Appian is making the jump to Tysons Corner with a new 205,000-square-foot lease at Valo Park that will allow the firm to expand its headcount by an additional 600 employees.
The low-code and business process management platform provider will move from roughly 130,000 square feet at 11955 Democracy Dr. in Reston to 204,547 square feet at the 707,052-square-foot, 12-story building formerly home to the headquarters of USA Today parent company, Gannett…