MN
Mark Nelson
Advisor / Venture investor at Madrona Ventures
· Seattle
Check size
Undisclosed
Lead stage
seed
Deals tracked
29
Sectors
AI & Intelligent Apps, Data & Infrastructure
AI & Intelligent Apps
Data & Infrastructure
Developer Platforms & Tools
Enterprise Apps
AI-Enabled Biotech
Deep Tech
seed
early
acceleration
Early-stage
United States
North America
About Mark
Mark Nelson is a Director with investment and operational experience in early-stage ventures. Limited public information is available regarding his specific firm affiliation, investment stage focus, or sector specialization based on the provided data
Investment thesis
Helps build and back software companies through investing and board-level support.
Mark Nelson focuses on evaluating new investments and advising portfolio companies and their leaders at Madrona. Drawing on decades of experience building products, teams, and businesses—including leadership roles at Tableau (acquired by Salesforce for $16 billion), Concur (acquired by SAP for $8 billion), and Oracle—he brings deep operational and technical expertise to help the next generation of software and AI-driven companies succeed. At Madrona, he invests across AI & Intelligent Apps, Data & Infrastructure, Developer Platforms, Enterprise Apps, and other technology categories, with a particular focus on how software and data analytics will transform industries
Investment philosophy
Mark Nelson focuses on evaluating new investments and advising portfolio companies and their leaders at Madrona. He serves on the boards of CircleCI and Veezoo, indicating a hands-on approach that combines investment selection with ongoing governance and company-building support.
Recent activity
Live platform data · proprietary, citable layer
Notable portfolio
Algorithmia
Ally.io
Amigo
Amperity
Anomaly
AnsweriQ
Anthropic
Atomic
Axiom
Charta Health
Chatitive
Clari
Clarify
Clozd
Coda
How to approach Mark
Evaluate investments — Focuses on sourcing and evaluating new investment opportunities.
Advise founders — Works with portfolio company leaders on strategy and execution.
Board service — Serves on the boards of CircleCI and Veezoo.
Frequently asked
Does Mark Nelson invest at seed stage?
Yes. They invest at seed, early, acceleration stage.
Their geographic focus includes United States, North America.
What is their typical check size?
Check size is not publicly disclosed. They currently invest through Madrona Ventures.
What sectors does Mark Nelson focus on?
Mark Nelson primarily invests in AI & Intelligent Apps, Data & Infrastructure, Developer Platforms & Tools, Enterprise Apps.
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