Christopher Rabii

SVP Platforms, Fulfillment and Operations

Christopher Rabii is the Senior Vice President of Operations and CTO responsible for all activities related to network design and customer operations. In this role, he leads construction, engineering, field operations, provisioning and service delivery, inclusive of network maintenance and monitoring. He also drives the company's award-winning customer-service strategy and guides the overall strategic vision for the evolution of the network architecture.


Prior to joining Lightpath, Mr. Rabii held various management positions over the course of nearly ten years at AboveNet Communications, based in White Plains, NY. Most recently, as Vice President of Engineering at AboveNet, Mr. Rabii had overall engineering responsibility for all metro, long-haul and IP networks.

Earlier in his career, Mr. Rabii was a research and development Project Manager in the area of fiber-optic laser delivery methods at Premier Laser Systems, a medical device manufacturer based in Irvine, CA.

Mr. Rabii earned a B.S. in Ceramic Engineering, an M.S. in Ceramic and Materials Engineering and a Ph.D. in Ceramic and Materials Engineering, with a focus in Fiber Optics from Rutgers University.

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David Kniffin

SVP Finance and Business Intelligence

David Kniffin is Senior Vice President and Chief Administration Officer for Lightpath. In this role, he leads Lightpath's finance and administrative functions to support the company's growth as a provider of Ethernet-based telecommunications and managed services for New York area businesses.


With more than 20 years of experience in financial and operational roles, Mr. Kniffin most recently served as Senior Vice President of Financial Planning for Cablevision, supporting financial reporting, budget and forecasting processes for Lightpath and other Cablevision business units. Prior to his time with Cablevision, he held senior finance and general management positions at Newsday.

Earlier in his career, Mr. Kniffin worked for Tribune Ventures, where he was responsible for investing in early stage media and technology companies. He began his career with Marakon Associates as a management consultant to businesses in the telecommunications, consumer products and pharmaceutical industries.

Mr. Kniffin holds a Bachelor of Science in Electrical Engineering from Yale University and an MBA from the Kellogg School of Management.

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Tyler Nau

SVP Enterprise and Carrier Sales

Mr. Nau holds the position of Senior Vice President, Enterprise and Carrier within the Business Services Division of Altice USA. In his current role he is responsible for driving growth in the Enterprise and Carrier customer segments and oversees Sales, Marketing, and Business Development activities directed at those segments.


Over a 20-year career in technology, media, and telecom, Mr. Nau has held executive positions in sales, operations, corporate development and finance and has served as a board member/advisor for multiple mid-market companies. Prior to Altice, he held key roles with Suddenlink Communications, Cequel III, SBA Communications, Charter Communications, Highland Capital Management, and PricewaterhouseCoopers Management Consulting.

Mr. Nau is a graduate of the Southern Methodist University School of Engineering and Applied Sciences and holds an MBA from the Olin School of Business at Washington University in St. Louis. He is active in his church, as a youth leader in his local YMCA, and his hobbies include cycling, skiing, and spending time with his wife of 18 years (Amanda) and his three daughters.

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Joseph Flynn

VP Mid Market Sales and Sales Strategy & Support

Joseph Flynn is Senior Vice President of Sales for Lightpath. In this role, he oversees the Lightpath sales operation with responsibility for day to day leadership and management of all company sales functions. This work includes guiding the salesforce's efforts to establish deep customer connections, which are the foundation of the organization and support enhanced understanding of unique business needs.


Mr. Flynn joined Lightpath in 2001, and has held a range of leadership positions that have seen him play an integral role in driving the company's success in Ethernet services delivery, as well as significant growth across the government, education and healthcare verticals. Prior to joining Lightpath, Mr. Flynn supported sales operations for Computer Associates.

Mr. Flynn earned a B.A. in Management and Marketing from Adelphi University.

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