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Feb 28, 2022 Portfolio Company News

Grain Management-Backed Network Wireless Solutions (NWS) Announces Appointment of Longtime AT&T Executive Xavier Williams as CEO

Williams brings three decades of leadership experience in the telecommunications industry

Durham, North Carolina (February 28, 2022)

(BUSINESS WIRE)–Network Wireless Solutions, LLC (“NWS”), a rapidly growing solutions and logistics provider to carriers and telecommunications contractors, announced today that former longtime AT&T executive Xavier Williams has joined the firm as Chief Executive Officer. Williams succeeds founder Jeff White and will assume management of day-to-day operations for NWS. NWS is a portfolio company of Grain Management, LLC (“Grain”), a leading Washington, D.C.-based investment firm focused on the global communications sector.

Across his 30-year career at AT&T, Williams has served in a wide array of executive leadership capacities in finance, product management, strategy, sales, human resources, global operations and customer service. Williams most recently served as President of Public Sector and FirstNet leading AT&T’s efforts focused on the Federal Government, State & Local Government, Educational institutions and efforts focused on the First Responder community until September 2020. Subsequently, he was CEO of AVC Technologies, a global cloud communications provider through June 2021.

“It has been a great joy to lead so many outstanding professionals at NWS and build it to the company it is today,” said White. “With Xavier’s proven history as a results-oriented leader and motivator of people across a diverse set of functions, I know that our team and customers will be in great hands.”

“First, on behalf of everyone at NWS, I want to thank Jeff for his dedication to building an organization that is committed to excellence and the highest level of products and services for its customers,” said NWS President John Hamilton. “Over his tenure at AT&T, Xavier has proven that same commitment to excellence, so I am pleased to welcome him aboard.”

“I am honored to join NWS at such an exciting time for the industry,” said Williams. “I look forward to working with the executive team, board of directors, and our partners at Grain Management to take NWS to the next level in an industry ripe for growth.”

During his time at AT&T, Williams also served as President for Government Solutions & National Business, President for Global Public Sector & Wholesale Markets, President for Business Operations, President for National Business, Executive Vice President for Global Customer Service, Senior Vice President for Service Management, Senior Vice President for Government, Education & Media, and Senior Vice President for Business Communications Services. In 2017, Williams was named one of Black Enterprise’s Most Powerful Executives in Corporate America.

About NWS

Since 2012, NWS has provided a wide array of mission-critical services to the wireless telecommunications industry. The company has established itself as a critical partner to carriers, project managers, and general contractors through its expertise, quality of service, and ability to develop and deliver custom cabling solutions and equipment exactly when needed. By combining extensive industry knowledge, a disciplined focus on customer service, and high-quality materials, NWS is a proven partner to keeping cell sites running smoothly. For more information visit

About Grain Management

Grain Management, LLC is a leading global investment firm that focuses on broadband infrastructure and technology companies that connect the world to the information economy. Founded in 2007, Grain invests exclusively in the global telecommunications sector, employing a rigorous, data-based process buoyed by deep industry expertise to identify investment opportunities in key areas of telecommunications infrastructure, including fiber networks, wireless spectrum and cell towers. For more information visit


NWS Public Relations

Bill Elkin

[email protected]

Grain Management Public Relations

[email protected]




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