Your Crypto CPA Should Be as Sharp as Your Portfolio.
Meet Noah Green.
When you’re trusting someone to help report, reconcile, and defend your digital asset activity, you need more than just a tax preparer. You need a professional who understands the numbers, the blockchain, and the IRS.
Noah Green is the founder of Sheepdog Tax. He’s a licensed Certified Public Accountant (CPA) in Nevada, California, and Texas, as well as a Certified Fraud Examiner (CFE) and Certified in Financial Forensics (CFF). He brings over two decades of experience at the intersection of tax, fintech, fraud defense, and machine learning – with a specific focus on the unique challenges of digital assets.
Credentials You Can Count On
CPA, CFE, CFF
Noah holds and maintains active CPA licenses in NV, TX, and CA and has advanced training in fraud detection and forensic financial analysis.
Wall Street Veteran
He brings over two decades of experience in financial audit, structured finance, and tax compliance. He served as Vice President in DZ Bank’s asset securitization group and held positions at Ernst & Young, Deloitte, KPMG, PwC, and Arthur Andersen, where he led and participated in engagements across audit, risk, and international tax. With hands-on experience in expatriate taxation—including Foreign Earned Income Exclusion and Foreign Tax Credit claims—Noah understands the intersection of regulatory complexity, high-volume data, and tax exposure. Today, he applies this expertise to help digital asset holders and crypto traders stay compliant and minimize their tax liabilities.
Data Scientist & Technologist
Noah isn’t just fluent in accounting—he’s also a trained data scientist and machine learning engineer. He has built and deployed advanced data pipelines and graph databases using platforms like Palantir Foundry and Neo4j, designed fraud detection models, and developed scalable solutions to reconcile thousands of crypto transactions with speed, accuracy, and audit readiness.
Fraud Prevention and IRS Defense
His background in financial due diligence and forensic analytics means he’s prepared to support clients facing IRS letters, audits, or gray areas. He knows what agents are looking for – and how to make sure you’re ready.
Blockchain + Fintech CFO Experience
As a former CFO of a blockchain-focused fintech, Noah helped scale revenue and integrate crypto accounting systems. He also held C-level roles in digital asset firms, building internal models and systems that now inform his tax work for clients in DeFi, NFTs, and DAOs.
U.S. Marine Corps Discipline
Before entering the world of finance and tax, Noah served as a Non-Commissioned Officer in the United States Marine Corps, where he was an FAA-licensed air traffic controller. For his active duty service from 1991 to 1995, he was awarded the National Defense Service Medal and Good Conduct Medal in recognition of his honorable service. Today, he brings that same precision, discipline, and commitment to safeguarding your crypto gains and ensuring accurate, compliant tax reporting.
What That Means for You
Noah combines the credibility of a licensed CPA with the technical fluency of a data scientist and the vigilance of a fraud examiner. He can spot IRS red flags, simplify tangled wallets, and build a strategy that keeps your assets protected.
I created Sheepdog Tax to serve people who invest on the edge of innovation – without falling off the compliance cliff.