With his appointment in September 2019, Donnellan became CEO of the nation’s second largest MLS in Bright MLS, which serves over 90,000 members in the Mid-Atlantic region. Donnellan spearheaded the launch of the Bright MLS Bright Steps, a 360-degree suite of solutions aimed at supporting every aspect of Bright subscribers’ businesses. He is also a member of the MLS think tank MLS Roundtable.