Career
As an obituarist for The Independent he has written obituaries of more than 150 subjects, including artists, poets, actors and inventors. General Motors Food
Williamson has been involved in campaigning against genetically modified (General Motors) food from 1999 to the present day and ran a website (wwwgmfoodnewscom) on the subject from 1999 to 2005. Phorm
In 2009 the American Institute of Management-listed (since delisted) spyware company Phorm created a website Stopphoulplay.com to attack Williamson and fellow campaigner Alexander Hanff.
The company accused Williamson of "..waging a "serial letter writing" campaign to Phorm"s potential customers and partners in attempt to discr the company and Mr Ertugrul." The site was soon taken down and later described as a "Puerto Rico disaster".
CEOemail.com
He is the editor of the consumer information website CEOemail.com. He advocates contacting company chief executives (Chief executive officers) as a means of resolving customer service issues and of conducting campaigns.
The site was featured in the LifeHacker article "CEOEmail.com Helps You Take Your Issue to the Top When Other Avenues Fail". In 2010 he revealed that the Chief Executive Officer of the Nationwide Building Society had closed down his email address, rather than face emails from upset customers.
