DuvallWheeler, LLP


Who We Are

    • William S. Duvall, CPA, CVA

      Bill has over 30 years of public accounting experience. He started his career working in security-sensitive areas of the CIA holding advanced clearances. He entered public accounting in 1984 and is licensed as a Certified Public Accountant (CPA) in Virginia, Maryland and North Carolina.

      Bill holds the designation of Certified Valuation Analyst (CVA). Bill has qualified as an expert and testified in General District, Circuit, Federal and Federal Bankruptcy Courts. He has been voted a “Virginia Super CPA” for his business valuations work on numerous occasions. In addition, he has also been honored with the designation of a “Smart CPA” by Smart CEO Magazine on several occasions. He has spoken nationally for the AICPA and has been published by the AICPA as a contributor to the strategic planning section of the Management of an Accounting Practice Handbook. He is also a past President of the VSCPA Northern Chapter.

      Bill gives back to his community and profession as well by serving on various boards and professional committees and having served as an officer for local civic and non-profit organizations. He is married with one son and enjoys fishing and the beach.

    • Regina N. Jessop, PAFM

      As the administrative partner for DuvallWheeler and with more than 25 years of public accounting experience, Regina’s thorough understanding of the unique needs facing many small employers in today’s business environment is unparalleled. Having started her professional career with the Federal government and subsequently advancing through the ranks of private industry, her experience has included managing the day-to-day operations of both small and medium-sized accounting firms in the Washington DC metropolitan area. Her wealth of knowledge on the how-to’s of running a successful business is now being carried over to DuvallWheeler.

      Regina is actively involved in her community, and has been recognized for her numerous efforts by being voted “Chamber Member of the Year for 2008.” She has also been recognized as a Public Accounting Firm Manager by the CPA Firm Management Association.

      Regina is married, and she and her husband have resided in Manassas for the past 25 years with their canine family.

    • J. Timothy Mauk, CPA

      As a principal of the firm, Tim’s progressive accounting, tax and financial management experience has been developed not only as a CPA in public practice, but also as a CFO and Corporate Controller for privately-held companies.  In addition to working with small and middle-market local businesses, Tim also has extensive experience with rapid growth multi-company environments and mergers and acquisitions.

      He is a graduate of George Mason University and a member of the American Institute of Certified Public Accountants (AICPA) and the Virginia Society of Certified Public Accountants (VSCPA).

      Tim was voted a 2013 “Virginia Super CPA” for his work in the area of assurance services (auditing). He was also selected as the Best Accountant in Prince William County in the 2016 Best of Prince William survey.

      Tim is married and enjoys golfing when he can during his free time. Tim and his wife also share their home with adopted former racing greyhounds.

    • Shannon D. Hagerich, CPA, MST

      As the tax partner of the firm, Shannon has over 17 years of public accounting experience. She is a licensed Certified Public Accountant and received her Master’s Degree in taxation from American University.

      Shannon has a wide range of professional experience, including individual, corporate, fiduciary, estate and non-profit taxation. She also has many years of experience in dealing with the Internal Revenue Service and state taxing jurisdictions and often assists clients in resolving various complex issues ranging from unfiled tax returns to disputes over assessments made by taxing authorities.

      Shannon has been recognized as a “Smart CPA” by Smart CEO Magazine, and has also been voted a 2013 “Virginia Super CPA” for her work in the area of corporate tax.

      Shannon is a member of the American Institute of Certified Public Accountants (AICPA) and the Virginia Society of Certified Public Accountants (VSCPA). Shannon is married with a son and a daughter, is an animal lover and also enjoys sports and the outdoors.

    • Judy L. Perry

      Judy is a degreed accountant with over 25 years of experience as a full-charge paraprofessional, bookkeeper and tax preparer.  She discovered her interest in accounting while working in the accounting department of a large family business and returned to school to get her accounting degree when her youngest child started school.  Over the years, she has continued to gain valuable experience in a variety of accounting systems by working closely with many small business owners and their accounting departments in a variety of industries.

