Sierra Roy

Sierra Roy is a Manager based in the Ann Arbor office. She is a member of the firm’s Education Services Group and joined Yeo & Yeo in 2021.

Specializations

  • Assurance services with an emphasis on government entities, school districts, and non-profit organizations
  • Audit under government auditing standards
  • Single audits and audits under 2 CFR 200

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • University of Michigan-Dearborn, Bachelor of Business Administration in Accounting

Professional Membership

  • Michigan Association of Certified Public Accountants
  • American Institute of Certified Public Accountants

Mackenzie Doyle is a Manager based in the firm’s Alma office. She is a member of the Assurance Service Line. She joined Yeo & Yeo in 2021. 

Specializations

  • Assurance services with an emphasis on government entities, school districts, for-profit organizations, and employee retirement benefit plans
  • Audit under government auditing standards
  • Single audits and audits under 2 CFR 200

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Northwood University, Bachelor of Business Administration in Accounting

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants

Publications/Seminars

McKenzie Luria is a Manager in the Ann Arbor office. She is a member of the firm’s Assurance Service line. She joined Yeo & Yeo in 2023.

Specializations

  • Audits of school districts
  • Audits of nonprofit organizations
  • Audits under Uniform Grant Guidance (Single Audits)

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Wittenberg University, Bachelor in Accounting & Finance

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants

Community Involvement

  • Founding member of Ann Arbor Women for Good
  • Volunteer for Ladywood Legacy group

Joey Winterstein is a Manager in the Saginaw office. He is a member of the firm’s Education Services Group. He joined Yeo & Yeo in 2019.

Specializations

  • Audits of school districts, nonprofit organizations and healthcare organizations
  • Audits under Uniform Grant Guidance (Single Audits)
  • Audits under Government Auditing Standards

Professional Certifications and Education

  • Certified Public Accountant
  • Northwood University, Bachelor of Business Administration in Accounting

Professional Membership

  • Michigan Association of Certified Public Accountants
  • American Institute of Certified Public Accountants
  • Michigan School Business Officials

Publications/Seminars

  • Presented On Auditing Michigan School Books at the 2024 MICPA Governmental Accounting & Auditing Conference
  • Presented various internal trainings on auditing schools in the State of Michigan

Community Involvement

  • Saginaw Valley Zoological Society (Saginaw Children’s Zoo), Treasurer

Jordan Bohlinger is a Manager in the Flint office. He is a member of the Assurance Service Line and the firm’s Education Services Group. He joined Yeo & Yeo in 2017. 

Specializations

  • Audits of school districts
  • Audits of nonprofit organizations
  • Audits under Government Auditing Standards
  • Single audits and audits under 2 CFR 200
  • 990 Tax Returns

Professional Certifications and Education

  • Northwood University, Bachelor of Business Administration in Accounting

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • Michigan School Business Officials 

Publications/Seminars

  • Presented various internal trainings related to governmental accounting for school districts

Community Involvement

  • Bay Valley Academy Gymnastics Booster Club, treasurer 

Awards

  • Flint and Genesee Group, 40 Under 40 honoree – 2024

Shannon Champagne is a Manager in the Saginaw office. She is a member of the firm’s Nonprofit Services Group and Audit Services Group. She joined Yeo & Yeo in 2018. 

Specializations

  • Audits for school districts, nonprofit organizations and healthcare organizations
  • Audits under government auditing standards
  • Audits under Uniform Grant Guidance (Single audits)
  • Nonprofit tax returns – Form 990

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Saginaw Valley State University, Bachelor in Professional Accountancy

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants

Community Involvement

  • Saginaw Township Soccer Association, past board member
  • Saginaw Young Professionals Network, member

Wendy Thompson is Yeo & Yeo’s training manager. She joined Yeo & Yeo in 2006 and has over 20 years of public accounting experience. Wendy researches and teaches all aspects of accounting, compilations, reviews, audits and nonprofit tax returns. She assists staff in nine Yeo & Yeo offices with software used in these areas and creates and updates best practices. She is a member of the firm’s Audit Services Group, the Nonprofit Services Group and the Compilation and Review team.

