About Us


About Fritz DeGuglielmo LLC, Certified Public Accountants

Fritz DeGuglielmo LLC has been doing business in Newburyport, Massachusetts for over 35 years. The firm currently has the following professionals who are directly involved in the services we provide to our clients:

Stephen J. DeGuglielmo, CPAstephend@fd-cpa.com

Steve is the managing partner of the firm with over thirty years of experience in public accounting. Steve provides tax, tax planning and tax saving strategies to individuals and business owners. He also works closely with business owners to provide solutions to the challenges of operating a business and advises nonprofit organizations on IRS regulations particular to their industry.

Daniel E. Schaffner, CPA - daniels@fd-cpa.com

Dan joined the firm in 2005 and has nearly fifteen years of professional accounting experience in assurance, accounting and tax services. Dan oversees the firm’s assurance services, and is also significantly involved in providing tax services to businesses, trusts, individuals and non-profit organizations. Prior to joining the firm, Dan was employed by firms in New Orleans, LA and Houston, TX. Dan is a native of Georgetown, MA and holds Bachelor’s degrees in accounting and finance from Tulane University in New Orleans. Dan is licensed as a Certified Public Accountant in Massachusetts and in Texas.

Oliver H. Brown, CPA, MSA - oliverb@fd-cpa.com

Oliver graduated from the University of Massachusetts Boston with a Master’s degree in accounting in 2010 and earned his license to practice as a certified public accountant in 2011. Oliver is significantly involved in performing the firm's assurance services and well as assisting tax preparation services. Prior to joining the firm, he audited HUD programs under Government Audit Standards for compliance with federal regulations for an international accounting firm. Oliver is licensed as a Certified Public Accountant in Massachusetts.

Lorraine Mahoney, EA - lorri@ritzpayroll.com

Lorri is an Enrolled Agent admitted by the US Treasury to represent clients before the IRS. Lorri also operates Ritz Payroll Solutions, Inc., an affiliate of the firm that provides payroll and related services to many of our clients and others. Lorri has over twenty years experience providing tax and payroll services to our clients and others. If you have any questions regarding payroll or are interested in payroll services we provide, please contact Lorri at 978-462-2161x5 or click on the Ritz Payroll button at the top of the page to visit the Ritz Payroll Solutions, Inc. website.

John Fritz CPA

John C. Fritz, CPAjohnf@fd-cpa.com

John is founding partner of the firm and has over thirty-five years of experience in public accounting and serving businesses and individuals in the local area. John officially retired from the firm in 2012. John graduated from Bentley College, earned his CPA certificate and in 1975, established the firm in Newburyport.

Marina A. Koroleva, MBA - marinak@fd-cpa.com

Marina joined the firm in 2013 as a staff accountant and earned her MBA from Salem State University in 2014. Marina is currently studying to for the CPA exam. Marina currently assists in all aspects of the firm's services.

William R. Sylvanowicz, EA, MBA - williams@fd-cpa.com

Bill is an enrolled agent licensed by the Treasury Department to represent taxpayers before the Internal Revenue Service since 1988. He has extensive experience in accounting and preparation of taxes for individuals, small businesses, partnerships and corporations. His experience also includes financial positions in industry as well as the principal in his own accounting and tax practice. He holds a BSBA in accounting from Suffolk University, Boston, MA and an MBA from Rivier College, Nashua, NH.

Daniel J. Ahern, CPA - danea@fd-cpa.com

Dane graduated from University of New Hampshire in 2001 with a Bachelor's Degree in Business Administration. In 2013, he graduated from Southern New Hampshire University with a Master's in Accounting and in 2014 became licensed to practice as a certified public accountant. Prior to joining the firm, Dane completed an extensive internship where he audited 401(k), 403(b) and pension plans. He also worked as a staff accountant for a local firm specializing in tax preparation. Prior to his accounting career, he established a successful landscaping and excavation company for more than ten years.