ColumbUS Best: Companies That Will Define US Rev1 Ventures - formerly Tech Columbus - is on a roll. As we look to new business and big business to drive the region's economy, we recall that it all starts with great ideas and great people! Featuring Rev1 Ventures President & CEO Tom Walker and a panel with exciting start-up founders Steve White, CEO of Clarivoy; Shaun Young, CEO of Ardina; and DIsha Shidam, CEO of TacBoard.