Rimini Street, the Software Support and Agentic AI ERP Company™ and the leading third-party support provider for Oracle, SAP and VMware software, announced the appointment of Keith Costello as chief operating officer (COO) and Alexander Guasch as chief delivery officer (CDO).
New COO brings proven experience scaling organizations for growth
Keith Costello brings decades of experience building and scaling global enterprise software and services organizations, including leading teams of tens of thousands and managing businesses generating billions of dollars in revenue. He previously served as president, enterprise applications, technology, consulting and engineering services at DXC Technology and general manager for IBM’s global SAP business unit. Earlier, he completed eight years at SAP in various senior leadership roles, including executive vice president and general manager of business analytics and technology solutions, senior vice president of global field services and chief customer officer.
As COO, Costello will own product strategy, determining what products, services and solutions Rimini Street will bring to market. He will also own the professional services sales function and other global business operations, which he will take over from Rimini Street president and CEO Seth Ravin.
“It’s an exciting time at Rimini Street. The company has successfully sold billions of dollars of services and built a differentiated offering that helps clients unlock more value from their mission-critical enterprise systems while gaining greater control over their technology roadmaps,” said Costello. “I’m looking forward to working with the global team to scale operations, strengthen execution and support the company’s continued growth worldwide.”
New CDO brings global delivery leadership and client-focused execution
Alex Guasch is a seasoned leader with more than 30 years of experience leading integrated global IT service delivery organizations with thousands of professionals. He has led numerous initiatives across enterprise software support, managed services, consulting, modernization, cloud transformation and AI-enabled innovation. Guasch formerly served in senior executive roles at HPE, IBM, VMware and Cognizant and has held leadership positions at Effectual and Optiv.
As Rimini Street CDO, he is responsible for the end-to-end development and delivery of all company products, services and solutions worldwide, assuring reliable operational excellence, unparalleled service quality and successful client outcomes.
“Client success starts with consistent, high-quality delivery, especially for the mission-critical systems that keep global organizations and government clients running smoothly,” said Guasch. “I’m pleased to join Rimini Street and lead an organization that has a storied reputation as one of the best enterprise software and technology engineering teams in the world, delivering 24/7/365 service globally with an average two-minute response time and client satisfaction ratings of 4.9 out of 5.0.”
Rimini Street is firmly focused on executing its operating plan to accelerate revenue growth and increase profitability. These expanded leadership roles strengthen execution, scale global operations and support continued client success.
“Keith and Alex bring the global operating experience, execution discipline and client-first leadership to scale our organization with speed and quality,” said Seth Ravin, president and CEO, Rimini Street. “Keith and Alex understand what it takes to run and grow complex technology organizations and deliver extraordinary client outcomes. They are welcome additions to our leadership team as we continue helping clients use technology to lower their total operating costs, improve profitability and enhance competitive advantage.”
