Jack Acosta

Jack L.
Acosta is currently Director at Integral Development Corp.
since 2001, Director at Five9, Inc. UK Ltd., and Lead Independent Director at Rimini Street, Inc. since 2022.
Former positions include Chairman at SumTotal Systems, Inc. in 2009, Director at Commerce One, Inc., Director at Docent, Inc. from 2003 to 2004, President, Chief Operating Officer & Director at Tanon Manufacturing, Inc. from 1993 to 1994, Director at BenefitStreet, Inc. from 2004 to 2006, Director at Savi Technology, Inc. from 2005 to 2006, Independent Director at Five9, Inc. from 2011 to 2025, Chief Financial Officer & Executive Vice President at Sybase, Inc. from 1999 to 2001, and Chief Financial Officer & Executive VP-Finance at Portal Software, Inc. from 1999 to 2001.
Education includes undergraduate and graduate degrees from California State University-East Bay.