David Hammarwall

Overview

David Hammarwall has been appointed Head of Business Area Networks and Senior Vice President at Ericsson, effective October 1, 2026, based in Stockholm. He holds a PhD in telecommunications from KTH Royal Institute of Technology in Stockholm and has been with Ericsson since 2007. He succeeds Per Narvinger, who has been appointed President and CEO of Ericsson.

Hammarwall received his Ph.D. in Telecommunications from KTH Royal Institute of Technology in 2007, after which he joined Ericsson Research with a primary focus on 3GPP standardization and research in areas including multi-antenna technologies, Coordinated Multipoint (CoMP), and Small Cell Enhancements. This technical foundation has shaped his career trajectory toward strategic technology leadership and standardization work.

In his current role before promotion, Hammarwall has been Head of Customer Unit T-Mobile since 2023, managing relationships with a major North American operator and demonstrating both customer-facing and commercial expertise. Industry observers note that he returns to Networks with "fresh market experience" after this customer-focused interlude.

Career History

• Head of Customer Unit T-Mobile (2023–present)
• Head of Product Area Networks
• Head of Product Line Radio
• Head of Product Line 5G RAN
• Head of RAN Services and Mobility; Head of Product Line 2G/3G; primary driver of Ericsson's strategy for Cellular Internet of Things
• Ericsson Research (post-PhD, focus on 3GPP standardization)

What Hammarwall could bring to Head of Business Area Networks:

Hammarwall combines deep technical credentials in radio access network (RAN) architecture and standardization with two decades of internal experience across product development, innovation strategy, and major customer engagement. His progression from research scientist to product leader to customer-facing executive positions him to drive both technological differentiation and commercial execution for Ericsson's largest business area during the AI-enabled 5G-to-6G transition. His role in advancing cellular IoT and multi-antenna technologies demonstrates innovation leadership, while his T-Mobile tenure proves ability to translate customer requirements into product roadmaps—critical for navigating operator demands around AI-RAN capabilities and network intelligence.