
Is Robert Metcalfe A-List?
No — Robert Metcalfe is currently ranked B tier — a well-known figure with a strong career but not quite a household name.
Reached A-list in 1990
3Com IPO and Growth
Lost A-list status in 2000
Dropped to B tier — Leaves 3Com, Venture Capital
Ranking Timeline
Co-Invents Ethernet at Xerox
Co-invents Ethernet, laying the foundation for his future success but initially just a research project.
Founds 3Com Corporation
Co-founds 3Com, commercializing Ethernet technology and beginning his entrepreneurial journey.
3Com IPO and Growth
3Com goes public and experiences significant growth, increasing Metcalfe's wealth substantially.
Formulates Metcalfe's Law
Popularizes Metcalfe's Law, further solidifying his reputation as a technology visionary.
Leaves 3Com, Venture Capital
Leaves 3Com and becomes a venture capitalist, investing in early-stage tech companies.
Technology Pundit and Investor
Engages in public speaking and continues venture capital investments, maintaining a strong influence in the tech industry.
Ethernet Pioneer, Network Theorist
Recognized as a pioneer of Ethernet and network theory, remaining an influential figure in the technology world.
Last updated: February 25, 2026