but others close to him including amazon board member tom did speak with us. >> i think people to advance their particular political agenda will make allegations which are not fact or based on complete fact. they include the number of people on food stamps, temporary and part-time. amazon employees a lot of the people. >> there's also been criticism of the company for allegedly unsafe working conditions. >> this year amazon which has over 175 fulfillment centers around the world and more than half a million employees was ranked one of the 12 worst companies to work for by the national counsel for osha. >> you could look and say this extraordinary entrepreneur who has done extraordinary well is he doing enough for his employees? that's a question many people are asking sgr amazon has insisted workers safety is a high priority. and that they are proud of their record. there's no getting around it.