# Guido Appenzeller, Partner at Voltage Security

> Guido Appenzeller, Partner at Voltage Security. 1 investment on record. The rounds they were named in and the filings that name them, each with its source.

Source: https://millionrounds.com/person/guido-appenzeller (Millionrounds; every figure on the page links to its filing or article)

Menlo Park, US · Partner

# Guido Appenzeller

Partner at Voltage Security

Email

Backs *IT Services*

Latest rounds

- **Tetrate** Round · $12.5M Mar 2019

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Profile summary

- **Rounds named:** 1 last Mar 2019
- **Filings:** 1 with regulators
- **Podcasts:** 5 mentions

What this record rests on

- ✓ **Named in rounds** 1 round name them
- ✓ **On filings** 1 filing with a regulator
- **Linked to a firm** No firm on record
- **Claimed** Not claimed yet

Titles come from filings their firm signed.

[Correct or remove](https://millionrounds.com/corrections?person=guido-appenzeller)[Is this you? Claim it](https://millionrounds.com/claim?person=guido-appenzeller)

## Rounds they were named in

- **Rounds:** 1
- **Led:** 0
- **Disclosed:** $12.5M
- **Active:** 2019

2019

- [Tetrate](https://millionrounds.com/company/tetrate) *Round* **$12.5M** *US* Mar 2019 Joined · +8 investors

By stage

- Round **1**

What they backed

IT Services **1**

Alongside

- [8VC *1*](https://millionrounds.com/fund/8vc)
- [BV Jagadeesh *1*](https://millionrounds.com/fund/bv-jagadeesh)
- [Dell Technologies Capital *1*](https://millionrounds.com/fund/dell-technologies-capital)
- [Intel *1*](https://millionrounds.com/fund/intel)
- [Pankaj Patel *1*](https://millionrounds.com/fund/pankaj-patel)
- [Rain *1*](https://millionrounds.com/fund/rain-2)
- [Samsung NEXT *1*](https://millionrounds.com/fund/samsung-next)
- [Shiva Rajaraman *1*](https://millionrounds.com/fund/shiva-rajaraman)

Rounds where a report named this person rather than a firm, matched on name: read it as a strong hint, not proof, since people share names.

## Companies they are listed as backing

Portfolio

- [Netifi](https://millionrounds.com/startup/netifi-inc)
- [Netsil](https://millionrounds.com/startup/netsil)
- [Tetrate](https://millionrounds.com/company/tetrate)
- opsmxcom

## Where they are named on record

Filings

- SEC Form D · Company raising **Big Switch Networks, Inc.** Executive Officer, Director, Promoter since 2011

Each row is a document a firm filed with a regulator: somebody signed it, and it carries a date.

## Hear them before you pitch them

### Mentioned in

Episodes that name Guido Appenzeller in their description, which is not the same as being on them.

- [The a16z Show](https://millionrounds.com/podcasts/a16z) · 9 Dec 2025 · 38 min The $3 Trillion AI Coding Opportunity Mentions [Guido Appenzeller](https://millionrounds.com/person/guido-appenzeller) About this episode Originally published on the a16z Infra podcast. We're resurfacing it here for our main feed audience. AI coding is already actively changing how software gets built. a16z Infra Partners Yoko Li and Guido Appenzeller break down how "agents with environments" are changing the dev loop; why repos… More on the show's page Listen on Apple PodcastsThe show's page
- [The a16z Show](https://millionrounds.com/podcasts/a16z) · 22 Sept 2025 · 1h 40m Dylan Patel on the AI Chip Race - NVIDIA, Intel & the US Government vs. China Mentions [Guido Appenzeller](https://millionrounds.com/person/guido-appenzeller) About this episode Nvidia’s $5 billion investment in Intel is one of the biggest surprises in semiconductors in years. Two longtime rivals are now teaming up, and the ripple effects could reshape AI, cloud, and the global chip race. To make sense of it all, Erik Torenberg is joined by Dylan Patel, chief analyst at… More on the show's page Listen on Apple PodcastsThe show's page
- [The a16z Show](https://millionrounds.com/podcasts/a16z) · 18 Aug 2025 · 1h 5m Dylan Patel: GPT-5, NVIDIA, Intel, Meta, Apple Mentions [Elon Musk](https://millionrounds.com/fund/elon-musk)[Google](https://millionrounds.com/fund/google-assistant-investments)[Mark Zuckerberg](https://millionrounds.com/fund/mark-zuckerberg)[Erin Price-Wright](https://millionrounds.com/person/erin-price-wright)[Guido Appenzeller](https://millionrounds.com/person/guido-appenzeller) About this episode The AI hardware race is heating up, and NVIDIA is still far ahead. What will it take to close the gap? In this episode, Dylan Patel (Founder & CEO, SemiAnalysis) joins Erin Price-Wright (General Partner, a16z), Guido Appenzeller (Partner, a16z), and host Erik Torenberg to break down the state of… More on the show's page Listen on Apple PodcastsThe show's page
- [The a16z Show](https://millionrounds.com/podcasts/a16z) · 24 May 2025 · 32 min Sovereign AI: Why Nations Are Building Their Own Models Mentions [Sovereign AI](https://millionrounds.com/fund/sovereign-ai)[Anjney Midha](https://millionrounds.com/person/anjney-midha)[Guido Appenzeller](https://millionrounds.com/person/guido-appenzeller)[Saudi Arabia](https://millionrounds.com/person/saudi-arabia) About this episode What happens when AI stops being just infrastructure, and becomes a matter of national identity and global power? In this episode, a16z’s Anjney Midha and Guido Appenzeller explore the rise of sovereign AI, the idea that countries must own their own AI models, data centers, and value systems. From… More on the show's page Listen on Apple PodcastsThe show's page
- [The a16z Show](https://millionrounds.com/podcasts/a16z) · 22 May 2025 · 36 min What Is an AI Agent? Mentions [Guido Appenzeller](https://millionrounds.com/person/guido-appenzeller)[Matt Bornstein](https://millionrounds.com/person/matt-bornstein) About this episode What exactly is an AI agent, and does anyone actually agree? In this episode, taken from of AI + a16z, General Partner Guido Appenzeller and partners Matt Bornstein and Yoko Li break down one of the most hyped- and most hotly debated 0 concepts in AI right now: agents. Are agents just clever… More on the show's page Listen on Apple PodcastsThe show's page

Episodes of [the shows we follow](https://millionrounds.com/podcasts), matched by name. Not them? [Tell us](https://millionrounds.com/corrections?person=guido-appenzeller).

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