      Judy is in charge of DuvallWheeler’s small business accounting department that assists a variety of clients with accounting issues, payroll reports, Quickbooks support and training and accounting procedures. Judy’s diversified experience has enabled her to become a valuable source that many small businesses turn to for guidance and advice for their day-to-day operations.

      Judy is married with two grown children and three grandchildren, loves the outdoors and gardening.

    • David C. Lamb, CPA, CFE, MSA

      David comes to DuvallWheeler after completing his Masters in Accounting from Liberty University and is currently licensed as a CPA in the Commonwealth of Virginia. He received his undergraduate degree in accounting from the University of Georgia and worked in the profession in the Athens, Georgia, area for several years prior to his relocation to Northern Virginia.

      David’s strong background and knowledge in accounting compliments his growing tax skills as he assists with much of the A&A work in the firm and deals with many clients in the small business department. He is also very active with the consulting practice of the firm and has received his Certified Fraud Examiner (CFE) certification.

      David has been voted a 2013 “Virginia Super CPA” in the Young CPAs category.

      David is married with one son, has two dogs, is an avid Georgia Bulldogs football fan and lives in the Manassas area.  He is an active member of the Rotary Club of Manassas, is a talented golfer and enjoys golfing as well as brewing his own beer and is a cooking enthusiast.

    • Gary L. Saber, CPA

      As the tax manager of the firm, Gary brings a wealth of knowledge and experience to DuvallWheeler. Gary is able to enhance DuvallWheeler’s tax practice through his 25+ years of hands-on tax experience with both private and public, medium and large-size firms in the Washington, D.C. area.

      Gary is a graduate of Robert Morris College where he obtained his Associate of Arts, Bachelor of Arts and Bachelor of Science degrees. He is a licensed CPA in the Commonwealth of Virginia and State of Maryland.

      In addition to having a thorough understanding of developing tax strategies for both individuals and businesses, Gary has a comprehensive knowledge of the day-to-day nuances faced by those pursuing a business interest in the fields of wineries and breweries. Not only does he understand the challenges faced by both entrepreneurs and masters in these areas, his experiences with these niche markets allow him to develop and tailor strategies unique to each business in order to provide the best environment for success.

      Gary is married with two children and two dogs. He and his wife reside in Woodbridge and his interests include the Virginia wine and brewery industries, studying Virginia history and traveling to the beach and to the mountains. Gary is a dedicated Capitals and Nationals fan.

    • Barbara W. Hutto, CPA, CGMA

      Barbara has over 30 years of public accounting experience. She began her career in public accounting in 1982 with the top “Big 8” firm, rising to the level of Senior Audit Manager before leaving to work in the defense contract industry. She returned to public accounting 23 years ago during which time she has served a broad range of clients in various industries. She is a licensed Certified Public Accountant and Chartered Global Management Accountant.

      Barbara’s focus is in forensic accounting. She holds a Certificate in Forensic Accounting from Georgetown University.

      She is active in the professional societies. She was on the Board of Directors of the Greater Washington Society of CPAs and is currently an ethics instructor for the Virginia Society of CPAs. She is also active in community activities, serving as chairperson for the annual Clifton Arts Festival and as a volunteer instructor for the Fairfax County Public Schools’ financial literacy program.

    • Logyn N. Blume

      Logyn has joined the DuvallWheeler team as a staff accountant. Her knowledge, experience and expertise continue to grow as she works with our corporate and individual clients requiring accounting and tax services.

      Logyn is a graduate of the University of Maryland with a BS in Business Administration. She is currently pursuing her goal of obtaining her CPA designation within the next year.

      Logyn’s interests include herb gardening and winemaking. She resides in the Haymarket area with her husband and Roxy, the canine princess.

  • Our Mission

    Welcome to DuvallWheeler, CPAs, serving the diversified needs of both businesses and individuals. We are “Proven Professionals Exceeding Your Expectations.” DuvallWheeler provides professional services, offers tailored solutions and enhances our clients’ financial positions, while exceeding their expectations. Our mission is to assist clients in complex situations with understanding their options and achieving their goals.