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Sibi Thomas, CPA, CFE, CGMA


Sibi Thomas, CPA, CFE, CGMA Linkedin Profile Icon
New York City
685 Third Avenue
New York, NY 10017
Phone: 212.201.3004


Sibi Thomas is a Partner in the Nonprofit, Government & Healthcare Group at Marks Paneth LLP. He has more than 13 years of accounting, auditing, tax and consulting experience in the nonprofit industry. Mr. Thomas serves on the AICPA’s Not-for-Profit Entities Expert Panel and has been recognized by the CPA Practice Advisor as a 40 under 40 honoree for his leadership in the accounting profession. 

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.


University of Central Oklahoma, Oklahoma
Bachelor of Science in Accounting
Master’s in Business Administration 

Professional Memberships

New York State Society of Certified Public Accountants
Association of Certified Fraud Examiners

Mentor – NYSSCPA

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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