Executive Team

Miller, BillBill Miller


Bill Miller joined X-IO as Chairman of the Board of Directors and Chief Executive Officer in 2015. He has led a transformation of the company that has included new product lines, streamlining operations, achieving sustainable profitability, and raising new investment capital that strengthened the company’s balance sheet. Bill has been a venture investor, entrepreneur, sales executive, and engineer during a career that now spans 35 years. He founded and also serves as Managing Partner of PV Ventures, a seed stage venture capital fund (www.pvventuresllc.com). In 1997 Bill co-founded and served as Chief Technology Officer of StorageNetworks, an early innovator in cloud storage as a service. StorageNetworks raised more than $100 Million of venture capital and completed an IPO in 2000 reaching a peak market capitalization of more than $16 Billion.

Prior to StorageNetworks, Bill was a successful enterprise sales executive for data storage systems company Andataco. He co-founded solid state disk company CERAM and co-founded nonvolatile Ferroelectric RAM start-up Krysalis which was acquired by National Semiconductor. Bill began his career as a semiconductor process engineer at Philips Signetics. Bill is a 1982 graduate of the University of Illinois where he earned a Bachelor of Science in Chemistry. He holds 12 U.S. patents covering inventions in integrated circuit fabrication, integrated circuit memory design, and data storage systems design.

Gustavsson, DavidDavid Gustavsson

CTO & SVP Engineering

David “Gus” Gustavsson is instrumental in aligning the engineering, technical marketing, manufacturing and support functions within X-IO.  As Chief Technical Officer & Senior Vice President of Engineering at X-IO, Gus has been instrumental in realizing the innovation of the Axellio Edge Computing system along with further development of the Intelligent Storage Element (ISE) platform.

Gus has been a part of the ISE development group since 2003, coming to the company through Seagate Technology’s Advanced Storage Architecture group, acquired in November 2007. Prior to his role at Seagate, Gus was employed by EMC Corporation and Autodiagnos AB in Sweden.

Mr. Gustavsson holds a Master of Science degree in computer science from the University of Colorado at Colorado Springs and a bachelor’s degree in computer engineering from the University of Dalarna in Sweden.

Lary, RichieRichard Lary

Chief Scientist

Richard (Richie) Lary is Chief Scientist at X-IO, having joined the company in December 2009.

Richie has been in the computer industry for over 40 years. He began his career as a software engineer at Digital Equipment Corporation (DEC), building operating systems and compilers for the PDP-8 and PDP-11 computers. In 1975, he served as a member of the core team that defined the VAX computer architecture, and later the implementation team for the first VAX computer. After joining DEC’s Storage Business Unit in 1978, Richie was a key architect of the Digital Storage Architecture and a key implementer of several of the hardware and firmware components of the associated product family. He became DEC’s Storage Architect in 1990, Storage Technical Director in 1994, and Compaq Computer Corporation’s Storage Technical Director in 1998, where he was responsible for technical oversight of the entire corporate storage architecture and product line. Prior to joining X-IO, he had been an independent consultant in the storage industry and a technical advisor to several emerging storage companies since 2000.

Richie holds 32 patents for his work in processor and storage system architecture and design and was awarded a Lifetime Achievement Award at the Server I/O Conference in January 2000. He also frequently speaks at industry events. He holds a bachelor’s degree in mathematics from the Polytechnic Institute of New York University.

Linda Ries

Vice President, Global Services & Quality Engineering

Linda Ries brings over 30 years of product and customer management experience across the technology sector to her role as the Vice President of Global Services and Quality Engineering with X-IO Technologies. Prior to X-IO, Linda held senior management and director level roles at Honeywell and other smaller companies. Linda additionally spent over 10 years with Sun Microsystems, where she implemented repeatable processes which reduced the time to market for software tools and managed several high-visibility domestic and international projects. Linda started her career as an engineer at Bell Laboratories. Linda received a Master of Science in Electrical Engineering from Stanford and a Bachelor of Science in Electrical Engineering from the University of Minnesota-Twin Cities.

Zeller, MarkMark Zeller

VP North American Sales

Mark has 31 years of experience in technology industry sales and marketing and leads the North American sales team for X-IO.  Mark was most recently Regional Sales Director for Varonis – an enterprise file services company.  Additionally, Mark spent 19+ years with EMC as a District Sales Manager selling in multiple industry sectors and geographies and also spent 10+ years at IBM where he held various positions including Marketing Manager.  Mark holds a Bachelor of Science Degree in Psychology from the State University of New York at Cortland and an MBA with concentration in Finance and Marketing from the Fuqua School of Business at Duke University.  Mark resides with his family in Castle Rock, Colorado.

