Mr. Prow has more than 25 years of corporate tax, operations, and public accounting experience and a proven track record of leadership in the tax industry.

In previous executive roles, Mr. Prow has assisted companies and clients with complex tax advice, funded entrepreneurs with innovative tax- related business ideas, and led a company that developed enterprise-class corporate tax software. At Rimini Street, he will lead the team that provides all required tax, legal and regulatory updates to Rimini Street-supported products around the world.

Mr. Prow joined Rimini Street after completing the sale of his prior company, Planitax, as chairman and CEO. Prior to his appointment as CEO, Mr. Prow served as a member of Planitax's board of directors on behalf of Mobius Venture Capital, where he was chief operating officer and a managing director.

Prior to Mobius, Mr. Prow was the tax partner in charge of the San Jose office for PricewaterhouseCoopers (PwC), where he led the Western Region Technology, Information, Communication, and Entertainment practice and served as industry engagement partner for numerous technology companies. In 1997, Prow led the New York tax practice for PwC and, following the Coopers & Lybrand-PwC merger, was in charge of the consumer and industrial products industry group for the New York metro region. Prior experience at Coopers & Lybrand included developing and directing the firm's research and experimentation tax credit practice. Mr. Prow has also served as tax manager for Borland International and president of a startup technology company.

Mr. Prow holds a J.D. from Santa Clara University and is a member of the California and American Bar Associations.

Dennis Chiu is a 10-year enterprise software support veteran who joined Rimini Street in 2005 to lead the development and deployment of Rimini Street's next-generation software support model with senior support engineer response in less than 30 minutes, 24 hours a day, 7 days a week. Mr. Chiu's support team will be at the center of Rimini Street's goal to redefine enterprise software support.

Immediately prior to his work at Rimini Street, Mr. Chiu retired from a career with Siebel Systems that spanned six years, and included many positions of increasing global support responsibility. Most recently, Mr. Chiu was director of Technical Support for Siebel Systems' two premier support centers in northern California, where he had full operational responsibility for more than 100 engineers supporting all Siebel products and releases for customers worldwide.

Prior to his management roles at Siebel Systems, Mr. Chiu worked in support management and software support engineer roles with Scopus Technologies and Sybase, Inc.

Mr. Chiu holds a Bachelor of Science in Biological Sciences from the University of California at Davis.

Michael Davichick is an enterprise software support sales veteran with 17 years of career sales experience, including the last 8 years in enterprise software support sales for Siebel, PeopleSoft, and JD Edwards products. Mr. Davichick joined Rimini Street in 2006 to oversee sales of Rimini Street's next-generation enterprise software support services.

Earlier in his career, Mr. Davichick served as a senior account executive in the Customer Sales Division at PeopleSoft, Inc. where he specialized in sales of special support programs, training, third-party and analytic products. Previous to PeopleSoft, Mr. Davichick served as an account executive with Triad Systems, Inc.

Over the course of his career, Mr. Davichick has helped over 150 organizations successfully procure and transition to alternative maintenance programs, save significant budget funds, and enjoy better service tailored to meet each client's unique needs.

Mr. Davichick holds a Bachelor of Science in Business Management from the University of Phoenix.

Mr. Grigsby is responsible for building and managing the delivery of all JD Edwards support services for Rimini Street clients.

Before joining Rimini Street, Mr. Grigsby spent 18-years at JD Edwards where he held various executive roles within the company. During that time, he designed, customized, and managed JD Edwards implementations and migrations for global and mid-size companies, including Fortune 500 companies across a variety of industries and JD Edwards releases and products. In addition, he has assisted JD Edwards clients with project management, custom training development, and strategic IT infrastructure decisions.

As a JD Edwards consultant, Mr. Grigsby has provided strategic guidance to executives of companies implementing JD Edward’s software, both World and EnterpriseOne. He also brings extensive experience managing JDE World to JDE EnterpriseOne migration projects.

Mr. Grigsby holds a BBA in Business Data Systems from the University of Texas.

Ms. Lester is a veteran of the third-party software support industry with more than 10 years of enterprise software support and development experience working with numerous Fortune 500, mid-market, and public sector organizations. Ms. Lester joined Rimini Street in October 2006 to oversee support services for Rimini Street clients using PeopleSoft products.

