Four executives at the University of Maryland Medical System, including general counsel Megan Arthur, have resigned following a scandal in which board members were accused of having lucrative business dealings with the organization.

The medical system’s chief performance improvement officer, Keith Persinger; chief administrative officer, Jerry Wollman; and chief compliance officer, Christine Bachrach have also tendered their resignations. All of the resignations will be effective June 21, according to the press release.