VILLA GUARDIA (COMO), Italy--(BUSINESS WIRE)--Gentium S.p.A. (Nasdaq: GENT) today announced the resignation of Dr. Francesco Bellini as Chairman and a member of Gentium’s Board of Directors, who indicated that his other business commitments prevented him from continuing to devote adequate time to Gentium. Dr. Bellini was elected to Gentium’s Board in October 2009.