No — reliable public sources do not currently confirm that Greg Wilfert is left-handed.

Greg Wilfert is an American former politician who served as a member of the Wisconsin State Assembly. He represented the 60th district as a Republican from 1993 to 2003.

During his tenure in the Assembly, Wilfert focused on issues pertinent to his constituents and the state, including budgetary matters and legislative reforms. His legislative career spanned a decade, during which he participated in various legislative committees and debates.

Prior to his political career, Wilfert was involved in local community affairs and had a background in business. He successfully campaigned for the Assembly seat on a platform of conservative principles.

After leaving the State Assembly, Wilfert continued to be involved in public life in various capacities, though less prominently on the state stage. He remains known for his service in Wisconsin politics during the 1990s and early 2000s.