Specializations

  • Training and development
  • Audits of nonprofit organizations
  • Audits under government auditing standards
  • Nonprofit organization taxation
  • Single audits under 2 CFR200

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Northern Michigan University, Bachelor of Science in Accountancy
  • Northern Michigan University, Bachelor of Science in Spanish

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • Association for Talent Development (ATD)
  • Michigan Association of Certified Public Accountants’ Nonprofit Task Force

Publications/Seminars

  • The Exception to the Rule: An Analysis of Single Audit Results – MICPA Nonprofit Conference, October 2021
  • Year-End Payroll: Payroll & Tax Returns (941), W-2s – MSBO Conference, October-November 2021 (with Kristi Krafft-Bellsky)
  • Deep Dive Into Form 990 – MICPA Nonprofit Conference, October 2020
  • Form 990 Statement of Revenue – MICPA Nonprofit Conference, October 2020
  • GAAP Alternatives for Nonprofits – MICPA CPE Mega Conference, October 2019
  • Facing the Topic 606 Challenge – MICPA Nonprofit Conference, October 2019
  • A Nonprofit Accounting and Financial Reporting Update – MICPA Nonprofit Conference, October 2019
  • New Accounting Standards for 2018 – Michigan Society of Association Executives 2018 Operations Conference, January 2018
  • What’s All the Fuss About Form 990? eBook
  • Lobbying and Political Expenditures eBook
  • Revenue Recognition for Nonprofits eBook
  • Essential Nonprofit Policies eBook
  • Functional Expense Allocation for Nonprofits After ASU 2016-14 eBook

Community Involvement

  • Boy Scout Troop 760, Scoutmaster
  • Girl Scout Troop, Co-leader
  • Midland High Music Parents Association, Band Representative

Awards

  • Spirit of Yeo Award (2016) – recognizing one individual each year who exemplifies the attributes of the firm’s mission and core values

Timothy Crosson Jr. is a Principal in the Ann Arbor office. He is a member of the firm’s Education Services Group and Audit Services Group. Tim joined Yeo & Yeo in 2014 and has more than 12 years of audit and business consulting experience.

Specializations

  • Audit and assurance services for governmental units, school districts, nonprofit organizations and healthcare organizations
  • Audits under government auditing standards
  • Audits under Uniform Guidance (Single Audits)

Professional Certifications and Education

  • Certified Public Accountant
  • University of Michigan-Dearborn, Bachelor of Business Administration in Accounting

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • Michigan School Business Officials

Publications/Seminars


Community Involvement

  • The University of Michigan-Dearborn Alumni Association
  • Community Choice Credit Union, vice chairman of the board
  • Community Choice Foundation, vice chairman of the board
  • NuPath Community Credit Union, former board member

Michael Evrard is a Principal in the Kalamazoo office. He leads the firm’s Audit Services Group and is a member of the Nonprofit Services Group and the Education Services Group. He joined Yeo & Yeo in 2010.

Specializations

  • Single audits under Uniform Guidance (2 CFR 200)
  • Audits under government auditing standards
  • Audits of school districts
  • Audits of public school academies
  • Audits of nonprofit organizations and Form 990 preparation
  • Audits of 401(k) plans
  • Audits of for-profit companies
  • Data extraction

Professional Certifications and Education

  • Certified Public Accountant
  • AICPA Advanced Single Audit Certification
  • Central Michigan University, Bachelor of Business Administration in Accounting

Professional Membership

  • Michigan Association of Certified Public Accountants
  • American Institute of Certified Public Accountants

Publications/Seminars


Community Involvement

  • Guys Who Give of Kalamazoo County
  • Family Promise of Genesee County, former treasurer
  • Mott College Accounting Advisory Committee, former member
  • Genesee County Habitat for Humanity, former volunteer
  • Leadership Genesee graduate

Michael Rolka is a Principal in the Troy office and serves in the Assurance Service Line. He leads the firm’s Government Services Group. Mike joined Yeo & Yeo in 2012.

Specializations

  • Audits of governmental entities
  • Single audits under Uniform Grant Guidance
  • Audits of school districts
  • Audits under government auditing standards

Professional Certifications and Education

  • Certified Public Accountant
  • Certified Government Financial Manager
  • Saginaw Valley State University, Bachelor of Professional Accountancy
  • Emerging Leaders Academy graduate, 2025

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • Michigan Government Finance Officers Association – Board of Directors and Standards Committee

Publications/Seminars


Community Involvement

  • Special Olympics, volunteer
  • Clinton River Watershed Council Finance Committee
  • LEA Global Volunteer Week, volunteer

Awards

  • Auburn Hills Chamber of Commerce – Tomorrow’s 20 Award, May 2025

Jennifer Watkins is a Principal in the Flint office. She has extensive experience in providing audit services for nonprofit organizations and school districts, and is the Education Services Group leader. She is a frequent presenter at regional and statewide school and governmental accounting conferences and is a member of Michigan Department of Education Committees that provide accounting guidance for school districts. She joined the firm in 2006.

