David is a widely known authority, writer and speaker on US tax.

As the first IRS Certifying Acceptance Agent in the UK, David is one of the few in England screened, checked and authorized by the United States Internal Revenue Service (IRS) to act on behalf of the IRS in assisting individuals with US Individual Taxpayer Identification Number (ITIN) applications and completing IRS W-7 forms.

David specialises in the often-complex interactions between American and British tax and is able to draw from over 25 years of international and expatriate tax experience, having worked in London, Chicago and New York. Work includes frequent speaking and writing alongside providing advice to other professionals on US and UK tax issues.