A marketing consultant alleges she was sexually harassed by the executive director of Elk Grove's tourism bureau, according to a lawsuit filed this week. The complaint, which was filed Monday in Sacramento County Superior Court, names Visit Elk Grove, its executive director John Joseph Thompson and board chair Rachael Brown, who is also economic development manager for the city of Elk Grove. Visit Elk Grove, known publicly as Explore Elk Grove, is a nonprofit funded through a tax levied on hotels…