Mike Krieger

Background

Michel “Mike” Krieger is a Brazilian-American entrepreneur and software engineer who co-founded Instagram in 2010 with Kevin Systrom ¹. He studied symbolic systems at Stanford University, a multidisciplinary major combining computer science, linguistics, philosophy, and cognitive psychology ¹. He served as Instagram’s Chief Technology Officer from 2010 to 2018, growing the engineering team to over 450 people and helping scale the platform to more than one billion users ².

After departing Instagram in 2018, Krieger spent three years building Artifact, a personalized AI-powered news app, which was subsequently acquired by Yahoo ². On May 15, 2024, he joined Anthropic as Chief Product Officer, overseeing product engineering, product management, and product design ². In January 2026, Krieger transitioned to co-lead Anthropic’s internal incubator, dubbed “Labs,” which focuses on building experimental AI products ³. He was named to TIME’s 100 Most Influential People in AI for 2025 ⁴.

Krieger serves as an advisor at SignalFire ¹ and joined Figma’s board of directors in July 2025 ⁵. He also holds a board membership at The Browser Company, creators of the Arc browser ³. Together with his wife, Kaitlyn Krieger, he co-founded the Future Justice Fund, a philanthropic organization dedicated to social justice and equity issues ¹.

Stated Thesis

Krieger has not published a formal investment thesis. His angel investments appear driven by his product-building expertise, with a focus on developer tools, productivity software, and AI-enabled products. On the Lenny’s Newsletter podcast, he described his product philosophy: “You just have to allow for much more bottoms up creativity, because the best products are the ones that are built very close to the model” ⁶. He has emphasized that startups can build durable moats through “deep domain expertise,” “differentiated go-to-market with specific customer knowledge,” and “completely new interaction paradigms that incumbents can’t easily copy” ⁷.

On startup success, Krieger has stated: “Not every step needs to make logical sense” and noted that “There were definitely things I did where I thought, ‘Am I wasting my time here?’ but later, they connected to the next thing I did” ⁸.

Inferred Thesis

Based on 17 verified investments compiled from Premier Alternatives, Arete Index, NFX Signal, and CodeCrafters’ seed announcement, Krieger’s angel portfolio shows the following patterns. This represents a partial view; sources indicate he may have made up to 32 total investments ³.

Sector distribution (17 verified investments): - Developer tools / productivity software: 7 of 17 (41%) — Figma, Scale AI, Supabase, incident.io, Openlayer, Granola, CodeCrafters - AI / machine learning: 4 of 17 (24%) — Scale AI, ElevenLabs, Openlayer, Mirage - Consumer / media: 3 of 17 (18%) — Loom, Opal Camera, Rooms - Fintech / asset management: 2 of 17 (12%) — Titan, Portola - Other: 1 of 17 (6%) — The Wedding Company

Note: Some companies span multiple categories; each is counted once in its primary category.

Stage distribution (5 investments with confirmed round data): - Seed: 2 of 5 (40%) — mmhmm, CodeCrafters - Series A: 1 of 5 (20%) — Titan, Prefer - Series B: 1 of 5 (20%) — Loom - Series C: 1 of 5 (20%) — Figma, Scale AI

Sample too small for reliable stage percentages, but Krieger invests across stages from seed through Series C.

Check size: NFX Signal reports a range of $5,000 to $50,000 with a sweet spot of $25,000 ⁹. This is consistent with a personal angel investing approach alongside his primary operating roles.

Exit track record: At least 3 confirmed exits: Figma (entry at $400M valuation, current ~$20B, 50x), Loom (entry at $125M, acquired by Atlassian for $975M, ~12x), and Scale AI (entry at $900M, current ~$29B, ~8x) ¹⁰.

Geographic concentration: All verified portfolio companies are based in the United States, predominantly in San Francisco and the Bay Area.

Founder profile patterns: Krieger’s portfolio skews heavily toward technical products built by engineering-focused teams. His co-investment in CodeCrafters alongside Arash Ferdowsi (Dropbox co-founder) suggests a network of operator-angels investing in tools they personally use ¹¹.

Co-investor patterns: Sequoia Capital, Menlo Ventures, and Precursor Ventures appear as co-investors across multiple deals ⁹.

Portfolio

This table includes 17 verified investments. Sources indicate Krieger may have made up to 32 total investments ³; this represents approximately 53% of the estimated total.

Years marked with ~ are approximate based on round timing data; exact investment dates could not be independently confirmed for all entries.

In Their Own Words

On joining Anthropic:

“I’ve long admired Anthropic’s relentless focus on building capable and trustworthy AI systems that empower humans. The potential for AI to positively impact the world is immense.” ²

On AI product development:

“You just have to allow for much more bottoms up creativity, because the best products are the ones that are built very close to the model.” ⁶

On startup paths:

“Not every step needs to make logical sense.” ⁸

“There were definitely things I did where I thought, ‘Am I wasting my time here?’ but later, they connected to the next thing I did.” ⁸

On career relationships:

“The relationships you build in your career will be the relationships you have over and over again.” ³

On AI organizational dynamics:

“It makes all of your other inefficiencies as a product organization extremely painful because now the alignment meeting is not just standing in the way of an hour of engineering work… it’s standing in the way of the equivalent of 4 or 8 hours.” ⁶

What Founders Say

No independently sourced founder testimonials found. CodeCrafters’ seed announcement noted that they “partnered with technologists who deeply understand our audience and mission,” listing Krieger alongside Arash Ferdowsi (Dropbox co-founder), but this is from the company’s own blog rather than an independent founder testimonial ¹¹.

Sources