Tom Luken

Tom Luken, CPA, is the chief operating officer and a partner of Sikich LLP. Tom is responsible for managing the firm’s operations, focusing on client satisfaction, process improvement, growth and unifying the firm’s unique culture among all offices.

Tom successfully led Kolb+Co.’s tax practice until he was elected president in 2000, and in 2013, Kolb+Co. was acquired by Sikich LLP. Tom has assisted clients in areas such as:

  • Establishing and implementing key business strategies
  • Management of multi-faceted organizations
  • Integrating revenue generating and operational strategies
  • Corporate planning
  • Implementing cost-effective, high ROI management solutions
  • Facilitating management communications
  • Counseling CPA firms on profit enhancement and other practice management matters


  • American Institute of Certified Public Accountants
  • Wisconsin Institute of Certified Public Accountants
  • PrimeGlobal Past Member, Board of Directors
  • Metropolitan Milwaukee Association of Commerce’s Council of Small Business Executives, Board of Directors
  • Westmoor Country Club, Past President, Board Member and Chairman of Strategic Planning Committee


  • Bachelor’s Degree in Business Administration – University of Notre Dame