Ms. Lester leads the most experienced tax and regulatory team with the fastest "legislature-to-live"SM update delivery cycle and the most extensive quality assurance program in the industry. Ms. Lester has overseen the delivery of more than 700 tax and regulatory updates used to successfully process billions of dollars in transactions.

A technical visionary, Ms. Lester has developed innovative strategies for the development and delivery of critical updates to clients. As a Project Manager for tax and regulatory deliverables, Ms. Lester was responsible for coordinating the contents and timing of tax and regulatory update delivery, and directing development and quality assurance testing activities.

Earlier in her career, Ms. Lester led numerous implementation, upgrade and support engagements for PeopleSoft Global Services across a variety of industries, releases, and products. Ms. Lester was also appointed consulting team lead for PeopleSoft 8 HCM Internet Self-Service Applications.

Ms. Lester was certified by PeopleSoft, Inc. in PeopleSoft Human Capital Management products and holds a Bachelor of Science Degree in Management Science and Information Technology from Virginia Tech.

Mr. Lester is a 10-year enterprise software industry veteran and leader in the third-party software support industry. Mr. Lester joined Rimini Street in October 2006 to oversee the global IT organization and manage all technology specialists and services across Rimini Street's Siebel, PeopleSoft, and JD Edwards product lines.

Mr. Lester has had extensive experience building and managing the PeopleSoft technology support teams, including the hiring, training, and management of all PeopleSoft Technical Support Engineers. Mr. Lester has also overseen client on-boarding processes, including the establishment and management of more than a hundred support environments.

Earlier in his career, Mr. Lester held several senior technical roles at PeopleSoft, Inc., including Infrastructure Manager, Software Architect, and Senior Database Administrator. During his tenure at PeopleSoft, Mr. Lester provided consulting services to numerous clients across industries including Retail, Manufacturing, Wholesale Distribution, and Financial Services.

Mr. Lester serves as a Director on the Board of a $100M company that specializes in wood treatment, building material retail, and commercial real estate development.

Mr. Lester was certified by PeopleSoft, Inc. in PeopleSoft Technology, certified by IBM in DB2 Database Administration, Certified by Oracle in Database Administration, and holds a Bachelor of Science Degree in Management Science and Information Technology from Virginia Tech.

Mr. du Plessis is responsible for building and managing the delivery all SAP support services for Rimini Street clients.  He has successfully implemented, customized, and managed SAP for companies of all sizes around the world, including Fortune 500 companies across a variety of industries and SAP releases and products.

Most recently, Mr. du Plessis served as CEO of a consulting firm providing strategic guidance to executives of companies implementing and running SAP products. His last client was Carl Zeiss Meditec where he was responsible for managing a large-scale SAP ERP and CRM Implementation.

Previously, Mr. du Plessis was Director of Application Services at Clorox Service Company responsible for application support and development of all Clorox Applications, including SAP. Mr. du Plessis held several roles at Clorox from Sr. Consultant, System Architect and Director of Application Services. He was also responsible for building the SAP support team and putting in place the support processes and measures needed to ensure nearly 100% up-time operation.

Additionally, Mr. du Plessis has held roles across more than 15 major SAP full life cycle implementations with global companies such as Nestle, Sebastian International and Siemens. He has led, managed, and executed all aspects of the SAP project lifecycle, including executive program management, project management, functional and technical, system architecture and development.

Mr. Du Plessis holds a HND Electrical Engineering (an equivalent to a Bachelor of Science) from Johannesburg Technical College; Johannesburg, South Africa.

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Seth Ravin
Dennis Chiu
Vice President, Support Services

Dennis Chiu is a 10-year enterprise software support veteran who joined Rimini Street in 2005 to lead the development and deployment of Rimini Street's next-generation software support model with senior support engineer response in less than 30 minutes, 24 hours a day, 7 days a week. Mr. Chiu's support team will be at the center of Rimini Street's goal to redefine enterprise software support.

Immediately prior to his work at Rimini Street, Mr. Chiu retired from a career with Siebel Systems that spanned six years, and included many positions of increasing global support responsibility. Most recently, Mr. Chiu was director of Technical Support for Siebel Systems' two premier support centers in northern California, where he had full operational responsibility for more than 100 engineers supporting all Siebel products and releases for customers worldwide.

Prior to his management roles at Siebel Systems, Mr. Chiu worked in support management and software support engineer roles with Scopus Technologies and Sybase, Inc.

Mr. Chiu holds a Bachelor of Science in Biological Sciences from the University of California at Davis.