Main Office
- One Exchange Place
- Sixth Floor
- Waterbury, CT 06702
- Main Number: (203) 753-2200
- Fax: (203) 756-1608
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Carrie Zimyeski, CPA

Education
- Quinnipiac College, Hamden, Connecticut - Bachelors of Science in Accounting, May 1979
- Certified Public Accountant - State of Connecticut
Employment History
1976 - 1980 - Silverman & Zackin, CPA - Intern through Manager
1980 - 1995 - Nelson Zackin, CPA - Manager
1996 - Present - Zackin Zimyeski Sullivan, CPA, LLC - Partner
2008 - Present - A member of the Board of Directors of a local community bank
Professional Associations and Memberships
- Member, American Institute of Certified Public Accountants
- Member, Connecticut Society of Certified Public Accountants
- Member, Associated Accounting Firms of New England
Area of Expertise
Extensive experience in audit and accounting in various industries, including manufacturing, non-profit, real estate and professional firms. Extensive experience in individual, trust, partnership and corporate tax preparation, compliance and planning. Broad range of management services including review of accounting systems and internal control, business sales and acquisition and bank financing.
Other
- Formerly adjunct professor at a local community college
- Trustee for foundation of local community bank
- Board Member for Literacy Volunteers of Greater Waterbury
- Volunteer for several local charities
Keith Sullivan, CPA

Education
- Marist College, Poughkeepsie, New York- Bachelors of Science in Accounting, May 1987
- Certified Public Accountat- State of Connecticut
Employment History
- 1996-Present- Zackin Zimyeski Sullivan, CPA, LLC- Partner
Professional Associations and Memberships
- Member, American Institute of Certified Public Accountants
- Member, Connecticut Society of Certified Public Accountants
Area of Expertise
Keith Sullivan pecialized in Yellow Book accounting and auditing for over eight years. He is also a QuickBooks Pro advisor.
Other
- Treasurer and Board Member, Children's Community School, Waterbury
- Member on the Foundation Board, St. Mary's Hospital, Waterbury
- Member and Treasurer, Literacy Volunteers of Greater Waterbury
- Board Member, Waterbury Country Club
William Doyle, CPA

Education
- New Haven College, West Haven, Connecticut - Bachelors of Science in Accounting, June 1970
- Certified Public Accountant - State of Connecticut
Employment History
1968 - 1980 - Donald L. Perlroth, CPA - Intern through Manager
1980 - 1995 - Nelson Zackin, CPA - Manager
1996 - Present - Zackin Zimyeski Sullivan, CPA, LLC - Senior Manager
Professional Associations and Memberships
- Member, American Institute of Certified Public Accountants
- Member, Connecticut Society of Certified Public Accountants
Area of Expertise
Extensive experience in audit and accounting in various industries, including manufacturing, non-profit, real estate and professional firms. Extensive experience in individual, trust, partnership, and corporate tax preparation, compliance and planning.
Elizabeth Barber, CPA

Education
- Ithaca College, Ithaca, New York - Bachelors of Science in Accounting, May 1980
- Certified Public Accountant - State of Connecticut
Employment History
- 1980 - 2006 - Lenkowski Lonergan & Co., LLP - Staff Accountant
- 2006 - Present - Zackin Zimyeski Sullivan, CPA, LLC - Manager
Professional Associations and Memberships
- Member, American Institute of Certified Public Accountants
- Member, Connecticut Society of Certified Public Accountants
Area of Expertise
Extensive experience in individual, partnership and corporate tax compliance and planning. Extensive experience in audit and accounting in various industries, including manufacturing, construction, non-profit, real estate and professional firms. Broad range of management services including review of accounting systems and internal control.
Other
- Volunteer for several local charities
Ryan Taranovich

Education
- Southern Connecticut State University, New Haven, Connecticut - Bachelors of Science in Accounting, May 2012
- Post University, Waterbury, Connecticut- Masters of Science in Accounting, October 2019
Employment History
2012 - Present - Zackin Zimyeski Sullivan, CPA, LLC - Staff Accountant
As a Staff Accountant, Ryan works as a team member on our audit and accounting engagements. He maintains financial reports, records and general ledgers, prepares and analyze budgets and perform general bookkeeping. He also prepares income tax returns for both our individual and business clients.
Sarah Chapman

Education
- Western Connecticut State University, Ancell School of Business, Danbury, Connecticut – Bachelor of Business Administration – Accounting, May 2016
Employment History
2017 – Present – Zackin Zimyeski Sullivan, CPA, LLC - Staff Accountant
2016 – 2017 – CironeFriedberg – Staff Accountant
As a Staff Accountant, Sarah works as a team member on our audit and accounting engagements. She maintains financial reports, records and general ledgers, prepares and analyze budgets and perform general bookkeeping. She also prepares income tax returns for both our individual and business clients.
Karolina Brzostek

Education
- Central Connecticut State University, New Britain, Connecicut- Pursuing a Bachelors of Science in Accounting, Present
Employment History
2016- Present- Zackin Zimyeski Sullivan, CPA, LLC- Staff Member
As a Staff Accountant, Karolina works as a team member on our audit and accounting engagements. She maintains financial reports, records and general ledgers, prepares and analyze budgets and perform general bookkeeping. She also prepares income tax returns for both our individual and business clients.
Katherine Degrange

Dawn Merli

Education
- Central Connecticut State University, New Britain, Connecticut- Bachelors of Science in Accounting
Employement History
2012- Present- Zackin Zimyeski Sullivan, CPA, LLC- Staff Accountant
Marjore Franca

Education
- Iona College, New Rochelle, New York - Bachelors of Science in Business Administration-International Business, May 2012
Employment History
2019 - Present - Zackin Zimyeski Sullivan, CPA, LLC - Office Administrator
Marjore Franca is the full time Firm Administrator, she joined the staff of ZZS CPA's in August of 2019.
Christiana Corwin
Education
- Arcadia University, Glenside, Pennsylvania- Bachelors of Science in Biology
Employment History
February 2020-Present- Zackin Zimyeski Sullivan, CPA, LLC- Administrative Assistant
Christi is the full time Administrative Assistant at our firm. She joined the staff of ZZS CPA's in February 2020. As the Administrative Assistant she greets our clients, answers calls and maintains our appointment calendars. She also assists the staff on financial statements, income tax returns and correspondence as necessary.