Wikipedia community to interact in a personal way. Wikipedia has been subject to several kinds of criticism. For example, the Seigenthaler and Essjay incidents caused criticism of Wikipedia's reliability and usefulness as a reference. The complaints related to the community include the effects of users' anonymity, the attitudes towards newcomers, the abuse of privileges by administrators, biases in the social structure of the community, in particular, gender bias and lack of female contributors, and the role of the project's co-founder Jimmy Wales, in the community. Sue Gardner, former executive director of the Wikimedia Foundation, described Wikipedians as being like a "crusty old
Jimmy Wales his developmental work on the Wikipedia project. He has rejected the notion that his role in promoting Wikipedia is altruistic, which he defines as "sacrificing your own values for others", stating that the idea of "participating in a benevolent effort to share information is somehow destroying your own values makes no sense to me". On December 11, 2007, Wales testified before to the United States Senate Committee on Homeland Security and Governmental Affairs. He also submitted written testimony to the Senate Committee entitled "E-Government 2.0: Improving Innovation, Collaboration and Access". Senator Joseph Lieberman introduced Wales by stating: Wales's testimony is