Quantum - About Us

Executive Bios

Quantum is led by a strong executive leadership team committed to meeting customers' data protection and big data management needs and building long-term shareholder value.

Jon Gacek

President and Chief Executive Officer
Jon Gacek became President and Chief Executive Officer in April 2011, and was President and Chief Operating Officer from January 2011 to March 2011. He joined the company as Executive Vice President and Chief Financial Officer in August 2006, upon Quantum's acquisition of Advanced Digital Information Corp. (ADIC) and was promoted to Executive Vice President, Chief Financial Officer and Chief Operating Officer in June 2009. Previously, he served as the Chief Financial Officer at ADIC from 1999 to 2006 and also led Operations during his last three years there. Prior to ADIC, Gacek was an audit partner at PricewaterhouseCoopers LLP and led the Technology Practice in the firm's Seattle office. While at PricewaterhouseCoopers LLP, he assisted several private equity investment firms with a number of mergers, acquisitions, leveraged buyouts and other transactions. Gacek serves on Quantum's board of directors.


Linda Breard

Senior Vice President, Chief Financial Officer
Linda Breard joined Quantum as Vice President of Finance in August 2006, upon Quantum’s acquisition of ADIC. In May 2009, she was promoted to Senior Vice President and assumed responsibility for IT and Facilities in addition to Finance. In January 2011, Breard was promoted to Chief Financial Officer, and in April 2012 she added Human Resources and Corporate Communications to her portfolio. Prior to Quantum, she spent eight years at ADIC, serving as Vice President of Finance and Accounting and in other leadership positions, where she was deeply involved in the company’s merger and acquisition activity and success in driving growth. Earlier in her career, Breard worked in public accounting for six years.


Bassam Tabbara

Chief Technology Officer
Bassam Tabbara joined Quantum as Executive Director, Cloud Services, in August 2014, in conjunction with Quantum’s acquisition of Symform’s cloud storage services platform. In July 2015, he was promoted to Chief Technology Officer with responsibility for driving the company’s long-term technology strategy to capitalize on new market opportunities. Prior to Quantum, Tabbara was the CTO and co-founder of Symform from November 2007 to July 2014. Before Symform, he spent 12 years at Microsoft, where he worked on a number of key initiatives, including Microsoft Research, MSN, Windows, Visual Studio and System Center. Tabbara holds more than 30 patents.


Bill Britts

Senior Vice President, Worldwide Sales and Marketing
Bill Britts joined Quantum as Executive Vice President, Sales and Marketing in August 2006, upon Quantum’s acquisition of ADIC. He served in this position until June 2011, when he assumed the role of Senior Vice President, Worldwide Marketing, Service and Business Development. In April 2012, Britts added Operations to his portfolio. In July 2013, he was named Senior Vice President, Worldwide Sales and Marketing. Prior to Quantum, he spent 12 years at ADIC, where he held numerous leadership positions, including Executive Vice President of Worldwide Sales and Marketing, Vice President of Sales and Marketing and Director of Marketing. Before ADIC, he served in a number of marketing and sales positions at Raychem Corp. and its subsidiary, Elo TouchSystems.


Rob Clark

Senior Vice President, Product Operations
Rob Clark joined Quantum as Director of Tape Products in August 2006, upon Quantum’s acquisition of ADIC. In March 2009, he was promoted to Vice President with responsibility for various product lines, as well as business operations and OEM sales. In April 2010, he was named Senior Vice President, Tape and OEM Product Group (subsequently reorganized as Disk and Tape Backup Product Group). In January 2014, Clark assumed additional responsibility for all Quantum products in a newly named Product Operations organization. In April 2015, Clark also assumed responsibility for both Operations and Service. Prior to Quantum, Clark was at HP for 10 years in various engineering and sales positions.


Shawn Hall

Senior Vice President, General Counsel and Secretary
Shawn Hall joined Quantum in 1999 as Corporate Counsel, became Vice President, General Counsel and Secretary in 2001 and was promoted to Senior Vice President, General Counsel and Secretary in May 2009. Prior to Quantum, Hall worked at the law firms of Skadden, Arps and Willkie Farr & Gallagher, where he practiced in the areas of mergers and acquisitions and corporate finance, representing numerous public and private technology companies.


Don Martella

Senior Vice President, Engineering
Don Martella joined Quantum as Vice President, Automation Engineering in August 2006, upon Quantum’s acquisition of ADIC. In June 2010, he was promoted to Senior Vice President, Platform Engineering, and in April 2011 assumed his current role. Before joining Quantum, Martella served as a Vice President of Engineering and Quality at ADIC, where he spent five years in various leadership positions. Previously, he held engineering positions in the storage and process control industries.


Geoff Stedman

Senior Vice President, StorNext Solutions
Geoff Stedman joined Quantum as Senior Vice President, StorNext Solutions in March 2014. From March 2012 to February 2014, Stedman served as Vice President of Marketing at Tintri, Inc., and he was Senior Vice President and General Manager of the Storage Business Unit at Harmonic, Inc. He joined Harmonic in conjunction with its acquisition of Omneon, Inc. where he spent seven years as Senior Vice President of Worldwide Marketing. Before Omneon, Stedman held marketing positions at several technology companies.


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Introduction to Quantum

Quantum CEO and President, Jon Gacek, discusses Quantum Certainty in a changing environment.

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