Sibi B. Thomas, CPA, CFE, CGMA


Sibi B. Thomas
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New York City
685 Third Avenue
New York, NY 10017
Phone: 212.201.3004


Sibi Thomas is a Partner within the Nonprofit, Government & Healthcare Group at Marks Paneth LLP, with more than 15 years of extensive accounting, auditing, tax and consulting experience. Mr. Thomas was recognized by the CPA Practice Advisor as a 40 under 40 honoree for leading the accounting profession. He is also a member of the AICPA’s Not-for-Profit Entities Expert Panel.

Mr. Thomas plans, coordinates and conducts audits of nonprofit organizations including: large social service organizations, third party funded organizations, educational institutions, charitable, and fundraising and membership organizations including those requiring audits pursuant to Uniform Guidance (Single Audit). Mr. Thomas performs audits of New York State cost reports, preparation and review of tax returns (Form 990, 990-PF, 990-T, CHAR 500) and audits of pension plans (defined benefit and defined contribution). Mr. Thomas has led numerous training seminars for clients and professional staff on various topics relating to new accounting standards, governance, compliance, and financial reporting.

Mr. Thomas has deepened his expertise as an adjunct faculty of not-for-profit accounting at New York University (NYU). He is experienced in all facets of audit, tax and accounting in the nonprofit industry, including external audits to assess effectiveness of controls, accuracy of financial records, and efficiency of operations, risk assessment, testing internal controls and developing audit programs. Mr. Thomas has authored several articles for the New York Nonprofit Review and Accounting Today that focused on helping nonprofit organizations evaluate their existing governance and financial reporting process. Mr. Thomas is also a Certified Fraud Examiner and a Chartered Global Management Accountant.


Cornell University, Certificate in Data Analytics 
University of Central Oklahoma
Bachelor of Science in Accounting
Master’s in Business Administration

Professional Memberships

American Institute of Certified Public Accountants
            Member, Not-for-Profit Entities Expert Panel
New York State Society of Certified Public Accountants
Association of Certified Fraud Examiners
Chartered Institute of Management Accountants

Practice Areas

Nonprofit Audit and Tax
Nonprofit Entities that Receive Federal Funding
Employee Benefit Plans
Nonprofit Entities that Receive OPWDD, SED, OMH, DOH, and ACS Funding
Private Foundations
Public Charities
Colleges and Universities
Membership Organizations

Licensed In

New York

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