John Mahon > Proskauer Rose LLP > Washington DC, United States > Lawyer Profile
Proskauer Rose LLP Offices

1001 PENNSYLVANIA AVE, N.W.
SUITE 600 SOUTH
WASHINGTON, DC 20004-2533
DISTRICT OF COLUMBIA
United States
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John Mahon

Work Department
Corporate
Position
John Mahon is a partner in Proskauer’s Registered Funds group and a member of the Investment Management practice. John has nearly 20 years of experience working with asset management clients in structuring, launching and managing regulated fund products and other permanent capital vehicles.
He represents private equity firms, credit managers and other financial sector participants in a wide range of fund formation, capital markets and securities law matters, including both public and private offerings of business development companies (BDCs) and other alternative vehicles, such as registered closed-end funds and interval funds.
John also has extensive experience in advising asset managers on the unique regulatory complexities involved in launching and managing registered funds and BDCs, including as part of larger platforms, and has sought and obtained SEC exemptive relief on behalf of numerous clients. He has been involved with more than 100 debt and equity offerings, including over 20 initial public offerings (IPOs), reflecting an aggregate of over $10 billion in total proceeds.
John’s work in securities law and mergers and acquisitions includes providing guidance to many New York Stock Exchange (NYSE) and Nasdaq-listed companies in connection with ongoing corporate governance and SEC reporting and compliance matters. He has routinely handled issues involving tender offers, proxy solicitations, going-private transactions, and beneficial ownership reporting obligations.
John previously worked in the U.S. Securities and Exchange Commission’s Division of Corporation Finance, where he earned the SEC Capital Markets Award.
He is a prominent and engaged member of the investment management community. He has spoken and written on topics ranging from SEC regulations and disclosure obligations to public and private capital raising structures, 1940 Act regulated funds and M&A issues.
John has served as an adjunct professor at the George Washington University Law School since 2009, and at the Georgetown University Law Center since 2023. He also formerly served as the chair of the Corporate Finance Committee of the Corporation, Finance and Securities Law Section of the District of Columbia Bar.
Lawyer Rankings
United States > Investment fund formation and management > Mutual/registered/exchange-traded funds
Proskauer Rose LLP is a trusted counselor to investment companies and their board directors, fund complexes and financial services firms, with expertise in registered funds and registered alterative fund products, including exchange traded funds, money market funds and business development companies. Furthermore, the ‘very knowledgeable and professional’ team advises on novel developments in the field, including recently on blockchain-enabled registered funds as well as evolving regulations in the field. Practice head Stuart Coleman sits in New York and offers a comprehensive advisory service to registered fund companies and board directors, including Apollo Independent Director Engagements and Central Park Group Funds. New York based David Stephens further strengthens the regulatory side of the practice, especially in SEC regulations and the Advisers Act. The grew in the last year with the addition of John Mahon in March 2023 from Schulte Roth & Zabel LLP in Washington DC.
Lawyer Rankings
Top Tier Firm Rankings
- Labor and employment > Employee benefits, executive compensation and retirement plans: design
- Labor and employment > Labor and employment disputes (including collective actions)
- Labor and employment > Labor-management relations
- Industry focus > Sport
- Labor and employment > Workplace and employment counseling
Firm Rankings
- Media, technology and telecoms > Advertising and marketing: litigation
- Insurance > Advice to policyholders
- Investment fund formation and management > Alternative/hedge funds
- Labor and employment > Employee benefits, executive compensation and retirement plans: transactional
- Labor and employment > ERISA litigation
- Dispute resolution > General commercial disputes
- Tax > International tax
- Tax > Not-for-profit (Fortune 1000 private foundations, national trade associations, and charities)
- M&A/corporate and commercial > Private equity buyouts: middle-market (Up to $500m)
- Investment fund formation and management > Private equity funds (including venture capital)
- Real estate > Real estate
- Real estate > Real estate investment trusts (REITs)
- Tax > US taxes: non-contentious
- Intellectual property > Copyright
- Media, technology and telecoms > Cyber law (including data privacy and data protection)
- Labor and employment > Immigration
- Media, technology and telecoms > Media and entertainment: litigation
- Finance > Restructuring (including bankruptcy): corporate
- Antitrust > Civil litigation/class actions: defense
- Dispute resolution > Corporate investigations and white-collar criminal defense
- Environment > Environment: transactional
- Dispute resolution > Leading trial lawyers
- Healthcare > Life sciences
- Media, technology and telecoms > Media and entertainment: transactional
- Investment fund formation and management > Mutual/registered/exchange-traded funds
- Dispute resolution > Securities litigation: defense
- Healthcare > Service providers
- Media, technology and telecoms > Technology transactions
- Intellectual property > Trade secrets (litigation and non-contentious matters)
- Intellectual property > Trademarks: litigation
- M&A/corporate and commercial > M&A: large deals ($1bn+)
- Real estate > Real estate finance
- Dispute resolution > Appellate: courts of appeals / Appellate: supreme courts (states and federal)
- Finance > Commercial lending