# Jack Altman

> Jack Altman is a seed investor at Lattice backing Software and Information Technology. See 117 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Lattice](https://shizune.co/investors/profile/lattice-2)
- Location: San Francisco, United States
- Total investments: 117
- Last investment: Jun 2026
- Lead investor: 11%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/jackealtman
- X (Twitter): http://twitter.com/jaltma
- Website: http://jackealtman.com

Jack Altman is a seed investor at Lattice in San Francisco focused on Software and Information Technology. Jack Altman is the founder and CEO of Lattice.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2.3M–$9M |
| Series A | $10M–$30M |
| Series B | $27M–$120M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 38 | 32% |
| Information Technology | 14 | 12% |
| Artificial Intelligence | 12 | 10% |
| SaaS | 10 | 9% |
| Internet | 7 | 6% |

94 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 32 | 27% |
| Series A | 27 | 23% |
| Series B | 16 | 14% |
| Series C | 4 | 3% |
| Pre-Seed | 2 | 2% |

8 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 65 | 56% |
| United Kingdom | 2 | 2% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Default | The command center for modern sales teams. | $9M | Series A | Jun 16, 2026 |  |
| Monaco | Monaco functions as a unified system of record, building total addressable market data, running outbound campaigns, capturing interactions, and managing pipeline activity within a single environment. It includes account databases, intent and signal tracking, sequencing tools, pipeline management, and call recording to support demand generationthrough conversion. Monaco automates account discovery, enrichment, and scoring to keep target markets current. Its onboarding process establishes TAM, configures sequences, overlays signals, and imports existing pipeline data from day one. | $50M | Series B | May 12, 2026 |  |
| Rogo | Rogodevelops an artificial intelligence platform designed specifically for financial institutions such as investment banks, private equity firms, and asset managers. The platform integrates with internal systems and external financial data sources to analyze large volumes of information, including filings, market data, and proprietary datasets, anddeliver structured outputs like financial models, reports, and presentations. It uses AI models and agent-based systems to automate workflows such as research, due diligence, and market analysis, enabling users to complete multi-step financial tasks within a single system. The company’s technology is built with input from professionals with backgrounds in finance and is tailored to reflect the workflows and requirements of high-finance environments. Its tools are used by financial professionals to reduce manual work, support decision-making, and streamline processes across transactions and portfolio management. | $160M | Series D | Apr 29, 2026 |  |
| Pursuit | Pursuit removes friction from public sector contracting. | $22M | Series A | Apr 29, 2026 |  |
| Avoca | Avoca creates a client communication platform that enables business owners to concentrate on their core skills. | $125M | Series B | Apr 27, 2026 |  |
| depthfirst | Depthfirst is an applied AI lab focused on cybersecurity. We've built the General Security Intelligence layer that helps security teams detect, triage, and remediate critical vulnerabilities across their software and infrastructure. | $80M | Series B | Mar 31, 2026 |  |
| Stedi | Stedi is a global network for exchanging B2B transactions in a standard format. It provides companies with a free digital mailbox on the Stedi network, giving any company the ability to quickly connect and transact with its trading partners without having to go through painful point-to-point implementations. | $50M | Series C | Mar 24, 2026 |  |
| Basis | Basis operates as an AI platform built specifically for accounting firms. | $100M | Series B | Feb 24, 2026 |  |
| Drafted | Drafted.ai is an AI-powered platform that creates personalized home floor plans and layouts based on user inputs, including room count, style, and preferences. | $1.7M | Pre-Seed | Dec 23, 2025 |  |
| Double | Keeper makes software to help bookkeepers manage their clients' back-office. | $6.5M | Series A | Dec 11, 2025 |  |

10 of 117 investments shown.

## Co-investors
- [Y Combinator](https://shizune.co/investors/profile/y-combinator) — VC Fund, 21 deals together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 16 deals together
- [Craft Ventures](https://shizune.co/investors/profile/craft-ventures) — VC Fund, 10 deals together
- [GTMfund](https://shizune.co/investors/profile/gtmfund) — VC Fund, 9 deals together
- [Tiger Global Management](https://shizune.co/investors/profile/tiger-global) — VC Fund, 8 deals together
- [Footwork](https://shizune.co/investors/profile/footwork) — VC Fund, 7 deals together

## About Lattice

VC Fund · San Francisco, United States

Lattice is the People Success Platform that brings together all of the tools, workflows, and data needed to help business leaders develop engaged, high-performing employees and winning cultures. By combining continuous performance management, goal-setting, employee engagement, compensation management, career development, and people analytics intoone unified solution, Lattice helps HR, People, and Operations teams develop insights that build enviable cultures and drive impactful business outcomes. Ranked on the Inc. 500 Fastest-Growing Private Companies list two years in a row and certified as a Great Place to Work by 99% of its employees, Lattice serves nearly 5,000 customers worldwide, including Slack, Asana, Solera Health, Guild Education, and the Los Angeles Dodgers. Learn more about Lattice by visiting: www.lattice.com.Ranked on the Inc. 500 Fastest-Growing Private Companies list two years in a row and certified as a Great Place to Work by 99% of its employees, Lattice serves nearly 5,000 customers worldwide, including Slack, Asana, Solera Health, Guild Education, and the Los Angeles Dodgers. Learn more about Lattice by visiting: www.lattice.com.

5 contacts available at Lattice.

| Name | Title | Profile |
| --- | --- | --- |
| Ben Thompson | Designer | https://shizune.co/investors/profile/ben-thompson |
| Gillian Heltai | CCO | https://shizune.co/investors/profile/gillian-heltai |
| Jack Altman | CEO and Co-founder | https://shizune.co/investors/profile/jack-altman |
| Jeffrey Wescott | VP of Engineering | https://shizune.co/investors/profile/jeffrey-wescott |
| Kevin Norman | Senior Account Executive | https://shizune.co/investors/profile/kevin-norman |

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## FAQ

### What does Jack Altman invest in?

Jack Altman invests primarily in Software, Information Technology and Artificial Intelligence startups, most often at Seed and Series A stage. Most of the 117 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 Jack Altman's check size?

Jack Altman typically joins rounds of $2.3M–$9M at Seed, $10M–$30M at Series A and $27M–$120M 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 Jack Altman participates in.

### When did Jack Altman last invest?

The most recent investment recorded for Jack Altman closed in Jun 2026. Shizune tracks 117 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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