YOUNGSTOWN, Ohio, July 20 (TNSacc) -- The Youngstown/Warren Regional Chamber issued the following news release: The Youngstown/Warren Regional Chamber is proud to announce that two of its team, David Wilaj and Melissa Maiorano, recently received the prestigious Ohio "Best in Class" Economic Developer certification through the Ohio Economic Development Institute. This certification recognizes their exceptional expertise and contributions to economic development in the Valley. Wilaj, director o more PR