miko.matsumura

managingPartner@gumi.cryptos.capital

Miko Matsumura is a frontier tech innovator that invests in early stage tech companies in Silicon Valley. From neural networks in 1990 to Web3 unicorns in 2025, building open source infrastructure that makes the world more innovative.

// Personal Stats
const mikoStats = {
firstNeuralNet: 1990,
totalAum: "$130M+",
unicorns: 5,
yearsInTech: 30,
role: "Managing Partner"
};

$ git log --oneline --graphHighlights

1990
Yale Neuroscience PhD Program
Built 33 parameter back-propagation neural network in C++ on Sun SPARCstation, based on "Learning representations by back-propagating errors" by Rumelhart, Hinton and Williams (Nature, 1986).
1995-2005
Chief Developer Evangelist @ Sun Microsystems
Led Java Programming Language Platform and open source software.
2005-2018
Serial Entrepreneur & Builder
Raised $50M+ in venture capital for developer infrastructure companies including Hazelcast. Multiple exits: INFRAVIO, webMethods, Db4O.
2018-Present
Managing Partner @ gumi Cryptos Capital
Investing in breakthrough Web3 technologies including unicorns OpenSea, Yield Guild Games, and emerging leaders in DeFi.

Portfolio { Web3 & Infrastructure }

OpenSeaexit
NFT Infrastructure
Premier NFT marketplace enabling digital ownership at scale.
ReactEthereumWeb3
Yield Guild Gamesunicorn
Gaming DAO
Decentralized autonomous organization focused on blockchain gaming.
SolidityUnityPolygon
1Inch Networkactive
DeFi Aggregation
DEX aggregation protocol optimizing DeFi trading routes.
SolidityNode.jsDeFi
Ether.Fiactive
Liquid Staking
Liquid staking protocol for Ethereum.
SolidityEthereumDeFi
Startaleactive
Multi-chain Platform
Japan Smart contract platform supporting both Sony's Sonieum and SBI Holdings Stablecoin project.
RustSubstrateWeb3
Sentoraboard
Analytics & Trading
Algorithmic trading and blockchain analytics platform.
PythonMLAnalytics
01/**
02 * Personal Philosophy & Investment Thesis
03 * @author Miko Matsumura
04 */
05
06function buildBetterWorld() {
07 return {
08 consensus: "more consensual",
09 fairness: "fair & just",
10 nonviolence: "respect for individual sovereignty",
11 transparency: "transparent systems",
12 innovation: "breakthrough technologies"
13 };
14}
15
16// "Open Source infrastructure will make the world
17// more consensual, fair, just, accessible, transparent & innovative."