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Firm Profile

Certified Public Accountants New York

The Michael J. Berger and Co. accounting firm began in 1978. Our accounting firm in Long Island, NY, practices public accounting, primarily for small and medium-sized business clients. Personal service and availability are the strongest assets of our firm and its personnel. The firm prides itself on these attributes along with timely and accurate tax preparation and small business accounting in Long Island, NY. We are proud of our long-term personnel and feel this shows our dedication both to them and to our clients. Continuity on our part means less disruption for you. During tax season we are available to handle individual tax returns with our team of professionals.

Meet our team by visiting the profiles below. Our experienced CPAs enrolled agents, and tax preparation specialists are ready to assist you with all of your financial needs. When you work with a qualified CPA in Long Island, NY, you can count on them to provide you with the services you need to grow and maintain your business.

Michael J. Berger, CPA

Managing Partner


Michael began public accounting in 1969 after working in the family business. Michael received his Associates Degree from Nassau Community College and then completed his Bachelors Degree at C.W. Post College of Long Island University. After working for two small local accounting firms Michael began this firm, with others, in 1978. This firm has been successful with small to medium sized companies mainly on Long Island through personalized services. Michael continues with annual continuing education as required by New York State. At this firm since 1978.

Jack M. Rosenthal, E.A.

Enrolled Agent


Jack began with Michael J. Berger and Co., CPA's, LLP over 40 years ago. Jack received an Associates degree from Farmingdale College and received a Bachelor's degree from CW Post Long Island University. Jack does client accounting, business and personal income tax returns on a regular basis. Jack is currently an Enrolled Agent. Jack continues with 'continuing education' as required by the Internal Revenue Service. At this firm since 1979.

Beth A. Friedman, CPA



Beth received her Accounting degree from Ithaca College in New York, in 1997. Beth worked for an accounting firm in New York City for 5 years while earning her CPA. Beth began at Michael J. Berger and Co., CPA's, LLP in 2003 and is also the firm's Certified QuickBooks Pro Advisor. Beth does accounting, business and personal tax returns on a regular basis. When she is not at work, she enjoys spending time with her 2 children. At this firm since 2003.

Richard W. Marsteller, CPA



Richard received his Bachelors Degree, Magna Cum Laude, from SUNY at Albany and became a CPA in 2000, upon passing all 4 segments of the CPA exam in one sitting. After spending 11 years with 2 Long Island based accounting firms, Richard joined Michael J. Berger and Co., CPA's, LLP, in 2000, and performs a wide variety of accounting and tax-related services for the firm's clientele. At this firm since 2000.

Elena Kraveski, E.A.

Enrolled Agent


Elena started at Michael J. Berger and Co., CPA's, LLP in October 1980 as an Administrative Assistant and went on to become a Staff Accountant in 1988. Elena does accounting, business and personal income tax returns on a regular basis. She graduated from St. Joseph's College in Patchogue, New York. At this firm since 1980.

Kaitlin McGuire, E.A.

Enrolled Agent


Kate started at Michael J. Berger and Co., CPA's, LLP in May 2005 as a high school intern. While she was earning her degree from St. Josephs College in Patchogue, NY, she advanced from Administrative Assistant to Staff Accountant.  Kate passed the Enrolled Agent exam in November 2018.  Kate does accounting, business and personal Income Tax Returns on a regular basis. At this firm since 2005.


Dione Dekas

Staff Accountant


At this firm since 2019.

Kimberly Cameron

Accountant and Full Charge Bookkeeper.


At this firm since 2020.


Tania Cabrera

Kerry Ann Seaman

Brian Kelly, E.A.

Enrolled Agent


Brian received his Bachelor's degree in Accounting from Fordham University in New York. Brian began his career with the Internal Revenue Service in 1977 and over the next 33 years, held various audit positions involving individual and corporate taxation. Brian prepares personal income tax returns throughout the year. Brian started with Michael J. Berger and Co., CPA's, LLP in 2013. At this firm since 2013.

Edward W. Halleran, E.A.

Enrolled Agent


At this firm since 2020.

Donald W. D'Aquila

Tax Preparer


Don brings thirty years of tax preparation experience to our firm. At this firm since 2020.


Anne Robelen-Matienzo

Office Manager


Anne began at Michael J. Berger and Co., CPA's, LLP over 38 years ago. Anne is a full-time Office Manager.  At this firm since 1981.

Larissa Janetakis



At this firm since 2018.

Tova Nicholson



At this firm since 2017.

Emily Karl

Administrative Assistant


Emily began at Michael J. Berger and Co., CPA's, LLP in 2018 as an Administrative Assistant. Emily is an accounting student attending a local College. At this firm since 2018.