David S. De Jong
Principal
1101 Wootton Parkway, Suite 700
Rockville, Maryland 20852
301-838-3204 direct
301-354-8104 fax
ddejong@steinsperling.com
Practice Areas
Business Law, Estates, Trusts & Probate, Tax Law
- Profile
- Education
- More
Chair of Stein Sperling’s nationally regarded tax law group, David De Jong is a recognized and highly sought industry authority with more than 45 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.
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.
University of Maryland (B.A., 1972)
Washington & Lee University (J.D., 1975)
Georgetown University (LL.M., Taxation, 1979)
Washington & Lee University (J.D., 1975)
Georgetown University (LL.M., Taxation, 1979)
Outside of the office, David captains a competitive trivia team that has won or come second in seven state championships. He is also an avid sports fan, fisherman and world traveler.
Admissions & Certifications
Maryland
District of Columbia
Virginia
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
Memberships & Activities
Bar Association of Montgomery County, Maryland
Virginia State Bar, Tax Section
American Bar Association, Tax Section
American Academy of Attorney-Certified Public Accountants
American University Kogod School of Business, Adjunct Professor of Taxation (1983-2002)
Estate Planning Council of Suburban Maryland
Maryland Association of Certified Public Accountants
Maryland Society of Accountants and Tax Professionals
Metropolitan Center for the Visual Arts
Montgomery County, Maryland, Bar Foundation
National Association of Certified Valuators and Analysts
Southeastern University, Adjunct Professor of Corporate Taxation (1979-1985)
Best Lawyers (2015-2024)
Maryland Super Lawyer (2007-2024)
Montgomery County, Maryland Bar Foundation, Honorary Lifetime Bar Leader (2008)
Bethesda Magazine
American Association of Attorney-Certified Public Accountants
SmartCEO Magazine
Martindale-Hubbell, AV Preeminent peer review rating
Admissions & Certifications
Maryland
District of Columbia
Virginia
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
Memberships & Activities
Bar Association of Montgomery County, Maryland
- Member and Past Chair, Tax Section
- Past Member of Tax Section Council
Virginia State Bar, Tax Section
American Bar Association, Tax Section
American Academy of Attorney-Certified Public Accountants
- Board Member, Past National President
American University Kogod School of Business, Adjunct Professor of Taxation (1983-2002)
- Corporate Taxation
- Employee Benefit Plans
- State and Local Taxation
- Real Estate Transactions
Estate Planning Council of Suburban Maryland
- Member and Past President
Maryland Association of Certified Public Accountants
Maryland Society of Accountants and Tax Professionals
Metropolitan Center for the Visual Arts
- Past Board Member and Past Treasurer
Montgomery County, Maryland, Bar Foundation
- Past Board Member
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 (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
- Management Accounting
- Budgeting and Financial Systems
- Introduction to Taxation
- Adjunct Professor of Law
- Business Transactions
Best Lawyers (2015-2024)
Maryland Super Lawyer (2007-2024)
- Top 100 Attorney in Maryland (2013-2024)
- Top 50 Attorney in Maryland (2009-2010)
- Top 100 Attorney in Washington D.C. (2009-2010, 2012-2017, 2019-2023)
Montgomery County, Maryland Bar Foundation, Honorary Lifetime Bar Leader (2008)
Bethesda Magazine
- Top Attorney (2019, 2021, 2023)
- Top Estate Planners (1994, 2009)
- Top Tax Lawyers (2011-2020)
American Association of Attorney-Certified Public Accountants
- Louis S. Goldberg Memorial Award for lifetime service (2009)
- Top 50 IRS Representation Practitioners (2008)
- 40 Top Tax Advisors to Know In a Recession (2009)
SmartCEO Magazine
- Power Players Finalist (2013)
- Greater Washington Legal Elite (2006-2009; 2012-2013)
Martindale-Hubbell, AV Preeminent peer review rating
