Heather Acker

Partner, CPA · +1 (608) 240 2374 (Madison), +1 (312) 729 8188 (Chicago)

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As a partner and an assurance professional practice group leader, Heather Acker oversees all aspects of quality for Baker Tilly’s public sector assurance practice. An experienced professional who specializes in serving the needs of state and local government clients, Heather also serves as the firm’s Central region assurance leader and chair of the Baker Tilly Assurance Innovation Committee. She joined Baker Tilly in 1997 and has actively participated in professional industry development activities throughout her career.

  • Oversees the financial and single audits of numerous municipal and county governments
  • Provides technical assistance to local governments in preparing comprehensive annual financial reports, as well as tax incremental financing; business improvement district; and special service area auditing, reporting and consulting services
  • Presents audit reports to local government boards and committees
  • Prepares Governmental Accounting Standards Board (GASB) strategic planning and implementation services for clients
  • Guides execution of accounting policies and procedures to improve the operation of the accounting function and strengthen internal controls
  • Leads the Baker Tilly Single Audit Committee
  • Oversees firmwide public sector and single audit training and audit methodology updates
  • Performs peer reviews
  • Licensed CPA in Illinois and Wisconsin
  • American Institute of Certified Public Accountants (AICPA)
  • AICPA state and local government expert panel (2009-2012 and 2015-present) and chair (2016-present)
  • AICPA Government Audit Quality Center Executive Committee (2012-2015)
  • AICPA peer review oversight program
  • GASB tribal government accounting workshop group  (2018-present)
  • Government Finance Officers Association (GFOA)
  • GFOA Special Report Review Committee
  • Wisconsin Institute of Certified Public Accountants
  • Wisconsin Government Finance Officers Association
  • Illinois Government Finance Officers Association
  • Regular speaker at national and regional industry conferences
  • Authors published articles on municipal accounting issues
  • Recognized contributor to AICPA, including:
    “State and local government audit guide”
    “Government auditing standards and single audit guide”
    “State and local government audit risk alert”
    “Government auditing standards and single audit risk alert”




University of Wisconsin – Madison
Bachelor of Business Administration in accounting