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Management Team

Michael (Mike) Miller

Chief Executive Officer (CEO)

MikeMillerMichael (Mike) Miller, co-founder and managing partner of LSI, brings more than 25 years of a distinguished track record of entrepreneurial success and executive leadership to his role as CEO of Line Systems (LSI).

After 15 years of business operations, LSI has secured over 10,000 customer relationships with nearly $55 million in annualized monthly recurring revenue.  In 2005, LSI was recognized as the 315th fastest growing private company on the prestigious Inc. 500 list.

Mike manages the strategic direction, growth strategies, and many of the day to day operations. Under Mike’s leadership, LSI has enjoyed a strong history of organic and acquisitive growth.  Four acquisitions have been made during LSI’s successful 15 year history.  Most recently, Magellan Hill Technologies located in Voorhees, New Jersey became part of the LSI family.

Earlier in his career, Mike built a strong list of achievements in business ownership and executive management.  In the late 1980s, Mike was Executive Vice President of Automatic Telephone Systems (ATS), a business he co-founded, which operated payphones in four states before being sold in 2001.  Prior to ATS, Mike was involved in the development and management of several other businesses, including his role as Director of Operations for a company that operated 12 amusement centers in leading shopping malls.

Throughout his executive tenure, Mike has consistently demonstrated the ability to maximize revenue growth, reduce operating costs, and develop talent-rich organizations to help build world-class businesses.

Outside the office, Mike enjoys restoring classic cars and golf.

Mike lives in New London, PA with his wife, Jill.


Warren Reyburn

Executive Vice President

WarrenReyburnWarren brings more than 17 years of experience in the telecommunications industry to his role as Executive Vice President at Line Systems (LSI).  His primary role is the strategic and tactical leadership along with the day to day management of sales, development and provisioning.  In addition, Warren oversees the implementation, billing, and customer service of all new business and existing accounts.  In previous roles at LSI, he has been involved with revenue assurance, interconnect relations and billing, carrier relations, and high level repair escalations.  Before joining LSI, Warren worked in several capacities at Verizon, including field and central office roles in provisioning and technical support.  Additionally, Warren spent 18 months at CTC Communications working as a Network Coordinator.

Warren holds a Bachelor of Arts degree from the University of Delaware.

Outside of work, Warren is an avid soccer fan and enjoys traveling abroad.

Warren resides in West Chester, PA with his son.


John West

Vice President of Finance

JohnWestJohn joined the Line Systems (LSI) team as Controller in February 2003.  Today, as the Vice President of Finance, John is in charge of all financial and accounting aspects of the company, including banking relationships, forecasting, internal controls, and financial reporting.  He possesses over 20 years of accounting experience, including 12 years of controllership experience in the telecommunications and Internet Service Provider (ISP) spaces.  Prior to joining LSI, John worked for an ISP leading the effort to expand their product offering to include local and long distance phone services. John negotiated a long-term debt facility to enable the company to purchase and build a telecommunications network.  John started his career at Deloitte & Touche, LLP, a premier Big Four accounting firm. In this role, he dealt primarily with publicly traded companies in a variety of industries.  John also holds the distinction of being a Certified Public Accountant (CPA) as well as a member of the American Institute of Certified Public Accountants and the New Jersey Society of Certified Public Accountants.

John earned a BA in Accounting from Rutgers University.

Outside of work, John enjoys the outdoors and spending time with family.

John resides in Lumberton, NJ with his wife, Kelli and their twin sons, Leo and Owen.

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