IO Leadership

George Slessman

CEO and Product Architect

For nearly two decades, George Slessman has been a technology visionary and leader. He has founded, built, and successfully exited multiple businesses in his career, creating over a billion dollars in equity value. George's forte is disruption – inventing and synthesizing software, data and energy technologies in unique ways that have enabled the transformation of business and mission performance for over a thousand enterprises and organizations.

Anthony Wanger


Anthony Wanger serves as President of IO. In this capacity, Wanger directs the Company's expansion and acquisition activities, oversees key transactions and the Company's Legal, Ecosystem, Real Estate, and Risk Management functions. Wanger has led IO's DCaaS expansion and development across the world. Prior to his involvement with IO, Wanger co-founded and managed Sterling Network Services, LLC, a leading enterprise data center services provider. Earlier in his career, Wanger was a private equity investor and served as Senior Vice President at Sterling Partners where he directed a variety of investments and transactions for the firm. Wanger graduated with a Bachelor of Arts degree in Political Science from Emory University and a Juris Doctor degree from the Boston University School of Law.

William Slessman


William Slessman serves as Chief Technology Officer/Chief Operating Officer of IO. In this capacity, he is directly responsible for global technology delivery, engineering and manufacturing. He has served as Chief Operating Officer from the Company's inception in 2007 and leads all operations and technology development. Slessman has been an executive in the technology and data center industry for over 10 years, and has had responsibility for meeting the technology and service level needs for hundreds of enterprise and government customers. Prior to joining IO, Slessman co-founded and was COO of Sterling Network Services, LLC, a leading enterprise colocation services provider (sold in July 2006). Slessman has assisted some of the largest, most technologically dependent and demanding companies in applying advanced technologies to their businesses, including Reed Elsevier, PricewaterhouseCoopers, LLP, Toyota Financial Services and Heller Financial. Slessman earned a Bachelor of Science degree in Engineering and Applied Sciences from Arizona State University.

Kevin Malik

Chief Innovation Officer

Kevin Malik serves as Chief Innovation Officer at IO. In this role, he focuses on continually advancing IO technology and creating an internal culture that inspires relentless creativity from top global talent. Mr. Malik leads the IO.Cloud, IO.OS Software Engineering, and Enterprise Process Architecture teams. He previously served as Vice President, Global Enterprise IT, for Starwood Hotels and Resorts. During his tenure at Starwood, Mr. Malik oversaw technology systems in over 20 countries and was a key advisor on data center and infrastructure trends. Prior to Starwood, Mr. Malik was a lead consultant for several large global SAP deployments and worked as a consultant with Accenture. Mr. Malik holds a bachelor’s degree in Mechanical Engineering from the University of Arizona.

Michael Berry


Michael Berry serves as IO’s Chief Financial Officer since October 1, 2013. Previously, Mr. Berry served as Executive Vice President and Chief Financial Officer of SolarWinds, Inc. (NYSE: SWI), an international provider of IT management software, from November 2011, and as Senior Vice President and Chief Financial Officer of SolarWinds from March 2010. Prior to this, he served as Executive Vice President, Finance and Accounting, and Chief Financial Officer of i2 Technologies, Inc., a supply chain management software and services company, from August 2005 to January 2010. Prior to this time, he served as Senior Vice President of Solutions Management, Development and Operations of The Reynolds and Reynolds Company, Inc., a provider of software and services to the retail automotive industry, from April 2005. He joined Reynolds and Reynolds in November 2003 as Senior Vice President of Services. Mr. Berry earned a Bachelor of Arts in Finance from Augsburg College, and an M.B.A. with a concentration in Finance from the University of St. Thomas.

Karen Stein

General Counsel

Karen Stein is General Counsel for IO. Ms. Stein oversees all legal and risk management functions of the Company. She holds a Juris Doctor, with Honors, from Emory University, an MBA from Loyola University with a concentration in Finance, and a Bachelor of Science degree in Business from the University of Maryland, where she graduated magna cum laude. She has practiced law since 1994, focusing on business transactions, licensing, and intellectual property. Before joining IO, Ms. Stein practiced at the Troutman Sanders law firm in Atlanta, Georgia, and served as the Assistant General Counsel for the PGA TOUR for ten years.

Adil Attlassy

Executive Leader, Global Services

Adil Attlassy serves as Executive Leader, Global Services for IO. In this capacity, he is directly responsible for global operations and oversees IO’s global Data Center 2.0 strategy. Attlassy has spent the past 17 years in the telecommunications and data center industry, and has had responsibility for delivering solutions for global enterprise customers. Prior to joining IO, Attlassy held executive positions with Digital Realty Trust in the US, the UK and Singapore. Attlassy has supported the delivery of more than 500 megawatts of data center capacity across 64 data center sites in North America, Europe and APAC. In his most recent capacity, he managed data center development projects in Hong Kong, Singapore, Australia, and Japan. He received a DUT from Institut Universitaire de Technologie, Mulhouse, France, a BS in Mechanical Engineering from California State University, Los Angeles and an MBA in International Management from Thunderbird, the American Graduate School of International Management.

Bob Olson

Chief Customer Officer

Bob Olson serves as Chief Customer Officer at IO. In this role, Mr. Olson will be focused on defining and aligning customer strategies and organizational excellence to drive customer led growth . Mr. Olson brings a wide range of executive and senior leadership experience within the high tech, telecommunications and financial services industries. He’s served for companies ranging from early stage start-ups to established billion dollar businesses.Prior to joining IO, Olson was Chief Customer Officer at The GoDaddy Group, Inc. where he was responsible for sales, professional services, customer marketing and support. Bob also served in leadership roles at Rearden Commerce, Intuit, Homestead Technologies and ING.

Contact Us Close [x]
Call Us: 866.683.6095
Write Us: Fill out form