Specializations

  • Performing auditing and assurance services for governmental units, school districts and nonprofit organizations
  • Performing audits under Uniform Guidance (single audits) and audits under Government Auditing Standards

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Central Michigan University, Bachelor of Science in Business Administration

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • Association of School Business Officials (ASBO)
  • Michigan School Business Officials (MSBO)
  • Michigan Department of Education’s 1022 Committee
  • Michigan Department of Education’s Audit Referent Committee
  • Various Regional School Business Official Organizations

Publications/Seminars


Community Involvement

  • Zonta Club of Flint Board of Directors
  • Genesee County Habitat for Humanity
  • United Way of Genesee County
  • Leadership Genesee
  • Genesee County Humane Society
  • St. Paul Lutheran Church & School volunteer
  • Powers Catholic High School volunteer
  • Whaley Children’s Center

Jamie Rivette is a Principal in the Saginaw office audit department. She leads the firm’s Assurance Service Line and is a member of the Government Services Group. She joined Yeo & Yeo in 1999 and is a member of the Yeo & Yeo Board of Directors.

Specializations

  • Assurance services for governmental units, school districts and not-for-profit organizations
  • Audits under government auditing standards
  • Single audits under 2 CFR 200

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Certified Government Financial Manager (CGFM)
  • Northwood University, Bachelors in Accounting

Professional Membership

  • American Institute of Certified Public Accountants
  • Government Finance Officers Association
  • Michigan Association of Certified Public Accountants
  • Michigan Association of School Boards
  • Michigan Government Finance Officers Association, past board member
  • Michigan Government Finance Officers Association – Accounting and Auditing Standards Committee
  • Michigan Government Finance Officers Association – Mentoring and Membership Committee
  • Michigan Municipal Executives
  • Michigan Municipal League
  • GFOA Certificate of Achievement for Excellence in Financial Reporting Program – Special Review Committee

Publications/Seminars


Community Involvement

  • Hemlock School Board of Education, treasurer
  • Hemlock/Ling Elementary Parent Teacher Organization, past treasurer
  • Junior League Community Advisory Board
  • Girls on the Run, past volunteer coach
  • Hemlock Middle School Cross Country, past assistant coach

Awards

  • Michigan Association of Certified Public Accountants’ Women to Watch – Experienced Leader Award – 2019

Brian Dixon is the Managing Principal of the firm’s Saginaw office. He is a member of the firm’s Education Services Group and Health Care Services Group. He joined Yeo & Yeo in 1998.

Specializations

  • Audits of healthcare organizations
  • Audits of local school districts
  • Audits of not-for-profit organizations
  • Audits of small businesses
  • Audits under government auditing standards
  • Single audits under OMB A-133 and 2 CFR 200

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • AICPA Advanced Single Audit Certification
  • Northwood University, Bachelors in Accounting

Professional Membership

  • Michigan Association of Certified Public Accountants
  • American Institute of Certified Public Accountants
  • Healthcare Financial Management Association
  • Michigan School Business Officials

Publications/Seminars


Community Involvement

  • Frankenmuth Credit Union, board chairman
  • Carrollton Education Foundation, board treasurer 
  • Saginaw Hospital Finance Authority, board member
  • United Way of Saginaw County, board treasurer
  • Saginaw Area Jaycees Foundation Scholarship Fund, SCF Fund Representative
  • Yeo & Yeo Foundation, Vice President
  • Leadership Saginaw Alumnus

Kristi Krafft-Bellsky is the firm’s Director of Quality Control, overseeing the development and implementation of policies and processes to comply with professional standards and regulatory requirements. She joined Yeo & Yeo in 2003 and is a Principal in the Saginaw office. She is a member of the firm’s Education Services Group and the Technology and Innovation Team.

Specializations

  • Technical guidance and support on complex accounting and auditing issues
  • Oversight of professional performance, including engagement quality control reviews, internal quality performance reviews and the peer review process
  • Audit and attestation services for nonprofit organizations, government entities, health care organizations and school districts
  • Audits under Governmental Auditing Standards
  • Single audits

Professional Certifications and Education

  • Certified Public Accountant (CPA)
  • Western Michigan University – Master of Science in Accountancy
  • Western Michigan University – Bachelor of Business Administration

Professional Membership

  • American Institute of Certified Public Accountants
  • Michigan Association of Certified Public Accountants
  • BDO Alliance USA
  • Michigan School Business Officials (MSBO)
  • MDE School Auditing Manual Referent Group, member

Publications/Seminars


Community Involvement

  • Frankenmuth Community Foundation’s Legacy Ball Committee – treasurer
  • 100+ Women Who Care Mid-Michigan – member
  • Saginaw County 1000 Leaders graduate
  • Leadership Saginaw County graduate
  • Member of the Executive Committee for Early Childhood Investment Corporation