Yeo & Yeo Promotes Mackenzie Doyle and Sierra Roy to Manager

Yeo & Yeo is pleased to announce the promotion of Mackenzie Doyle, CPA, and Sierra Roy, CPA, from Senior Accountant to Manager. Doyle and Roy are members of the firm’s Assurance Service Line, helping organizations navigate audits and compliance requirements.

Mackenzie Doyle joined Yeo & Yeo in 2021 and has steadily advanced, earning recognition for her strong technical skills and reliability across engagements. Based in the Alma office, she focuses on assurance services for government entities, school districts, and for-profit organizations, with advanced proficiency in employee benefit plan audits. Her work with plans subject to ERISA, including 401(k) and 403(b) audits, has made her a go-to resource for both colleagues and clients navigating complex reporting requirements. Mackenzie holds a Bachelor of Business Administration in Accounting from Northwood University and is a Certified Public Accountant.

Sierra Roy joined Yeo & Yeo in 2021 and is based in the Ann Arbor office. A member of the firm’s Education Services Group, Sierra specializes in assurance services for government entities, school districts, and nonprofit organizations. She has extensive experience auditing under government auditing standards, including single audits and audits conducted in accordance with 2 CFR 200. Known for her strong technical knowledge and thoughtful approach to complex compliance requirements, Sierra is a trusted resource for both clients and colleagues. She holds a Bachelor of Business Administration in Accounting from the University of Michigan–Dearborn and is a Certified Public Accountant. She is a member of the Michigan Association of Certified Public Accountants and the American Institute of Certified Public Accountants.

“Mackenzie and Sierra have consistently demonstrated the technical skill, accountability, and professionalism our clients rely on,” said Jamie Rivette, Principal and Assurance Service Line Leader. “Their promotions reflect their growth, dedication, and readiness to take on greater leadership responsibilities while continuing to deliver exceptional service.”