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Partners, principals and associates

Whitney Fossum St. Charles

2460 Executive Drive
St. Charles, MO 63303



Email: whitney.fossum@wipfli.com

Whitney Fossum, CPA

Senior Manager

Whitney Fossum is a senior manager who brings 15 years of experience in public accounting to Wipfli. Her focus includes not-for-profit entities and financial services industries. Whitney is focused on providing clients with financial reporting, analysis and consulting efficiencies. Whitney’s proactive communication and problem-solving abilities allow her to provide insightful advice to clients on how to achieve their strategic objectives and financial goals.


  • Certified Public Accountant

Professional memberships and activities

  • American Institute of Certified Public Accountants (AICPA) – Member
  • Missouri Society of Certified Public Accountants (MOCPA) – Member and Past Chair, Community Outreach Task Force
  • Women of Wipfli Business Resource Group – Member
  • Wipfli Valor Business Resource Group – Member
  • Professional Woman’s Alliance – Past Treasurer
  • 80-Twenty Church – President


Assurance services

Areas of Focus

  • Serving as an outsourced CFO and controller so that organizations can have more time to focus on their business
  • Partnering with business owners to help them build key performance indicators (KPIs) and dashboards to better manage their business operations
  • Discussing growth ideas and strategic opportunities to assist organizations in achieving their goals
  • Maintaining quality relationships and providing value-added service


Missouri State University

  • Master of accounting degree, graduated cum laude
  • Bachelor of science degree in accounting