David Allen helps high-net-worth individuals and families with all their legal needs. With an approach that seamlessly integrates estate planning, tax minimization and concierge lawyering, David's advice allows his clients to spend less time managing advisors and more time focusing on their passions, their businesses and their families. From restructuring valuable art collections to coordinating legal services for multibillion-dollar family businesses and family offices, David is often the first and only phone call his clients need to make. His clients live around the world and include private business owners, corporate executives, hedge fund managers and private equity principals. Former professor at John Marshall Law School, David taught a course on estate and gift tax law, and he is a frequent speaker on estate and tax planning related topics, including pre-business sale tax and estate planning, international trust and estate planning, income taxation of trusts, ethical tax planning, trust decanting and estate planning with digital assets. David is also vice chair of the Society of Trust and Estate Practitioners (STEP) Chicago Branch.