Hi! I'm currently chasing convexity through systems managing billions in value at Project 0. Here is a bit of my background, some media, some writing, and answers to questions you might have:
Work
Contact
News
Investments
Writing
Work
Presently, I'm iterating in a nascent industry with a shrewd team at the intersection of finance & crypto. Previously, I exited a trading firm, sold a healthtech company, got acqui-hired from a hedge fund, & grew other orgs at-scale.
founder
0.xyz
Current
2025-Present
advisory board
sol.forwardindustries.com
Current
2025-Present
cofounder
marginfi.com
Current
2021-Present
cofounder
temporal.xyz
Exited
2024-2025
cofounder
mrgnresearch.com
2022-2024
crypto advisor
latecheckout.studio
2021
cofounder
cabana.health
Acquired
2020-2021
mid market deals
medequity.com
2019
institutional consulting
ms.com
2019
founder
notion.so
Acqui-hired
2015-2019
Contact
I get a lot of messages, so here I'll set expectations for those reaching out. If you are contacting me for one of the following reasons, please take a look at my response before doing so.
News
Sometimes people write about the stuff I work on. Here are a few of those pieces I have remembered to save:

‘DeFi prime broker’ Project 0 launches on Solana with unified margins
crypto.news
September 11, 2025

Project 0 Launches First Multi-Venue, DeFi Native Prime Broker on Solana
www.dlnews.com
September 11, 2025

State of Solana Q3 2023
messari.io
October 18, 2023

Solana enjoys post-FTX ‘renaissance’ on back of network and DeFi upgrades
www.dlnews.com
August 27, 2023

Project Spotlight: marginfi - A New Borrow/Lend Protocol
squads.so
August 23, 2023

New Pyth Data Provider: mrgn research
pyth.network
August 22, 2023

Solana DeFi is making a comeback
www.alphaplease.com
August 17, 2023

‘Blast radius’ of new users joining Solana DeFi for the points, liquidity is ‘snowballing’
blockworks.co
July 20, 2023

#2 - Solana Defi 2.0: The Comeback
blockworks.co
July 20, 2023

DeFi Lender MarginFi Fuels Growth With Loyalty Points
www.coindesk.com
July 14, 2023

The smoldering wreckage of Solana DeFi might be due for a rebirth
blockworks.co
July 10, 2023

Solana Deep Dive: Reframing The Narrative
messari.io
June 27, 2023

Solana the Monolith
members.delphidigital.io
May 31, 2023

This AI Chatbot Plugs Into Your Crypto Wallet
www.coindesk.com
April 18, 2023

Portfolio Margin Systems
www.paradigm.co
January 11, 2023

Utilise marginfi
medium.com
August 23, 2022

三分钟读懂 marginfi:Solana 生态「统一」清算协议
www.bitpush.news
August 12, 2022

Margin
www.veradiverdict.com
August 11, 2022

Confidentia: marginfi Announces Mainnet (Alpha)
pythnetwork.medium.com
July 5, 2022

Solana Protocol Gets $3M in Seed Funding With Aim to Bridge DeFi Margin Trading
blockworks.co
February 23, 2022

Defining the Next Generation of Crypto Apps with Composability
youtu.be
December 17, 2021

A tech-agnostic health community
www.producthunt.com
May 11, 2021

2020 Summer Catalyst Startup Profile: Cabana Health
blogs.babson.edu
August 1, 2020
Investments
I’m focused on companies with whom I can collaborate deeply with to expand my work and mission.
Global state machine
solana.com
Multi-sig wallet
squads.so
Wallet & exchange
backpack.app
LST infrastructure
sanctum.so
Privacy infrastructure
arcium.com
Yield derivatives
exponent.finance
Futarchy system
metadao.fi
Margin platform
asgardfi.com
Writing
I deeply enjoy the infusion of politics, tech, finance and culture. I promise to write more soon.

Introducing Project 0: Product, Timeline, and Token
blog.0.xyz
September 11, 2025

Death to MRGN. Long live marginfi.
substack.com
September 11, 2025

2023 Reflections
macbrennan.substack.com
December 24, 2023

2022 Reflections
macbrennan.medium.com
December 31, 2022

2021 Reflections
macbrennan.medium.com
January 9, 2022

2020 Reflections
macbrennan.medium.com
December 31, 2020