Image of Heather  S. Acker

Heather S. Acker

Partner, CPA
608 240 2374

Heather Acker, public sector professional practice leader, has been with Baker Tilly Virchow Krause, LLP since 1997. She is responsible for the quality oversight of the public sector assurance practice of the firm. Throughout her career, she has specialized in serving the needs of state and local government clients. Heather has experience with numerous types of financial and compliance audits including single audits. She has also helped many governments with consultation and implementation of various Governmental Accounting Standards Board (GASB) pronouncements.


  • Leader in Baker Tilly’s professional practice proup
  • Partner of the financial audits of numerous municipalities and counties
  • Partner of single audits in accordance with the Uniform Guidance
  • Provides technical assistance to local governments in preparing Comprehensive annual financial reports that receive the GFOA certificate for excellence
  • Provides Tax Incremental Financing (TIF), Business Improvement District (BID), and Special Service Area (SSA) auditing, reporting, and consulting services
  • Presents audit reports to local government boards and committees
  • Provides GASB strategic planning and implementation services to clients
  • Provides guidance on accounting policies and procedures to improve the operation of the accounting function and strengthen internal controls
  • Provides a variety of accounting and budgeting assistance to municipalities
  • Oversees the Baker Tilly Public Sector Assurance Committee
  • Leads the Baker Tilly Single Audit Committee
  • Oversees coordination of firmwide single audit training and annual audit program updates
  • Performs peer reviews
  • Licensed CPA in Illinois and Wisconsin


  • American Institute of Certified Public Accountants (AICPA)
  • AICPA Government Audit Quality Center (GAQC) Executive Committee (2012‒2015)
  • AICPA State and Local Government Expert Panel (2009‒2012 and 2015-present)
  • AICPA Government Accounting and Auditing Conference Committee (2013‒2015)
  • GASB Tribal Government Accounting Workshop Group (TGAWG)
  • Government Finance Officers Association (GFOA)
  • GFOA Special Report Review Committee
  • Wisconsin Institute of Certified Public Accountants (WICPA)
  • Illinois Government Finance Officers Association (IGFOA)
  • Wisconsin Government Finance Officers Association (WGFOA)
  • Speaks at national and regional industry conferences
  • AICPA Peer Review oversight program
  • Authors published articles on municipal accounting issues
  • Recognized contributor to AICPA publications
  • Oversees the Baker Tilly local government client webinars


University of Wisconsin–Madison
Bachelor of Business Administration in accounting

Continuing Education

  • AICPA national annual Governmental and Nonprofit Training Program (GNTP), speaker
  • AICPA national Governmental Accounting and Auditing Conference (GAAC), speaker
  • Government Financial Officers Association (GFOA) national conferences, speaker
  • AICPA Governmental Audit Quality Center (GAQC) annual webcast updates, speaker
  • AICPA “Single Audit Roundtable” sessions
  • Generally Accepted Government Auditing Standards (Yellow Book) training
  • Accounting and auditing updates (Baker Tilly)
  • Public sector single audit training (Baker Tilly)
  • “IT Risk Assessment Standards (RAS) Training for Auditors” (Baker Tilly)
  • “HIPAA Privacy and Security for Professional Service Providers” (Baker Tilly)
  • “Independence: Historical Insights and Today’s Rules”
  • “Common Fraud Schemes in Government” (Baker Tilly)