Donnellan leads the nation’s second largest MLS in Bright MLS, which serves over 104,000 members in the Mid-Atlantic region, with a steady, clear focus on innovation and serving members. In 2022, he helped spearhead a new data-monetization strategy for MLSs through the creation of the REdistribute initiative and, in 2023, helped launch a new MLS-powered national portal in Nestfully.