David Mytton
About David Mytton
David Mytton is CEO of Arcjet, a startup building a security as code product that helps developers protect their apps. He is also co-founder of Console, a weekly devtools newsletter he started in 2020 to 2021. His site says it has more than 30k subscribers.
From 2009 to 2018 he was co-founder and CEO of Server Density, a SaaS infrastructure monitoring company. It grew through bootstrapped revenue and later VC funding, and was acquired by the US edge computing company StackPath in 2018. From 2018 to 2023 he was an unpaid Expert in Residence at Seedcamp, a London seed fund that is also an investor in Arcjet.
He is working toward an Engineering Science PhD in sustainable computing at the University of Oxford.
Mytton invests his own money. Crunchbase lists 25 personal investments, with exits including Loctax, Grafbase and CloudQuery. His site notes that Astral was acquired by OpenAI in 2026, CloudQuery by env zero in 2026, and Drifting In Space / Jamsocket by Modal in 2025. It also notes that Cased shut down in 2025.
Crunchbase's timeline shows rounds he took part in from 2020 to 2023, among them Sylvera, Railway, Cyscale, Spacedrive, CloudQuery, Steadybit, Rowy and Superstream. These counts differ between data providers, so treat them as approximate.
Command Code announced a $5M seed round in February 2026. The company says Tom Preston-Werner's PWV led the round, and the announcement lists Mytton among its angel investors. Command Code builds a coding agent that learns a developer's coding preferences over time.
His site does not describe a separate AI thesis. His AI-related investing falls under his developer-first focus.
Mytton writes that he is interested in early-stage startups where developers are the primary user. His site lists cloud, devtools, APIs, devops, security, SaaS and open source. He applies the Console selection criteria to his own investing.
He says he typically invests $10-25k. He invests globally, though most of his investments are in the US. He says the most specific thing he adds is helping startups reach early users through the Console audience, along with experience building early engineering teams and developer experience. In an essay on angel investing he writes about pre-seed and seed rounds.
- Command Code: AI coding agent that learns a developer's coding taste; $5M seed announced February 2026.
- Astral: developer tooling company; his site notes it was acquired by OpenAI in 2026.
- CloudQuery: data integration tool; Series A in 2022 per Crunchbase, acquired by env zero in 2026 per his site.
- Railway: infrastructure platform; funding round in May 2022 per Crunchbase.
- Drifting In Space / Jamsocket: acquired by Modal in 2025 per his site.
- Mastra: PitchBook lists an investment dated 8 October 2025.
- Cyscale, Spacedrive, Steadybit, Sylvera and Cased: other rounds listed on Crunchbase between 2021 and 2022.
Investing activity
David Mytton appears in 1 AI deal tracked by the Lounge deals desk. The rounds are mostly Seed, with a median round size of $5M. The most recent is Command Code (Seed, $5M, Feb 2026).
David Mytton most often invests alongside Preston-Werner Ventures, Dane Knecht, Enea and Luca Maestri, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about David Mytton
Does David Mytton invest in AI startups?
Yes. He was an angel in Command Code's $5M seed round announced in February 2026. His stated focus is developer-first startups, which includes AI developer tools.
What check size does David Mytton write?
His site says he typically invests $10-25k.
What stage does David Mytton invest in?
He backs early-stage startups. His writing on angel investing covers pre-seed and seed rounds.
What does David Mytton look for in a startup?
He looks for startups where developers are the primary user, across cloud, devtools, APIs, devops, security, SaaS and open source. He applies the Console newsletter's selection criteria.
How can a founder reach David Mytton?
He is on X at x.com/davidmytton and publishes at davidmytton.blog, which has an investments page. Founders can also check his Console newsletter, since he invests in products it would feature.
Who is David Mytton?
He is CEO of Arcjet, co-founder of the Console devtools newsletter, and former co-founder and CEO of Server Density, which was acquired in 2018.
Is David Mytton an angel investor?
Yes. David Mytton invests personally as an angel.
What AI companies has David Mytton invested in?
David Mytton's AI investments include Command Code. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does David Mytton invest at?
In the rounds tracked on Lounge, David Mytton has invested at Seed, with a median round of $5M.
Who does David Mytton co-invest with?
David Mytton's most frequent co-investors on Lounge are Preston-Werner Ventures (1 deal), Dane Knecht (1 deal), Enea (1 deal), Luca Maestri (1 deal) and Paul Copplestone (1 deal).