Fairfax Office
202-652-4500 Ext. 105
Baltimore Office
443-482-9500 Ext. 105
Annapolis Office
443-482-9500 Ext. 105
Washington DC Office
202-652-4500 Ext. 105
Email Address
John S. Leonard
CPA/ABV
Manager
John S. Leonard is a manager at Vallit Advisors, LLC. Since 2017, he has provided forensic and valuation litigation services as a Certified Public Accountant (CPA), licensed in Virginia and Washington, DC, and as an Accredited Business Valuator by the AICPA. He has testified as an expert witness over 20 times in the areas of business valuation, income determination, property distribution, tax, bankruptcy, and damage calculations. He has testified in the Virginia counties of Fairfax, Loudoun, Arlington, and Prince William, Bucks County, PA, State Tax Commissioner of West Virginia, and US District Court E.D. VA.
John was elected to the 2024-2025 Virginia Society of CPAs, Northern Chapter, Board of Directors. He was appointed as the Treasurer and liaison to the Forensic and Valuations Services (FVS) Special Interest Group.
- B.S., Biology, Wake Forest University, 2000
- Certificate of Accounting, George Mason University, 2009
Licensed Certified Public Accountant
- Commonwealth of Virginia – License No. 43576 (2015-Present)
- District of Columbia – License No. CPA921399 (2019-Present)
- AICPA Accredited in Business Valuation – ABV (2022-Present)
- Member, AICPA – American Institute of Certified Public Accountants
- Member, AICPA Forensic and Valuation Services Section
- Member, Virginia Society of Certified Public Accountants
- Member, National Association of Certified Valuators and Analysts
- Volunteer, Virginia Collaborative Professionals, Divorce with Respect Week
- Vallit Advisors, LLC – 2024 – Present
- Principal, Finance & Valuation Experts, Inc. – 2023 – 2024
- Partner, Aiken Warner Leonard, PLLC – 2020 – 2023
- CPA, Aiken & Company, PC, CPAs – 2017 – 2020
- Senior Accountant, National Wildlife Federation – 2010 – 2017
- Board, Financial Oversight Committee, Oakton, VA Not-for-Profit
- Member, Financial Review Committee, Centreville, VA PTA
- Volunteer, Junior Achievement of Greater Washington Finance Park
- Adoptive Parent Panel Discussion and Conference Coordinator, Children’s Home Society
- “Business Valuation Introduction”, Fairfax Bar Association Family Law Section Meeting – March 2023
- “Financial Literacy for Lawyers”, Fairfax Bar Association Family Law Section Meeting – February 2023
- “Forensic Accounting & Valuation Services for Family Law Attorney Practice in Northern Virginia” – March 2021
- “New Accounting Rules That Will Impact Your Controller and CFO”; Mid-Atlantic Association of Financial Professionals – September 2019
- “Negotiating Spousal Support and Other Current Issues Related to Family Law Matters”; Fairfax Bar
Association, Family Law Section Meeting, 2.0 CLE – May 23, 2019 - “Introduction to Cryptocurrency: Technology, Tax, & Discovery Issues”; Fairfax Bar Association, Family
Law Section Meeting, 1.0 CLE March 11, 2019 - “Impact of Tax Cut and Jobs Act on Small Business”; Northern Virginia Association of Realtors and
RE/MAX West End – June 2018 - “Qualified Business Income Deduction for Small Businesses”; Northern Virginia Association of Realtors
– January 2018