Elections Ontario () is an independent office of the Legislative Assembly of Ontario responsible for the administration of provincial elections and referendums. It is charged with the implementation and enforcement of the Election Act (R.S.O., c. E.6), Election Finances Act (R.S.O. 1990, c. E.7), Representation Acts (various), as well as specific portions of the Municipal Elections Act, 1996 (S.O. 1996, c. 32, Sched.), Taxpayer Protection Act, 1999 (S.O. 1999, c. 7, Sched. A), and Fluoridation Act (R.S.O. 1990, c. F.22). The agency collects information about political parties, candidates, constituency association, leadership contestants, and third parties involved in Ontario politics. Elections Ontario is led by the Chief Electoral Officer, a non-partisan Officer of the Legislative Assembly chosen by an all-party committee. Greg Essensa, appointed in 2008, is the current Chief Electoral Officer. His predecessor was John Hollins, who held the position from 2001 to 2008. Mandate Its responsibilities include: Administering the election process in general elections and by-elections Maintaining the Permanent Register of Electors for Ontario (PREO) Testing new voting equipment, vote-counting equipment and alternative voting methods Conducting public education on the electoral process Overseeing the registration of political parties, constituency associations, candidates, leadership contestants and third party advertisers Publishing on the Internet financial statements of the people and entities governed by the Act, including the real time disclosure of political contributions Reviewing financial statements to ensure compliance Distributing publicly funded subsidies Investigating and reporting apparent contraventions Recommending reforms to the Election Act and Election Finances Act. 2012 Privacy Breach In July 2012, Chief Electoral Officer Greg Essensa announced the April disappearance of two USB flash drives holding data on 2.4 million voters in 25 Ontario ridings. The data included the names, gender, birth date and address of voters. The two staff members who lost the drives no longer work at Elections Ontario. The Ontario Provincial Police and the Information and Privacy Commissioner of Ontario started investigations into the privacy breach described as "the largest in Ontario history". Merchant Law Group filed a class action suit with the Ontario Superior Court of Justice on July 20, 2012. Information and Privacy Commissioner Ann Cavoukian issued a report with recommendations on the incident on July 31, 2012. Notable investigations 2015 Sudbury by-election bribery investigation On February 19, 2015, Chief Electoral Officer Greg Essensa delivered a report to the Ontario legislature alleging that Premier Kathleen Wynne's chief-of-staff Patricia Sorbara and Sudbury riding organizer Gerry