Theo Strauss
About Theo Strauss
Theo Strauss is an individual angel investor. PitchBook classifies him as an active angel (individual) and lists him as a former board member at Evolute, a business and productivity software company.
We did not find a personal site, X account or press profile that we could tie to this investor with confidence. Other people named Theo Strauss appear online, including a Stanford and Apple-linked person in Palo Alto. We have not assumed they are the same person, so this page leaves out their career details.
PitchBook lists two investments for Theo Strauss. The earlier one is Evolute, dated 26 November 2021, in business and productivity software, with no deal type or size shown. The later one is the Aristotle seed round dated 16 September 2026.
PitchBook shows no deal sizes, ownership stakes or lead-partner roles for either entry.
Aristotle is a voice-first AI tutoring platform for students. On 16 September 2026 it announced $5 million in seed funding, led by True Ventures with participation from Wicklow Capital and angel investors from companies including Anthropic, OpenAI, Sierra, Ramp and Cognition. The Lounge deals desk lists Theo Strauss on this round.
The press coverage we found does not name individual angels beyond a few True Ventures investors, so his check size in Aristotle is not public. Per PitchBook, Aristotle was generating revenue at the time of the round.
With two recorded deals, there is too little public data to state a thesis. Both are software companies: one in educational software (Aristotle, seed) and one in business and productivity software (Evolute). We found no public statement from Theo Strauss on stage, sectors, geography or typical check size, so none is given here.
- Aristotle: voice-first AI tutoring platform for students; $5M seed round announced 16 September 2026, led by True Ventures.
- Evolute: business and productivity software company; PitchBook dates the investment to 26 November 2021 and lists him as a former board member.
Investing activity
Theo Strauss 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).
Theo Strauss 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 Theo Strauss
Who is Theo Strauss?
Theo Strauss is an individual angel investor. PitchBook records two investments, in Evolute (2021) and Aristotle (2026), and lists him as a former board member at Evolute.
Has Theo Strauss invested in AI startups?
Yes. He is listed on the $5M seed round of Aristotle, a voice-first AI tutoring platform, announced on 16 September 2026.
What is Theo Strauss's typical check size?
It is not public. Neither PitchBook nor the Aristotle announcements give his check size or ownership stake.
What stage does Theo Strauss invest in?
His only recorded AI deal is a seed round. Both of his listed companies were generating revenue at the time. He has not publicly stated a stage preference.
Is Theo Strauss actively investing?
PitchBook marks him as active and actively seeking new investments. Founders should confirm his current interest directly.
How should founders approach Theo Strauss?
He has not published guidance on how he prefers to be approached. The LinkedIn profile on this page is the only public contact route we have. Founders can also ask the Aristotle team for an introduction.
Is Theo Strauss an angel investor?
Yes. Theo Strauss invests personally as an angel.
What AI companies has Theo Strauss invested in?
Theo Strauss's AI investments include Aristotle. The 1 round on Lounge are listed on this page with amounts, dates and co-investors.
What stage does Theo Strauss invest at?
In the rounds tracked on Lounge, Theo Strauss has invested at Seed, with a median round of $5M.
Who does Theo Strauss co-invest with?
Theo Strauss'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).