Alexaner, BillBill Alexander


Bill Alexander is an experienced financial executive with extensive experience helping high-tech companies grow. Bill has served as both CFO and CIO of several successful venture capital backed and start-up software companies. He recently served as an executive at Configuresoft Inc., where he helped the company grow quickly leading to a successful acquisition by EMC Corp. Earlier in his career he served as a founder and the CFO of The Software Edge Inc., a software development tools vendor, where he guided the company from inception to a successful acquisition by Intersolv, Inc. Prior to his more recent start-up experience, he served at Hewlett-Packard in a variety of financial management positions and has also worked for Microsoft Corporation. He holds a Bachelor of Arts degree in Economics from Stanford University and an MBA from the University of Texas at Austin.

Cullen, TimTim Cullen

VP Global Sales Operations

Tim has over 25 years of experience in Operations & Sales Leadership – most recently with Grant Dental Technology as VP, Operations.  Tim leads the Global Sales Operations efforts for X-IO.  Additionally Tim has held Operations and Sales positions with Cyalume Technologies, Combat Training Solutions Inc., Colorado Homeland Defense Alliance, and Eli Lilly.  Tim began his career as a Pilot, Aviation Safety & Operations Officer in the US Navy.  He holds a BA in Finance from Villanova University and an MBA from Southern New Hampshire University.

Bob Antoniazzi

VP Product Marketing

Bob has more than 25 years experience designing, developing, and deploying systems and solutions across a broad array of industries and technologies.

Most recently, Bob was Vice President Product Development & Professional Services at Intermap Technologies transforming the business focus to products, solutions, and services, and apply his past experience to help drive the success of the company. Previously, he was Senior Director of Product Strategy and Planning for ISG at EMC Corp. He has served in executive roles at several start-ups providing marketing and business guidance that successfully drove these companies into the marketplace.

Bob has held senior positions at a broad range of software startups, with technologies in secure communications, content management, and language translation. He also has an extensive background in computer systems manufacturing, satellite communications, GPS, and is a former USAF Search & Rescue/Special Operations helicopter pilot.

He holds a BSCE from the United States Air Force Academy and an MA from Golden Gate University.

Board Of Directors

Bill Miller

Founder and Managing Partner, Miller Investment Management

Bill is responsible for the overall investment strategy of both the venture and hedge funds. He is an active board member in a majority of the venture portfolio companies, where he leverages his experiences as an entrepreneur and investor to help companies make strategic decisions and grow their business.

Bill co-founded StorageNetworks, a cloud data storage company, in 1997. The company grew to $125 million in revenues and completed an IPO in 2000, reaching a peak market cap of $16 billion. Bill has invested in 25 start-up companies over the past 15 years with 10 successful exits. Bill’s career also includes experience in the semiconductor industry and data storage sales. He has a BS in Chemistry from the University of Illinois.

Ed Glassmeyer

Director – General Partner, Oak Investment Partners

Edward F. Glassmeyer is a founding General Partner of Oak Investment Partners. Mr. Glassmeyer was with Citicorp Venture Capital from 1968 to 1970, followed by The Sprout Capital Group where he was Managing Partner from 1971 to 1974. Ed led the first round venture financings in both Shugart Associates (1973) and Seagate Technology (1980). Shugart Associates was the first floppy disk company later sold to Xerox; Seagate was the first 5 1/4 hard disk company, and today is an industry-leading disk drive company. Mr. Glassmeyer has invested successfully in the IT and telecom industries over the last three decades, and continues to be an active investor in the data storage industry. He graduated from Princeton University in 1963, served as an officer in the Marine Corps from 1963 to 1966, and received his MBA with distinction from The Tuck School in 1968. Mr. Glassmeyer was a founding Director of the National Venture Capital Association (NVCA) in 1973, and is an Overseer of The Amos Tuck School of Business at Dartmouth College.

Matthew Bross

Chairman and CEO, Compass-EOS

Matt Bross is the Chairman and CEO of Compass which is the inventor of icPhotonics™ technology and has delivered the first commercial chip to chip icPhotonics™ solution that enables the transformation of the ICT industry globally. Matt served as the former Global Chief Technology Officer (CTO) of Huawei, the CTO of British Telecom (BT) and CEO of BT Innovate where he lead the 21CN network transformation. Matt also served as CTO of Williams Communications. Matt has lead the technology innovation and investment strategies for the companies he has served across multiple technology and business domains including carrier, enterprise, devices, applications and services.
Matt was awarded a William Pitt Fellowship by Pembroke College at the University of Cambridge. In 2010, Matt was listed as one of the most powerful people in wireless by Fierce Wireless. Also, Interactive Week recognized Matt as one of the “Top 25 Unsung Heroes of the Net”. In recent years, Light Reading has recognized Matt as one of the Top 10 most influential people in Telecom.
Matt currently serves as a Board Member on X-IO Technologies, a next generation cloud storage platform, and serves as a Board Member of Sonus (Nasdaq: SONS), a provider of cloud based real time communications for the mobile internet. Matt is the Chairman of the Global Information Infrastructure Commission (GIIC) and is a member of the Board of Directors for the EastWest Institute (EWI).


