David M. Allen's practice focuses on tax, succession and business planning for clients of significant wealth, including closely held business owners, private equity fund managers, art collectors, corporate executives and other professionals. He handles a wide variety of matters for these clients on local, national and international levels. David is highly skilled in advising clients with regard to tax, succession and charitable planning, probate administration, the integration of estate plans and corporate structures, and cross-border tax planning.

David is a frequent lecturer on various topics. His speaking engagements include presentations regarding estate planning for Florida domiciliaries, trust decanting, estate planning of digital assets, income taxation of trusts, expatriation and international trust and estate planning.