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Rimini Street Appoints Keith Costello as Chief Operating Officer and Alexander Guasch as Chief Delivery Officer

PUBLIC · RMNIAug 12, 2026

Position

Chief Delivery Officer

Company

Rimini Street

Alexander Guasch
Las VegasInformation TechnologySoftwareIT Management

Description

Rimini Street, Inc. has expanded its C-Suite leadership by appointing Keith Costello as Chief Operating Officer and Alexander Guasch as Chief Delivery Officer. The new COO, Keith Costello, brings proven experience in scaling organizations for growth.

Other recent leadership changes in IT Management and Software

Executive moves at companies in the same sectors within 45 days, from Fundz verified event records.

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Company Information

Company

Rimini Street

Location

Las Vegas, Nevada, United States

About

Rimini Street, Inc. is a global leader in third-party enterprise software support and managed services, founded in 2005 and headquartered in Las Vegas, Nevada. The company provides a cost-effective alternative to traditional vendor maintenance contracts, particularly for Oracle and SAP platforms. With a market capitalization of approximately $385–$433 million, Rimini Street serves over 660 clients, including 75 Fortune 500 companies, and is a constituent of the Russell 2000. The company offers a comprehensive range of services, including Rimini ONE for full lifecycle software management, Rimini Support for mission-critical applications, and Rimini Protect for software security. Additionally, Rimini Street integrates AI into ERP systems to enhance automation and efficiency. Their global operations span North America, Latin America, Europe, Asia-Pacific, Africa, and the Middle East, with a focus on helping clients save up to 90% in annual support costs and reallocate budgets toward strategic initiatives.

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Rimini Street changed its leadership. Fundz had it the day it was filed, with the decision-maker at the company attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.