Mark Hosfield headshot Mark Hosfield
(312) 506-1515

Mark Hosfield is a Principal at Davis & Hosfield Consulting LLC.  His practice is focused on providing consulting and expert witness assistance to clients and counsel in commercial disputes. A former Controller and Vice President of Finance, he has financial management and operational experience in industry as well.  Mark has extensive experience developing damage theories and performing analyses involving lost profits, economic damages, incremental profits, fixed and variable costs, reasonable royalties, price erosion, unjust enrichment, business valuations, discounted cash flows, lost compensation, business interruption, construction claims and prejudgment interest.  He has issued expert reports reflecting his professional opinions in these respective areas.

Mr. Hosfield has testified as an expert witness in both state and federal court at deposition, trial and arbitration.  He has worked on behalf of both plaintiffs and defendants in disputes.

Mr. Hosfield has provided financial consulting services in a variety of industries including, but not limited to, consumer products, computer hardware and software, construction, financial institutions, insurance, health care, manufacturing, pharmaceuticals, real estate, retail, securities and transportation. He also has experience in management consulting, specifically for construction project management and construction claims.  Mr. Hosfield has designed and developed integrated scheduling and cost management systems for controlling projects as well as for performing delay and productivity analyses.


Masters of Management – Finance, Accounting and Operations Management –Kellogg Graduate School of Management, Northwestern University

B.S. Secondary Education – Mathematics, and Teaching Minor in Physics – University of Illinois at Urbana-Champaign

Accounting Coursework – Southern Illinois University at Edwardsville, evening studies, additional accounting and business law coursework


Certified Public Accountant (CPA)

Certified Management Accountant (CMA)


American Institute of Certified Public Accountants (AICPA)

Institute of Management Accountants (IMA)

Illinois CPA Society (ICPAS)

American Bar Association (ABA)

Economic Club of Chicago


Proving and Pricing Construction Claims, (Contributing Author), John Wiley & Sons, NY, 1990, Second Edition 1996

Environmental Dispute Handbook (Contributing Author), John Wiley & Sons, NY, 1991

Choosing an Estimating System, Illinois CPA Society Construction Contractors Committee annual seminar

Pricing Damages from a Construction Failure, Construction Litigation Super conference

ITT Kent College of Law, Presentation of a construction claims in a mock trial

Proving and Pricing Construction Claims, Construction Litigation Super conference

Representing the Sophisticated Owner, Construction Litigation Super conference

Designing and Using Project Management Systems, Metier Management Systems Seminars

Contingent Environmental Liabilities, Wisconsin CPA Society and Wisconsin Bar Association

Financial Analysis in Litigation, Missouri Bar Association Seminar

Minimizing Environmental Costs for the 90’s, National Association of Accountants for Cooperatives

Effective Expert Witness Testimony, American Bar Association, Committee on Corporate Counsel, February 1999

How to Find, Use and Defend Against the Expert Witness, American Bar Association, Franchising Without Borders, October 2000

High Tech Experts in High Tech Trials, Legal Works 2000, Glasser Legal Works, October 2000, April 2001

Damages:  Measure for Measure, Really?”  Representing Estate and Trust Beneficiaries and Fiduciaries 2016, American Law Institute Continuing Legal Education.  Chicago, Illinois, July 8, 2016