Cologix Leadership

Cologix’s experienced team of communications infrastructure professionals is committed to providing its customers the highest-standard of local customer support.

Bill Fathers

Bill Fathers, Chairman and Chief Executive Officer

Over the past 20 years, Bill has held a variety of executive leadership positions in the global communications sector across data centers, cloud services and software. In addition, Bill has served as a Senior Operating Partner responsible for communications infrastructure investments at Stonepeak Infrastructure Partners, a private equity firm specializing in North American infrastructure and the majority equity holder in Cologix. Bill was most recently Executive Vice President of Cloud Services at VMware and previously served as President of Savvis, a public data center and cloud infrastructure provider. Bill currently serves on the Board of Directors of euNetworks and was also a member of the Board of Directors of Telx, a leading cross-connection and colocation platform. Bill holds a Master of Arts in Engineering from Cambridge University.

Stephen Tucker

Stephen Tucker, Chief Financial Officer

Stephen is the Chief Financial Officer for Cologix, where he is responsible for finance, tax, accounting and treasury. Prior to his current role, Stephen was Chief Financial Officer for FTD Companies, Inc and prior to that, held various financial leadership positions in the telecommunication (AT&T) and media (DIRECTV) industries. Stephen holds a Bachelor of Business Administration, Accounting and Finance from Simon Fraser University.
Matthew Spencer

Matt Spencer, Chief Technology Officer

Matt is the Chief Technology Officer for Cologix. He is responsible for leading engineering and operations for Cologix. Matt has 25 years of experience leading worldwide IT and telecommunications organizations. Matt has served as the Senior Vice President of Global Operations for the Network and Customer Care Centers of Level 3 Communications, as Senior Vice President for Level 3’s IP Network, Voice over IP and Video Engineering and as Director of IT Operations for the University of Colorado Hospital. Matt holds a bachelor’s degree in finance.
Val Milshtein

Val Milshtein, Chief Information Officer & SVP Network Services

Val is the Chief Information Officer & Senior Vice President of Network Services for Cologix. He is responsible for leading Product and Process development as well as Systems and Network Architecture. He has over 20 years of management experience providing product and technology solutions within commercial and government sectors. Prior to Cologix he held a number of product development roles at Level 3 Communications where he directed media content, voice & data, and managed services product development teams and led the transformation of the Product Development Management discipline through the adoptions of Agile development methods. Prior to Level 3, Val was the VP of Business Systems Development for Genuity Solutions, a Bell Atlantic - GTE Corp. Internet and Managed Services provider spin-off. He led the development efforts for separation and ultimately successful IPO of Genuity followed by the largest CRM implementation in the industry.
Lisa Guillaume

Lisa Guillaume, Chief Marketing Officer

Lisa is the Chief Marketing Officer for Cologix, where she is responsible for the global product and marketing strategy for the Company. Lisa is a B2B line of business leader with over 20 years of experience in product strategy, marketing and development. She has had extensive success in managing business unit P&L and revenue target achievement. Lisa has worked in a range of product and marketing roles at both very large and start-up companies including most recently as Chief Product Officer for Relay Network, an enterprise SaaS provider for B2C mobile communications. Prior to that, Lisa was the Managing Director of the B2B practice at Sterling-Rice Group, VP of CDN Services for Level 3 Communications and VP of Product and Marketing at Digital Globe. Lisa also ran a consulting practice that partnered with Communications Media Advisors, LLC (CMA) on go-to-market planning and execution for technology and cloud services companies. Lisa has a B.S. in Marketing from Virginia Tech and an MBA from American University.
Cologix Facts