About Leo

U.S. and cross-border transactions, seasoned counsel

Leo Loo is an experienced transactional lawyer, strategic legal advisor, negotiator and team leader who represents businesses in a variety of industries in middle-market transactions. His work includes:

  • Complex mergers and acquisitions
  • Commercial financing
  • International transactions
  • Securities
  • Regulatory compliance
  • General corporate law

Assessing risks, opportunities and the specific needs of each client, he works with executives and legal departments to negotiate, structure and close deals that advance a client’s long-range business objectives. Leo is a member of the firm's governing executive committee.

Experience in Action

  • Representing businesses in a variety of industries in mergers, acquisitions, stock and asset purchases and sales.
  • Representing corporations in the construction industry in their sale to leading publicly traded companies.
  • Representing major lending institutions and publicly traded borrowers in connection with commercial and real estate finance transactions.
  • Advising on federal and state regulatory compliance issues for commercial and consumer lending institutions, mortgage bankers and brokers.
  • Representing clients in private placement financing transactions in a variety of industries.
  • Advising on international transactions, involving companies based in and/or acquiring or selling assets in Asia, the Middle East, Israel, Mexico, Canada and Australia.


Mergers and Acquisitions

  • Represented large state university system in its acquisition of a global management learning institution.
  • Represented a medical laboratory in its sale to a publicly traded S&P 500 company in the diagnostics industry.
  • Represented a franchisor of large format printing services, with over 100-plus franchise units, in its sale to an entrepreneurial investment firm.

Financing, Regulatory

  • Represented a leading franchise finance lender in connection with a variety of loans for the acquisition, refinancing and expansion of hotel projects.


  • Represented a health industry company in its expansion efforts across Asia, the Middle East and the United States.
  • Represented a U.S.-based company in its restructuring of subsidiaries in Mexico and across Asia.
  • Represented a buyer group in its purchase of a technology company based in Israel.
  • Represented a U.S.-based freight company in joint venture projects in Canada.

Health Care

  • Represented a medical practice in its purchase and sale to a publicly traded oncology services company.
  • Counseled a network of health clinics in connection with insurance-related regulatory issues.
  • Counseled a medical services management company in connection with compliance matters and in structuring its management services.

Professional Recognitions

  • Recognized as Best Lawyers® 2021, 2023 Phoenix Closely Held Companies and Family Businesses Law "Lawyer of the Year"
  • Recognized as AZ Big Media 2021 AzBusiness Angel of the Year
  • Listed in Best Lawyers in America® (2020-present)
  • Selected as one of the "AzBusiness Leaders" by AZ Business Magazine (2020, 2022)
  • Named to the 2020 Power List by Lawyers of Color
  • Named Top 100 Lawyers in Arizona by AZ Business Magazine (2019, 2022)
  • Named one of the Arizona Business Leaders to Watch in 2019 by AZ
    Business Magazine
  • Named one of the Most Influential Minority Business Leaders of 2016 by Arizona Business Magazine
  • Named a 2016 Arizona Business Leader – Diversity Leader by AZ Big Media
  • Named a 2015 Most Admired Leader by the Phoenix Business Journal
  • Named a 2015 Arizona Business Leader by AZ Business Leaders Magazine
  • Received the 2015 Chairperson’s Award from the Black Chamber of Arizona
  • 2015 Minority Business Leader by AZ Big Media
  • 2013 Community Leader of the Year Award from The National Association of Asian American Professionals
  • Hispanic Hero, Aguila Youth Leadership Institute (2008)
  • Corporate Counsel Black Book (2008)
  • "Forty Under 40" honoree by The Business Journal, 2005
  • Named Top 100 Lawyers in Arizona for 2022 by AZ Big Media
  • Chambers USA®, Corporate/M&A, 2022

Professional & Civic Activities

  • State Bar of Arizona (Member)
  • Maricopa County Bar Association (Former Member, Board of Directors)
  • State Bar of Arizona (Former Secretary, Business Law Section)
  • Chicanos Por La Causa, Inc. (Former Chairman, Board of Directors)
  • Arizona Hispanic Chamber of Commerce (General Counsel, Board of Directors)
  • Greater Phoenix Black Chamber of Commerce (Former General Counsel)
  • Arizona Asian American Bar Association (Former Member, Board of Directors)
  • Citizens Committee on the Future of Phoenix Transportation (Former Member)
  • National Asian-Pacific American Bar Association (Former Alternate Southwest Regional Governor)
  • Maricopa County Colleges Foundation (Former Member, Board of Directors)
  • The Victoria Foundation (Former Member, Board of Directors)
  • Diversity Advisory Council for Maricopa Integrated Health System (Former Member)
  • University of Chicago Alumni Schools Committee (Member)
  • HALO/Helping Animals Live On, Inc. (Former Member, Board of Directors)
  • Governor Napolitano's Asian American Advisory Council (Former Member)
  • City of Phoenix Pacific Rim Advisory Council (Former Chairperson)
  • City of Phoenix Sister Cities Commission (Former Member, Board of Directors)

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