Capabilities:

Marketing & Sales, Mergers and Acquisitions, Strategy

Sean P. McDevitt

Arthur D. Little
Partner USA TIME (Telecommunications, Information technology, Media, and Electronics) Practice

Biography

Sean McDevitt is a leading decision-maker, advisor, and thought leader in the telecommunications industry with three decades of international management consulting and operations experience spanning several global markets. 

Based in Boston, Sean is a Partner at global consultancy Arthur D. Little, . Sean’s clients – telecom operators, suppliers, private equity,  infrastructure funds, and lenders – turn to his expertise for critical business decisions regarding investment due diligence, commercial / market assessments, business plan review, strategic growth initiatives, and portfolio value creation.  

At ADL, he has been pivotal in driving ADL’s growth and re-emergence as one of the premier management consulting firms in the USA. Since its reentry into the USA market, ADL currently serves five of the top ten US telecom operators, and most of the leading financial investors, players. Sean has had an instrumental role in building the ADL USA team and company culture. 

In October 2023, the United States Commerce Secretary appointed Sean to serve on the Board of the First Responder Network Authority (FirstNet), the USA’s nationwide public safety broadband network that equips first responders to save lives and protect U.S. communities. In 2024, Sean was reappointed  to the FirstNet Authority Board for a three-year term and named Chair of the Finance & Investment  Committee, overseeing nearly $40BB in network investment. 

Sean is also a Level 4 Tenured (highest level) USA certified On-Ice Official for youth, high school, NCAA,  and disabled ice hockey. Sean officiated the recent NHL Sled Hockey Classic and the 2023, 2024, and  2025 USA Hockey Sled/Para National Championships and is a regular league official for the NorthEast  Sled Hockey League. 

Sean earned his BA in Classics and Business Economics from Brown University and his MBA from the  Kellogg School of Management at Northwestern University. 

Area of Expertise

Based in Boston, Sean is a Partner at global consultancy Arthur D. Little. Sean’s clients – telecom operators, suppliers, private equity, infrastructure funds, and lenders – turn to his expertise for critical business decisions regarding investment due diligence, commercial / market assessments, business plan review, strategic growth initiatives, and portfolio value creation.

Firm Overview

Arthur D. Little, a management consulting firm founded in 1886, is renowned for its expertise in strategy, operations, and technology management. Headquartered in Brussels, Belgium, with 44 offices across 29 countries, the firm links people, technology, and strategy to help clients find original and pragmatic ways to accelerate performance, innovate through convergence and digital, and make a positive impact on the world. ADL offers a broad spectrum of services including corporate and growth strategy, digital transformation, operational excellence, and risk management, with a notable emphasis on innovation and R&D management.

The firm’s industry knowledge spans various sectors such as telecommunications, energy, healthcare, automotive, and chemicals. Arthur D. Little’s global presence and diverse clientele, which includes multinational corporations, government agencies, and nonprofits, benefit from its collaborative approach and strategic insights.

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