Excella Gionne (エクセラ・ギオネ?) (c.1983-2009) was a British-Italian businesswoman. She is known for her leadership of Tricell, Inc., Africa and her involvement in Tricell's bio-weapons program. She was killed during the 2009 Kijuju Autonomous Zone Incident when she was experimented on against her will by her business partner, Dr. Albert Wesker.