William B. Kirshenbaum

    Morris Polich & Purdy LLP
    Los Angeles
    Direct: 213.417.5121
    Main: 213.891.9100

    Practice & Industry Focus Biographies:

    • Main Biography
    • Aviation & Marine Law
    • Banks & Financial Institutions
    • Corporate Transactions
    • Cyber, Privacy & Data Security
    • Employment Law
    • Insurance Coverage
    • Outside General Counsel
    • Real Estate Law
    • Sports, Leisure, Entertainment & Event Contingency
    • Trademark & Copyright

    Bill Kirshenbaum focuses his practice on business matters, with an emphasis on mergers and acquisitions, joint venture formations, corporate reorganizations, financings, licensing and commercial transactions. He is an advisor to domestic and international businesses ranging from entrepreneurs and family businesses to Fortune 500 companies.

    Mr. Kirshenbaum’s industry experience includes aerospace, architecture, manufacturing, entertainment, real estate, retail chains, automotive, restaurants and apparel. He has served either as inside or outside general counsel for a number of companies. In these roles, he has extensive experience in the coordination of all legal affairs, including mergers and acquisitions, intellectual property, government contracts and commercial agreements with financing sources, customers, suppliers and employees. He also has many years of experience managing human resource, safety and environmental departments. With his diverse legal background and practical experience as a business executive, Mr. Kirshenbaum creates sensible and cost-effective solutions for his clients. His experience enables him to quickly understand his clients’ businesses, including the customs and practices of their industries, and to proactively prevent unforeseen problems and costly litigation.

    Mr. Kirshenbaum has wide-ranging knowledge of the aviation industry gained from more than 15 years as general counsel for an international aerospace company. His expertise includes government contracts, long-term supply contracts with OEM’s and major airlines, the purchase, sale, financing and leasing of aircraft and engines, and compliance with FAA regulations.

    Mr. Kirshenbaum also has substantial experience with international transactions, negotiating deals in Australia, Canada, China, Europe, Malaysia, New Zealand, Central and South America and the United Kingdom.

    Mr. Kirshenbaum has successfully restructured several businesses through Chapter 11 cases, loan restructurings, and out-of-court workouts. He has extensive experience advising automobile manufacturers regarding their rights and obligations under automobile lease and finance agreements, both in and out of bankruptcy court.
    His practice also focuses on insurance coverage matters, including employment practices liability.

    Practices & Industries:  Aviation & Marine Law  |  Banks & Financial Institutions  |  Corporate Transactions  |  Cyber, Privacy & Data Security  |  Employment Law  |  Insurance Coverage  |  Outside General Counsel  |  Real Estate Law  |  Sports, Leisure, Entertainment & Event Contingency  |  Trademark & Copyright


    • J.D., University of California, Los Angeles, School of Law, 1984
    • B.S., The Wharton School, University of Pennsylvania, 1981, Accounting and Economics, magna cum laude

    Bar Admissions

    • California, 1984


    • AV® Preeminent™ Peer Review Rated – Martindale-Hubbell

    Speeches, Publications and Email Alerts

    • "Avoid Legal Pitfalls: What Every Business Needs to Know," MPP Seminar, Los Angeles and San Francisco, July 2013
    • "New FMLA Regulations Take Effect March 8, 2013," Email Alert, March 4, 2013
    • "Choosing the Right Business Entity for Your Firm," kTalk video from "Risk Management Best Practices" aecKnowledge continuing education course
    • "California Employment Law: Updates & Changes for 2012," co-presented MPP Seminar, Los Angeles, January 31, 2012 
    • "The Whole Truth About Representations and Warranties," ZweigWhite Mergers & Acquisitions Summit, Las Vegas
    • "Selecting and Forming Business Entities," The Art Institute of San Francisco
    • "Negotiating Contracts in the Entertainment Industry," The Art Institute of San Francisco