Meet the consultants of Denman & Company. Their experience and expertise can’t be matched, and we’re pleased to have them on the team.

Dale Cremers, CPA, CFF – Consultant

Dale Cremers applies more than 35 years of experience as a Certified Public Accountant where he works closely with clients in business planning, risk management, financial and capital analysis, business expansion, acquisitions and sales, and business succession as well as the traditional accounting and tax services.

He joined us in a company merger in 2015, and today specializes in assisting attorneys and insurance professionals in their litigation, investigative and settlement processes. He is also an experienced expert witness and has rendered advice and testified in a variety of areas including bankruptcy proceedings, Department of Labor litigation, client defenses, shareholder disagreements, matrimonial disputes, and in closely held business issues. He served as past chairman of the Iowa Society’s Quality Review Executive Committee, past member of the Quality Review Committee and was a past member of the Iowa Board of Accounting Task Force. Dale holds certificates to practice in Iowa and Nebraska.


  • BA in Business Administration, University of Iowa


  • Member of Iowa Society of Certified Public Accountants
  • Member of American Institute of CPA’s

Community Involvement

Current and past participation in a variety of civic and community committees and boards

Contact Dale Cremers:

Tim Rice, CPA – Consultant

A Des Moines resident for nearly 40 years and a CPA since 1975, Tim Rice specializes in financial reporting, income tax, and consulting services for closely held businesses and nonprofit organizations. His expertise stretches across a number of diverse areas, including construction, farming, manufacturing, and service-related industries.


  • BA in Accounting, Parsons College


  • Member, Iowa Society of Certified Public Accountants
  • Member, American Institute of CPAs

Contact Tim Rice:

Duane Tolander, CPA/ABV, CVA – Consultant

With more than 35 years as a certified public accountant, Duane Tolander specializes in business valuations for acquisitions, divorce, estate, and income tax purposes, and in stock buyouts as well. He has served as an expert witness in cases involving these areas, and additionally has extensive experience consulting with closely held businesses on succession planning issues, mergers and acquisitions, and business loan negotiations. Duane is also an authority on ESOP viability and feasibility studies, and is in demand as a public speaker on these issues and more.


  • BA in Business Administration, Coe College, accounting emphasis


  • Member, Iowa Society of Certified Public Accountants
  • Member, American Institute of CPAs
  • Member, Certified Valuation Analysts
  • Member, ESOP Association
  • Member, National Center for Employee Ownership
  • Member, Financial Planning Association

Contact Duane Tolander:

Mark Wackerbarth, CPA, CFF, CGMA – Consultant

Joining the firm in 1976, Mark’s principal areas of practice include Auditing and Accounting and Litigation Support Services.  In 2008, Mark earned the designation of Certified in Financial Forensics (CFF) and in 2012 became a Chartered Global Management Accountant, both designations from the American Institute of Certified Public Accountants. Mark’s areas of specialization include construction, healthcare and financial forensics.


  • BA in Industrial Administration, Iowa State University, accounting emphasis


  • Member, Iowa Society of Certified Public Accountants, Past President
  • Member, American Institute of CPAs, current AICPA Council Member

Contact Mark Wackerbarth: