Thirty-seven years as a business lawyer, focused on acquisitions of privately-held and publicly-traded corporations, as well as subsidiaries and divisions thereof, strategic alliances, corporate finance, bankruptcy reorganizations, corporate and antitrust litigation and other corporate matters. Thirty-eight years of teaching Legal Aspects of Corporate Finance at New York University School of Law and Fordham Law School, respectively. Author of Legal Aspects of Corporate Finance, Sixth Edition 2023, used in twenty-two U.S. Law Schools. Co-lecturer with former Delaware Chancery Court Judge William Allen on the Law and Business of Investment Banking at the New York University Center for Law and Business. Specialties: Corporate Transactions, Corporate Governance and Customary Practice in the preparation third party legal opinions., as well as the duties of counsel for recipients of third party opinions. A continuing 34-year member of the TriBar Legal Opinion Committee, the Reports of which are published in The Business Lawyer. Author of Chapter 3 (Legal Opinions on Corporate Matters) of the 2010 Third Edition of the treatise, Legal Opinion Letters: A Comprehensive Guide to Opinion Letter Practice.Mediated a number of major M&A and Securities law cases both privately and as a Special Master of the New York Supreme Court - Appellate Division, First Judicial Department.Party appointed arbitrator of commercial and governance/ valuation disputes. Expert Witness and consulting engagements with respect to complex corporate reorganization matters, corporate governance issues and legal malpractice cases.