OCTOBER 11 – 12, 2023 | Richardson, TX

5G Americas 2023 Analyst Forum Speakers

Karri Kuoppamaki

Senior Vice President
Network Technology Development and Strategy


Karri Kuoppamaki is the Senior Vice President, Network Technology Development and Strategy for T-Mobile USA. Karri manages T-Mobile’s long-term network technology strategy and roadmap, including spearheading the development and evolution of the next-generation wireless network and device platform related technologies. With a focus on technology development and innovation especially related to Radio Access Network, Karri is responsible for identifying worldwide trends in telecommunications and applying them to T-Mobile’s network plan. Karri and his team have been instrumental in driving T-Mobile’s nationwide 5G strategy.


Karri additionally oversees the company’s new radio spectrum development and associated support for regulatory bodies in the U.S. His team is also responsible for driving T-Mobile’s technology and development goals with the global standardization and other industry forums.  Karri is a frequent speaker at industry events in the areas of innovation and network technology. 

Mark McDiarmid

Senior Vice President
Radio Network Engingeering and Development


Mark McDiarmid has 32 years of experience in the wireless industry in both domestic and international operations. These experiences have developed Mark’s knowledge and expertise of systems engineering, and business planning and technology development. Previously, Mark played a key role in the development of several new businesses that provided innovative products and services to the industry.


Currently, Mark serves as Senior Vice President, Radio Network Engineering and Development for T-Mobile USA, where he leads several teams of industry leading engineers focused on creating robust, operationally efficient, and economic radio network designs. His responsibilities include strategy and development of radio spectrum and access network technology, radio system design and device technology. Recently, Mark was responsible for defining the evolution and system design of T-Mobile USA’s HSPA+ mobile broadband network including the design and operationalization of new radio network transport solutions based on IP and Ethernet.