Abello has been an integral player for the Orlando Pride since leaving Penn State in 2021.
The goalie will join Matt Traynor and Kevin Parnham as newcomers to the Premier Lacrosse League.
The trustees will begin their terms on July 1.
The fraternity will be suspended for at least four years.
The president will participate in this week's Board of Trustees meeting remotely.
Parnham will travel out west to the Denver Outlaws.