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Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 40 years of experience. Raised in Montgomery County, David always intended to practice law in his “home town”. He has been instrumental in maintaining Stein Sperling’s collegial, small-firm feel while helping its tax department grow into a regional powerhouse.

David has a gift for putting himself in his clients’ shoes to gain a deep understanding of their tax-related concerns. He works hand-in-hand with them, providing first-rate representation and solutions customized to individual circumstances. David’s confidence and experience give his clients peace of mind that their tax matters – big and small – are in the right hands. David brings a high level of expertise, creativity, sound judgment and personal attention to helping solve his clients’ tax, estate and business matters.

Coauthor for 16 years of J.K. Lasser’s book, Year-Round Tax Strategies, David has been quoted frequently in a variety of publications including the Wall Street Journal and the New York Times. He has testified as an expert witness more than 50 times in tax, estate, business valuation and income matters and is an often requested speaker before industry groups throughout the country. Trained in collaborative law and mediation, David is available to assist divorcing and other disputing parties in resolution of those differences.

David is an integral part of many professional groups including the American Academy of Attorney-CPAs, of which he served as National President and received a prominent award for lifetime service to the organization. The Bar Association of Montgomery County recognized David as an Honorary Life Bar Leader for his many years of committed service. He is an adjunct professor at Washington & Lee University where he teaches an annual two-week intensive course in business transactions.

Contact & Links
  • 1101 Wootton Parkway, Suite 700
    Rockville, MD 20852
  • Washington and Lee University, J.D., graduated 1975
  • University of Maryland, BA, graduated 1972
  • Georgetown University, L.L.M., Taxation, graduated 1979
Bar Admissions
  • Maryland, State Bar Association
  • District of Columbia, Bar Association
  • Virginia, State Bar Association
  • Bar Association of Montgomery County, Maryland - Member and Past Chair, Tax Section
  • Maryland State Bar Association, Tax Section - Past Member of Tax Section Council
  • District of Columbia Bar, Tax Section - Member
  • Virginia State Bar, Tax Section - Member
  • American Bar Association, Tax Section - Member
  • American Academy of Attorney-Certified Public Accountants - Board Member, Past National President
  • American Institute of Certified Public Accountants, Tax Section - Member
  • American University Kogod School of Business, Adjunct Professor of Taxation (1983-2002) - Corporate Taxation; Employee Benefit Plans; State and Local Taxation; Real Estate Transactions
  • Association of Practicing Certified Public Accountants - Member
  • Estate Planning Council of Suburban Maryland - Member and Past President
  • Greater Washington Institute of Certified Public Accountants, Tax Section - Member
  • Maryland Association of Certified Public Accountants - Member
  • Maryland Society of Accountants and Tax Professionals - Member
  • Metropolitan Center for the Visual Arts - Past Board Member and Past Treasurer
  • Montgomery College, Instructor of Introduction to Taxation (1983) - Member
  • Montgomery County, Maryland, Bar Foundation - Past Board Member
  • Montgomery/Prince George's County Tax Study Group - Member
  • National Association of Certified Valuators and Analysts - Ethics Oversight Board Past Chair and Maryland-D.C. Chapter, Past President
  • National Association of Estate Planners and Councils - Member
  • Southeastern University, Adjunct Professor of Corporate Taxation(1979-1985) - Partnership Taxation; Employee Benefit Plans; Real Estate Transactions; Estate and Gift Taxation; Estate Planning Workshop; Income Taxation of Estates and Trusts; Exempt Organizations
  • University of Maryland, Instructor (1981, 1986-1987) - Management Accounting; Budgeting and Financial Systems; Introduction to Taxation
  • Washington and Lee University (2012 - present) - Adjunct Professor of Law; Business Transactions
Court Admissions
  • 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

Recognized in The Best Lawyers in America® 2024 for work in:
  • Litigation and Controversy - Tax
  • Tax Law
  • Trusts and Estates
  • Best Lawyers (2015-2020)
  • Maryland Super Lawyer (2007-2019); Top 100 Attorneys in Maryland (2013-2019); Top 50 Attorneys in Maryland (2009-2010)
  • Washington, D.C. Super Lawyer (2007-2018); Top 100 Attorneys in Washington, D.C. (2009-2010, 2012-2017, 2018)
  • Bar Association of Montgomery County, President’s Citation for Distinguished Service (2008)
  • Montgomery County, Maryland Bar Foundation, Honorary Lifetime Bar Leader (2008)
  • Washingtonian; Top Estate Planners (1994, 2009); Top Tax Lawyers (2011-2019)
  • American Association of Attorney-Certified Public Accountants; Louis S. Goldberg Memorial Award for lifetime service (2009)
  • CPA Magazine; Top 50 IRS Representation Practitioners (2008); 40 Top Tax Advisors to Know In a Recession (2009)
  • National Association of Certified Valuation Analysts, State Chapter Presidents’ Leadership Award (2007)
  • SmartCEO Magazine; Power Players Finalist (2013); Greater Washington Legal Elite (2006-2009; 2012-2013)
  • Worth Magazine, Top 100 Attorneys in the United States (2006)
  • Martindale-Hubbell, AV Preeminent peer review rating

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