Greg M Cooper, CPA CSEP
Greg graduated from Pace University in 1980 with a Bachelor's Degree in Business Administration and has worked in public accounting ever since. Greg spent two years with a Big 4 firm before moving back to his native Sullivan County. He started his own firm in 1988 and has been fortunate enough to see it grow and expand to its current size of 27 motivated employees in three locations.
Greg is licensed in New York and Pennsylvania, and is a
member of the American Institute of Certified Public
Accountants, and a member of the Business Valuation and
Forensic & Litigation Services section, New York and
Pennsylvania State Society of Certified Public Accountants,
and Institute of Business Appraisers, and a Chartered Global Management Accountant member. Greg is a Certified
Specialist in Estate Planning and has been active in many
civic organizations.
gcooper@cooperarias.com
Telephone: 845-796-1800
Andrew J. Arias, CPA, CrFA
Andrew graduated from SUNY New Paltz with a Bachelor's
degree in Accounting, and is the partner in charge of the
firm's audit department. In addition to being a CPA,
Andrew has also earned the designation of Certified Forensic
Accountant (Cr. FA).
He is a member of the American Institute of Certified
Public Accountants, the New York State Society of
Certified Public Accountants, and the American College of
Forensic Examiners Institute.
aarias@cooperarias.com
Telephone: 845-796-1800
Susan M. Peters, CPA
Susan graduated from SUNY Oneonta with a Masters degree in Business Economics and became a CPA in 2000. She specializes in governmental and not-for-profit accounting. Sue has been with the firm since 1997 and was admitted as a partner in June 2014.
Sue is a member of the American Institute of Certified Public Accountants, and the New York State Society of Certified Public Accountants.
Telephone: 845-796-1800
Deborah L. Amelio, CPA
Deborah graduated from SUNY Albany with a bachelor of science degree in Accounting in 1984 and became a licensed CPA in 1992. She has 26 years of experience in public accounting. She was a partner with Urmston, Forshee, Plain and Amelio CPAs PLLC and joined Cooper Arias in November 2014 when the two firms merged.
Deborah is a member of the American Institute of Certified Public Accountants, and the New York State Society of Certified Public Accountants.
Telephone: 845-343-2215
Kulli Kask, CPA
Kulli Kask is a CPA and has been with Cooper Arias, LLP since 2008. She graduated Summa Cum Laude from SUNY New Paltz and has over 20 years of corporate and personal accounting experience. Kulli also has an MS/MA in Engineering from the Tallinn Polytechnic Institute in Estonia.
She is a board member with the Sullivan County Childcare Council and was previously a board member with Sullivan County Head start. Kulli is a member of the American Institute of Certified Public Accountants and the New York State Society of Certified Public Accountants.
Kulli was admitted as a partner on January 1, 2021.
Telephone: 845-796-1800
Dianne Walzer, CPA
Dianne Walzer is a CPA and has been with Cooper Arias, LLP since 2010. She earned her Bachelor of Science in Accounting from SUNY New Paltz.
Dianne is a member of the American Institute of Certified Public Accountants and the New York State Society of Certified Public Accountants.
Dianne was admitted as a partner on January 1, 2021.
Telephone: 845-796-1800
Margaret Quimby
Margaret Quimby is an Audit Partner at Cooper Arias, LLP. She earned her Bachelor of Science in Accounting from SUNY New Paltz and has been with the firm since 2005. Margaret is also a member of the New York State Society of Certified Public Accountants.
Margaret was admitted as partner on January 1, 2024.
Telephone: 845-796-1800
Danielle Fratto
Danielle Fratto is a Tax Partner and works out of the Goshen and Rockland offices. She has a Bachelor of Science degree in Accounting from Pace University and has been with Cooper Arias, LLP since 2007. She is a member of the New York State Society of Certified Public Accountants and the National Association of Tax Professionals.
Danielle was admitted as partner on January 1, 2024.
Telephone: 845-343-2215