Miles McCain
About Miles McCain
R. Miles McCain lists his current role on his personal site as Member of Technical Staff at Anthropic. The Aristotle funding announcement lists him as "Impacts, Anthropic". He also supports human rights investigations at scale through Atlos, an open source platform for visual investigations. Atlos work is supported by National Geographic, the Brown Institute at Stanford, and Microsoft.
Earlier work includes election security at CISA/DHS, privacy engineering at Apple, trust and safety at the Stanford Internet Observatory, and AI policy with OpenAI and the Cornell Tech Policy Institute. He taught CS 106S (Coding for Social Good) at Stanford and co-directed the Stanford Security Clinic. He is an alum of the Recurse Center. He says he had an app and sold the business, and he worked on cyber policy for a 2020 presidential campaign.
His research and commentary have appeared in the New York Times, the Washington Post, TIME, Foreign Affairs, Lawfare and other outlets.
The public record we found shows one angel investment: the Aristotle seed round announced on September 16, 2026. He is named among the angel investors in the press release. We found no Crunchbase profile or personal statement listing other angel checks, so none are listed here.
Aristotle is a voice-first AI tutoring platform for students ages 13 to 18. It announced a $5M seed round led by True Ventures, with Wicklow Capital and a group of angels who work at AI and technology companies. McCain is one of those angels. The company was founded in 2025 by Stanford alumni Shan Reddy, Jaiden Reddy and Vivek Vajipey and is based in San Francisco.
McCain has not published an investment thesis, check size range, or preferred stage or geography that we could find. The one known investment is a seed-stage AI company in education. Founders who want to pitch him should treat his focus as unstated. His professional background is in AI, trust and safety, security, privacy and policy.
- Aristotle: voice-first AI tutoring platform for students ages 13 to 18. It announced a $5M seed round led by True Ventures in September 2026, and McCain participated as an angel.
Investing activity
Miles McCain 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 Aristotle (Seed, $5M, Sep 2026).
Miles McCain most often invests alongside True Ventures, Ben Broca, Drew Wadsworth and Wicklow Capital, and the companies they back on Lounge are mostly in AI.
Deals
Frequently asked questions about Miles McCain
Is Miles McCain an angel investor in AI startups?
Yes. He is named as an angel investor in the $5M seed round for Aristotle, an AI tutoring company, announced in September 2026. We found no public list of other investments.
What is Miles McCain's angel check size?
His check size is not public. Aristotle's announcement did not disclose individual angel amounts.
What stage does Miles McCain invest in?
The only public example is Aristotle's seed round. He has not published a stage preference.
What does Miles McCain do besides angel investing?
He is a Member of Technical Staff at Anthropic, according to his personal site. He also works on Atlos, an open source platform for human rights investigations.
How can founders contact Miles McCain?
His personal site, miles.land, says to reach him by email and links to his GitHub and Twitter. We could not verify his LinkedIn or X handle, so we have not listed them.
Is Miles McCain an angel investor?
Yes. Miles McCain invests personally as an angel.
What AI companies has Miles McCain invested in?
Miles McCain's AI investments include Aristotle. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Miles McCain invest at?
In the rounds tracked on Lounge, Miles McCain has invested at Seed, with a median round of $5M.
Who does Miles McCain co-invest with?
Miles McCain's most frequent co-investors on Lounge are True Ventures (1 deal), Ben Broca (1 deal), Drew Wadsworth (1 deal), Wicklow Capital (1 deal) and Cognition (1 deal).
How can founders reach Miles McCain?
Founders on Lounge can see Miles McCain's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with them under Warm Paths, and add Miles McCain to their Investor Pipeline to track the conversation.