals. For more information, visit