Mark S. Hamill
Professional Profile
Mark Hamill is a partner in the Litigation and Antitrust & Competition groups. Mr. Hamill focuses his practice on litigation and investigations involving economic, financial, accounting, and auditing issues, including matters centered around alleged antitrust violations, accounting improprieties, audit failures, and securities frauds.
Representative Matters
- Accounting firm defense in U.S. District and Bankruptcy Courts, State Courts, and State CPA Societies in disputes challenging the propriety of financial statements and alleging failure to comply with auditing standards.
- Post-closing purchase price adjustment arbitrations involving accounting for inventory, receivables, and accrued expenses.
- Internal investigations addressing Foreign Corrupt Practices Act compliance by the European subsidiaries of a U.S. company in the medical devices industry, stock-options backdating, pension accounting, inventory accounting, and the conduct of the Italian member firm of a global accounting network.
- Represented Ventana Medical Systems, a manufacturer of high-tech medical diagnostic equipment, in patent, antitrust and trade secret litigation in federal court in Boston. Kirkland took over the case, captioned CytoLogix Corporation v. Ventana Medical Systems, Inc., from a prior firm after an adverse finding on liability for patent claims and obtained a full defense verdict following a three-week jury trial on all antitrust claims and held patent damages to ten percent of plaintiff's demand.
- Represented insurers in matters arising out of the accounting frauds at Enron Corp. and HealthSouth Corp.
Memberships & Affiliations
American Bar Association, Sections of Antitrust and Litigation
Illinois State Bar Association
Chicago Bar Association, Antitrust Law and Securities Law Committees
American Institute of Certified Public Accountants
Prior Experience
Prior to joining Kirkland & Ellis LLP, Mr. Hamill was an associate at Baker & McKenzie LLP and Katten Muchin Rosenman LLP in Chicago.
Prior to attending law school, Mr. Hamill worked as a Certified Public Accountant at KPMG where he performed and supervised audits and special projects in a variety of industries, as an internal auditor at Whirlpool Corporation, and as a consultant at Deloitte where he focused on internal audit, regulatory consulting, and enterprise risk management. Mr. Hamill also served as a Material Control & Accounting Specialist in the United States Army for three years, where his assignments included a one-year tour in the Sinai, Egypt with the Multinational Force & Observers, an international organization charged with supervising the implementation of the security provisions of the Egyptian-Israeli Peace Treaty of 1979.Courts
U.S. District Court for the Northern District of Illinois
U.S. Court of Appeals for the First Circuit
U.S. Court of Appeals for the Sixth Circuit
