Rimini Street Appoints New COO and Chief Delivery Officer to Strengthen Global Operations

Rimini Street (Nasdaq: RMNI) has added two senior executives to its leadership team, naming Keith Costello as EVP and Chief Operating Officer and Alexander Guasch as Chief Delivery Officer, according to Financial Post. The moves are designed to strengthen the company's ability to scale its global operations and serve enterprise clients more effectively.
Rimini Street is the leading third-party support provider for Oracle, SAP, and VMware software. The company also offers managed services and what it calls Agentic AI ERP solutions, according to Calgary Sun.
Keith Costello steps in as EVP and Chief Operating Officer with decades of enterprise software experience behind him. He has led teams of tens of thousands of employees and managed businesses generating billions of dollars in revenue, according to Hanna Herald. His role will cover global business operations as well as the professional services sales function.
Costello's background in building and scaling large global organizations makes him a strong fit for Rimini Street's growth ambitions. The company competes directly with Oracle and SAP on support contracts, often offering lower prices to enterprise clients who want to skip costly vendor upgrades.
Alexander Guasch joins as Chief Delivery Officer and will oversee the development and delivery of all Rimini Street products, services, and solutions worldwide, according to The Observer. That means he is responsible for what clients actually receive — from software support to managed services.
Putting a dedicated executive in charge of delivery signals that Rimini Street is serious about execution, not just sales. As the company adds more AI-driven offerings to its lineup, having clear ownership of the delivery pipeline becomes more important.
Rimini Street has been expanding beyond its core third-party support business. The company now positions itself as a provider of end-to-end enterprise software support, managed services, and AI-powered ERP tools, according to Calgary Sun. Adding a COO and a CDO at the same time suggests the company is preparing for a significant operational push.
The dual appointments are meant to support continued client success and scale the business globally, according to Paris Star Online. Rimini Street serves clients who use Oracle, SAP, and VMware software — three of the biggest names in enterprise technology.
Rimini Street built its business by offering third-party support for Oracle and SAP software at a lower cost than the vendors themselves charge. Clients pay for support and maintenance but skip the vendor's upgrade treadmill. The model has attracted a wide range of global enterprise customers.
With VMware now in its support portfolio alongside Oracle and SAP, Rimini Street covers three major pillars of enterprise IT infrastructure. The company trades on the Nasdaq under the ticker RMNI, according to Ontario Farmer.
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