J.T. O'Donnell, founder and chief executive of Work It Daily in Hampton, has nearly 2.5 million LinkedIn followers and will be a guest speaker at the fifth annual 10 to Watch Awards on May 23 at 3S Artspace in Portsmouth. The contest honoring the Seacoast's top young professionals is presented by Catapult Seacoast and Seacoast Media Group with supporting sponsor Bank of America.