"I strive to find the optimum solution for a client.
There's seldom a perfect solution, but there's always
an optimum one."
25 West Middle Lane
Rockville, Maryland 20850
David S. De Jong
Different needs, different resources, even if it’s the same type of legal matter. It’s the kind of personal and customized approach—one reliant on each client’s unique situation—that defines how David De Jong dedicates himself to the wide variety of clients he serves.
As chair of the firm’s Tax Practice group – one of 36 firms nationally ranked Tier 1 in Tax Litigation and Controversy by U.S. News & World Report – David helps businesses and individuals with a broad range of tax planning and federal and state controversy matters, estate planning, business transactions and valuations. A CPA with a Master of Laws in Taxation from Georgetown University Law Center, he is accredited in estate planning by the National Association of Estate Planners and Councils and in business valuation by both the American Institute of Certified Public Accountants and the National Association of Certified Valuators and Analysts. With over 40 years of experience, David brings a high level of expertise, creativity, sound judgment and personal attention to helping solve his clients’ tax, estate and business matters.
David is a nationally recognized tax authority and speaks to various industry groups throughout the country. Co-author of J.K. Lasser’s book, Year-Round Tax Strategies, for 16 years, he has been frequently quoted in a number of publications, including the Wall Street Journal and the New York Times. He has also testified as an expert witness over 50 times in tax, estate, business valuation and economic income matters.
Additionally, David is active in many professional groups. Among them are the American Academy of Attorney-Certified Public Accountants, where he formerly served as National President and received the Louis S. Goldberg Memorial Award for lifetime service to the organization, and the Bar Association of Montgomery County and Foundation, which recognized him as an Honorary Life Bar Leader for his many years of committed service.
Outside of Stein Sperling, David is an adjunct professor of law at Washington & Lee University, team teaching a two-week intensive "practicum" in business transactions. He previously taught a miscellany of tax and business courses for four other universities, including American University and the University of Maryland. He is a past Treasurer and Board Member of the Metropolitan Center for the Visual Arts. David also captains a competitive trivia team that has won three state championships.
University of Maryland (B.A., 1972)
Washington & Lee University (J.D., 1975)
Georgetown University (LL.M., Taxation, 1979)
District of Columbia
U.S. District Court, District of Maryland
U.S. District Court, District of Columbia
U.S. Tax Court
U.S. Court of Federal Claims
U.S. Court of Appeals, 4th Circuit
U.S. Court of Appeals, D.C. Circuit
U.S. Court of Appeals for the Federal Circuit
U.S. Supreme Court
American Academy of Attorney-Certified Public Accountants, Board Member, Past National President
Virginia State Bar, Tax Section
American Bar Association, Tax Section
American Institute of Certified Public Accountants, Tax Section
American University Kogod School of Business, Adjunct Professor of Corporate Taxation, Employee Benefit Plans, State and Local Taxation, Real Estate Transactions (1983-2002)
Association of Practicing Certified Public Accountants
Montgomery/Prince George's County Tax Study Group
Bar Association of Montgomery County, Member and Past Chair, Tax Section
Collaborative Divorce Association, Member and Past Treasurer
District of Columbia Bar, Tax Section
Estate Planning Council of Suburban Maryland, Member and Past President
Greater Washington Institute of Certified Public Accountants, Tax Section
Maryland Association of Certified Public Accountants
Maryland State Bar Association, Tax Section, Past Member of Tax Section Council
Maryland Society of Accountants and Tax Professionals
Metropolitan Center for the Visual Arts, Past Board Member and Past Treasurer
Montgomery College, Instructor of Introduction to Taxation (1983)
Montgomery County, Maryland, Bar Foundation, Board Member
National Association of Estate Planners and Councils
National Association of Certified Valuators and Analysts, Ethics Oversight Board Past Chair and Maryland-D.C. Chapter, Past President
Southeastern University, Adjunct Professor of Corporate Taxation, Partnership Taxation, Employee Benefit Plans, Real Estate Transactions, Estate and Gift Taxation, Estate Planning Workshop, Income Taxation of Estates and Trusts, Exempt Organizations (1979-1985)
University of Maryland, Instructor of Management Accounting, Budgeting and Financial Systems, Introduction to Taxation (1981, 1986-1987)
Washington and Lee University, Adjunct Professor of Law, Business Transactions (2012 - present)
Best Lawyers (2015-2019)
Maryland Super Lawyers magazine
Washington, D.C. Super Lawyers magazine
Super Lawyers Business Edition, Top Attorneys in Tax Law (2014-2016)
SmartCEO magazine, Power Players Finalist (2013)
SmartCEO magazine, Greater Washington Legal Elite (2006-2009; 2012-2013)
Worth magazine, Top 100 Attorneys in the United States (2006)
CPA Magazine, Top 50 IRS Representation Practitioners (2008)
CPA Magazine, 40 Top Tax Advisors to Know In a Recession (2009)
Super Lawyers Corporate Counsel Edition, Top Attorneys in Tax Law (2009)
American Association of Attorney-Certified Public Accountants, Louis S. Goldberg Memorial Award for lifetime service (2009)
Bar Association of Montgomery County, President’s Citation for Distinguished Service (2008)
Montgomery County, Maryland Bar Foundation, Honorary Lifetime Bar Leader (2008)
National Association of Certified Valuation Analysts, State Chapter Presidents’ Leadership Award (2007)
Martindale-Hubbell, AV Preeminent peer review rating
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