Reid Hoffman
Partner @ Greylock
San Francisco, United States
Reid Hoffman is a Series A investor at Greylock in San Francisco focused on Software and Social Media. Reid Hoffman is the Co-Founder of Manas AI and a member of the Sanmai Board of Directors. Reid previously worked at Coda as a Board Member. Reid Hoffman attended the University of Oxford, where he earned his M.St. in Philosophy.
- Total investments:
- 166
- Last investment:
- Lead investor:
- 19%
Last updated:
For AI agents: llms.txt
Industries Reid Hoffman invests in
Stages Reid Hoffman invests in
Countries Reid Hoffman invests in
Round sizes
Contacts
| Type | Contact | Validation |
|---|---|---|
| Work email | ||
| Personal email | ||
| Work phone | ||
| Personal phone | ||
| Socials |
Round size
- Seed
- $800k–$26M
- Series A
- $2.4M–$31M
- Series B
- $8.3M–$80M
Investment Focus
Industry
- Software 22 (13%)
- Social Media 15 (9%)
- Internet 14 (8%)
- Artificial Intelligence 14 (8%)
- Financial Services 13 (8%)
Stage
- Series A 52 (31%)
- Series B 32 (19%)
- Seed 29 (17%)
- Angel 12 (7%)
- Funding Round 10 (6%)
Country
- United States 101 (61%)
- United Kingdom 5 (3%)
- Canada 2 (1%)
- Germany 2 (1%)
- Philippines 2 (1%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Respond.io is a business messaging platform that connects customers from any channel to any team. | $62.5M / Series B / Jun 15, 2026 | ||
| Niteshift is a software development company that builds the full-stack cloud platform for coding agents. enabling background coding agents that can simulate and close loops on complex tasks end-to-end. | $7M / Seed / Jun 10, 2026 | ||
| Entrepreneurs First provides programs that identify individuals interested in building technology companies and support them through the early stages of company formation. The organization evaluates applicants as individuals and brings selected participants into cohorts where they explore ideas, connect with potential cofounders, and form startupteams. Participants receive guidance on idea development, product validation, and company creation while preparing to seek venture funding. Entrepreneurs First also provides financial backing and structured programs that include workshops, mentorship, and networking with investors. Through these activities, the organization facilitates the transition from individual participants to newly formed startup companies. | $200M / Series D / Mar 11, 2026 | ||
| Lemon Cash is digital wallet with FIAT and crypto capabilities. End to end digital ecosystem for Latin America. | $20M / Series B / Oct 10, 2025 | ||
| Brain Co. is a San Francisco-based AI company, that partners with large enterprises and governments to build secure, impactful AI platforms and applications for real-world problems. It delivers faster, cost-saving, and reliable AI solutions, including automation and optimization across sectors like healthcare, energy, and government. R | $30M / Series A / Sep 10, 2025 | ||
Sanmai
|
Sanmai is a neurotechnology company developing non-invasive ultrasound neurotherapeutics for mental health and neurological disorders | Jun 23, 2025 | |
|
Sanmai
|
Sanmai is a neurotechnology company developing non-invasive ultrasound neurotherapeutics for mental health and neurological disorders | $12M / Series A / Jun 23, 2025 | |
| Every Media is a collection of business-focused newsletters that publishes analysis and comments from the perspective of practitioners. | $2M / Seed / May 21, 2025 | ||
| Arcade is a B2C platform that transforms the jewelry market through its prompt-to-product solution, allowing users to create unique designs using AI. The marketplace supports various user roles, enabling customers, designers, and influencers to engage and collaborate. | $25M / Series A / Mar 24, 2025 | ||
| Reflection.Ai is a start-up that develops artificial intelligence solutions, with a focus on computer vision. | $105M / Series A / Mar 07, 2025 | ||
| See all 166 investments → | |||
Co-Investors
About Greylock
Greylock Partners invests in entrepreneurs that focus on consumer and enterprise software companies. The firm invests in companies that define new markets, including Airbnb, AppDynamics, Apptio, Arista Networks (NYSE: ANET), Cloudera, Docker, Dropbox, Facebook (Nasdaq: FB), LinkedIn (NYSE: LNKD), Medium, Nextdoor, Palo Alto Networks (NYSE: PANW),Pandora (NYSE: P), Pure Storage, and Workday (NYSE: WDAY).It was founded in 1965 and headquartered in Menlo Park, California.
Greylock Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Bill Kaiser
Partner
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David Wadhwani
Venture Partner
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Howard Cox
Special Limited Partner
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Jason Risch
Investor
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Mike Duboe
General Partner
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FAQ
What does Reid Hoffman invest in?
Reid Hoffman invests primarily in Software, Social Media and Internet startups, most often at Series A and Series B stage. Most of the 166 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What is Reid Hoffman's check size?
Reid Hoffman typically joins rounds of $800k–$26M at Seed, $2.4M–$31M at Series A and $8.3M–$80M at Series B. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Reid Hoffman participates in.
How do I contact Reid Hoffman?
Public channels for Reid Hoffman include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
When did Reid Hoffman last invest?
The most recent investment recorded for Reid Hoffman closed in Jun 2026. Shizune tracks 166 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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