Harvey Najim 
Executive Chairman 

Harvey Najim spent 13 years in various technical, marketing and management capacities for IBM Corporation before founding Star Data Systems in 1980. In 1997, Mr. Najim renamed his company Sirius Computer Solutions, after the brightest star in the night sky. Since then...
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Joe Mertens
President and Chief Executive Officer

Joe Mertens began his career with Sirius (then known as Star Data Systems) in 1986 and his responsibilities grew to include sales and operations of the company’s wholesale and distribution divisions. In 1997, those divisions were sold to Savoir Technology Group and renamed Business Partner Solutions (BPS), of which Mr. Mertens was appointed...
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Jim Simpson was named President, Strategic Initiatives at Sirius Computer Solutions when the acquisition of MSI was completed in November, 2010. Prior to the acquisition, Mr. Simpson was the President and CEO of MSI Systems Integrators.  He was also a member of MSI’s Board of Directors.
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Phil Sauvageau is presently the Chief Technology Officer (CTO) at Sirius Computer Solutions. He was named to the position immediately following the acquisition of MSI Systems Integrators in November 2010.
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Irene K. Hahn
Executive Vice President of Employee Services and Information Technology

Since joining Sirius in 1998, Irene Hahn has held a variety of positions with progressive responsibility. Her experience while at Sirius encompasses facilities management, contract negotiation, project management, acquisition integration, human resources management, and information technology...
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Terry Johnson, CPA
Executive Vice President, Finance and Operations

Terry Johnson’s history with Sirius dates back to 1989. He was the controller and chief financial officer of the company (then called Star Data Systems) until the distribution business was sold to Western Micro in 1997. Mr. Johnson was chief financial officer for the Western Micro IBM distribution business...
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Muditha Karunatileka
Executive Vice President of Sales

Muditha Karunatileka’s career was launched at IBM, where he spent nine successful years from 1987 to 1996 as a systems engineer, sales representative and sales manager. In 1996, he became...
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Bonnie Cerrito
Senior Vice President of Sales Operations

In her 16 years at Sirius Computer Solutions, Bonnie M. Cerrito has earned recognition as a key contributor in the diverse roles she has assumed. Ms. Cerrito joined Sirius as...
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Michael Harwood
Senior Vice President, Marketing

As senior vice president of Marketing, Michael Harwood is responsible for marketing demand generation, corporate communications, events and campaigns, and the Sirius Call Center...
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Rick Bailer
Senior Vice President, Sales

Rick Bailer joined Sirius in 2004 as Vice President of IBM System z (mainframe) Sales for the East and Central regions, when the company acquired Denver Solutions Group (DSG). In 2005 he assumed sales and profit responsibility for...
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Mike Fischer
Vice President of Sales and Alliances

As vice president of Sales and Alliances, Mike Fischer is responsible for Sirius’ overall go-to-market strategy, business planning, personnel strategy, revenue growth and profitability objectives for Sirius’ HP partnership. He oversees all HP products and solutions, including servers, storage, networking, software and services...
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Chris Lusk
Vice President of Consulting Services

Chris Lusk joined Sirius in 1997 as the company’s first UNIX product specialist. Leveraging his sales abilities and deep technical skills on IBM RS/6000 servers, IBM SP servers, and IBM storage products, including Tivoli, Mr. Lusk was instrumental in growing a business from less than $100,000 in revenue when he joined in 1997 to over $350 million in 2008...
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Chris Mierzwa
Vice President, Servers, Storage & Cloud Strategy

Chris Mierzwa graduated from Purdue University in 1992 with a degree in computer and electrical engineering, along with minors in math and business. During his studies, he also worked in the IBM coop program at their mainframe labs in Kingston, NY, as part of their...
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Craig Nelson
Vice President of Networking and Managed Services

Craig Nelson is responsible for leading and managing Sirius’ Networking and Managed Services solutions organizations. Mr. Nelson has more than 26 years of experience within the technology industry. He began his career...
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Darrin Nelson
Vice President of Software Sales

Upon graduating in 1988 with degree in Computer Science from Rochester Institute of Technology, Darrin Nelson joined IBM at the Myers Corners Labs in Poughkeepsie, NY, where he was a developer on MVS/ESA (now z/OS). After three years in that position, he became...
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Joe Bast
Director of Power Systems

Joe Bast is responsible for all of Sirius’ pre- and post-sales service and solution offerings built on IBM Power Systems servers running the AIX, IBM i and Linux operating systems...
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