Fernwood Art Investments, an art investment and research fund aiming to tap the booming art market by pooling the resources of investors to purchase blue chip and emerging art, has announced the addition of an impressive slate of experts to executive and advisory roles. The new hires include art dealer David Nash; former executive vice president of the Metropolitan Museum, Ashton Hawkins; and Marlborough Gallery president, Pierre Levai. Since July, when Mr. Taub announced the company, Fernwood...