Rimini Street Bolsters C-Suite with COO and CDO Hires Amid Growth Push
Event summary
- Rimini Street appointed Keith Costello as COO and Alexander Guasch as CDO on August 12, 2026.
- Costello previously led enterprise applications at DXC Technology and IBM’s global SAP business unit.
- Guasch brings over 30 years of experience in IT service delivery from roles at HPE, IBM, VMware, and Cognizant.
- Costello will oversee product strategy and professional services sales, while Guasch will manage global product delivery.
The big picture
Rimini Street’s C-suite expansions signal a strategic focus on scaling operations and enhancing client delivery as it competes against traditional enterprise software vendors like Oracle, SAP, and VMware. The hires come amid a push to accelerate revenue growth and increase profitability in the crowded ERP support market.
What we're watching
- Scaling Operations
- How Costello’s experience in scaling large enterprise software organizations will impact Rimini Street’s operational efficiency and revenue growth.
- Client Delivery Excellence
- Whether Guasch can maintain Rimini Street’s high service quality standards while expanding global delivery capabilities.
- Market Differentiation
- The pace at which Rimini Street can differentiate itself in the competitive ERP support market with its Agentic AI solutions.