Mike Wall

Mike Wall is a hi-tech executive with a history of leading the introduction of new technologies that have changed the landscape of high performance computing, storage solutions, and healthcare.  Mike was executive chairman of Amplidata before becoming its CEO in September 2012. Amplidata developed the world’s leading object storage software for large scale cloud deployments. Mike sold Amplidata to Western Digital in March 2015.  Prior to Amplidata, Mike was president and CEO of storage innovator Atempo, which was sold to the Allen Systems Group in December 2011.  As CEO of DICOM Grid, Mike turned around an angel funded healthcare IT company and raised over $15M in financing from several venture capital firms including Canaan Partners. Mike was the founding member of the management team that launched Intel’s storage business and, as general manager of their Storage Group; led the industry’s transition to systems designed with commodity microprocessors and chipsets, growing Intel’s storage business to over $500M annually.  Prior to the storage business, Mike was General Manager of Intel’s Supercomputer Systems Division, where he led the introduction of Intel’s X86 architecture into the high performance computing market. These systems were the predecessors of enterprise servers and workstations deployed throughout the world today.

Before joining Intel Corporation, Mike was general manager at Cray Research, responsible for North American Operations.  While his responsibilities included all market segments, he led the introduction of high performance computing into the world of high finance.  He also held several marketing management positions at IBM in New York City.

Mike earned his Bachelor’s degree in Economics from the State University of New York at Stony Brook and completed his Masters of Management Sciences, Averill Harriman College for Urban and Policy Sciences, at SUNY Stony Brook.


Dave O’Callaghan

Executive Affiliated Faculty
Daniels College of Business at the University of Denver

Dave has been an active member of the Daniels community for nearly a decade teaching in the EMBA program.
His 30 year career in technology spanned across Hitachi, Cisco and VMware. At Hitachi, Dave held various sales roles including the RVP of the Western Region. At Cisco, Dave held many roles, including: Vice President of WW Commercial Sales, where he drove the go to market for the $10B segment. Also, Vice President of Worldwide Distribution, where he was responsible for driving Cisco’s distribution strategy and execution, a cornerstone of Cisco’s go-to-market that served thousands of Cisco Channel Partners. His final role in high tech was as Senior Vice President at VMware responsible for the Global Partner Organization driving partnerships across partner types world wide.

Based in Denver, Dave served Governor Bill Owens as a Commissioner on the Governor’s Commission on Science and Technology. The Commission was responsible for assisting the Governor in leading Colorado’s technology vision for the 21st century. The work included driving up educational capability within Colorado, and rolling out technology initiatives to benefit the general public.

O’Callaghan was a Board Member for Colorado State University’s Industry Advisory Board to assist CSU in understanding the needs of industry in education. He has also has been a member of the Board of Directors for Volunteers of America in Denver assisting VOA to support the underprivileged in Colorado for over five years. He is currently an active Board Member of Adoption Dreams Come True in Fort Collins, Colorado.

O’Callaghan received a Bachelor of Science Degree from Bowling Green State University, and a Masters Degree in Business Administration from the University of Cincinnati.

He resides in Denver, Colorado with his wife, Colleen.

LeRoy Landhuis

LeRoy Landhuis is a native of southwestern Minnesota and has resided in Colorado Springs for over 40 years. After serving in the United States Air Force he established himself as an entrepreneur who primarily uses real estate as the medium to achieve his vision.

LeRoy’s vision to create a vertically integrated real estate company with superior service was started when he founded The Landhuis Company. With operations based in Colorado and several western and mid-western states, the Company has over 35 years’ experience and a strong heritage in commercial and residential real estate.  The Company owns one of the largest land development and home construction companies in Colorado and also specializes in commercial and residential property management as well as real estate investment and brokerage.

LeRoy is also an investor, advisor and board member for a number of strategically chosen startup businesses in the technology, banking, and petroleum industries. He provides venture capital as well as CEO level consulting to these companies to help them set and achieve their business goals.

LeRoy has a strong commitment to his state and nation, and to underprivileged children everywhere. He serves on numerous community and state civic and military advisory and action committees. His community service ranges from Chamber of Commerce, Economic Development Committee, and Enterprise Development responsibilities to being a guest lecturer at the United States Air Force Academy.

LeRoy is the founder of The Love-In-Action Foundation.  This private, Faith-based foundation is dedicated to establishing schools, medical centers, and orphanages for the needy in both the United States and around the world.

LeRoy is known for his creativity, energy, and integrity. These traits are reflected in his companies and in his strong, deep and personal commitment to his nation and his beliefs.

© 2016 Xiotech Corporation. All right reserved. | X-IO Headquarters | 2375 Telstar Dr. Suite 150 | Colorado Springs, CO 80920 | Tel: 719.388.5500
Back to Top