Thomas Alberg – Startup Investor Profile

Thomas Alberg is a Co-Founder and Managing Director at Madrona Venture Group. Madrona focuses on seed, startup, Series A, and early-stage investments. Thomas Alberg has made significant investments in companies like Amazon and other technology startups in the Pacific Northwest region. The investment thesis of Madrona Venture Group revolves around the intersection of innovation between machine learning, intelligent applications, and life sciences. While specific information on stage of investment, geographical preference, track record, investment check size, and partnership styles was not found, Madrona’s past investments include notable companies such as Amazon and Microsoft. Thomas Alberg’s career includes roles at LIN Broadcasting Corporation, McCaw Cellular Communications, and Perkins Coie.

Location: Seattle, WA

Country: Sweden

Investment Regions:

Investment Stages: pre-seed, seed

Website:

AI Reasoning: Search results show Tom Alberg (Tom, Thomas) co-founder of Madrona died in August 2022 and his last known investments were many years earlier; no records of investments by Thomas Alberg within the past three years (including 2023-2025). The recent Madrona investments (e.g., Finpilot Feb 2024, Madrona funds in 2025) are firm-level and not attributable to Thomas Alberg personally. The only named startup tied directly to him historically is Amazon. Given absence of any personal investment activity since his death and no recent deal found, classify as not-found.

Low Activity – Only known angel investments more than 12 months ago.

Active – Known angel investments between the last 12 and 6 months.

Very Active – Known angel investments in the last 6 months.