# TDF Ventures

> TDF Ventures is a VC fund in Chevy Chase backing Software and SaaS. See 118 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Chevy Chase, United States
- Total investments: 118
- Last investment: May 2026
- Lead investor: 25%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/company/tdf-ventures
- Website: http://www.tdfventures.com

TDF Ventures is an early stage venture capital firm with offices in Washington DC and Silicon Valley. We focus on startups that serve enterprise markets within infrastructure, software, and services (IaaS, SaaS, XaaS). We invest from a $200M permanent pool of capital and are currently investing out of Fund V.

## Contacts

5 contacts available for TDF Ventures. Shizune tracks 8 team members at TDF Ventures. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/tdf-ventures?utm_source=investor_profile

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $2M–$8.2M |
| Series A | $4M–$15M |
| Series B | $4.4M–$31M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Software | 31 | 26% |
| SaaS | 20 | 17% |
| Information Technology | 18 | 15% |
| Enterprise Software | 11 | 9% |
| Internet | 10 | 8% |

129 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Series A | 33 | 28% |
| Series B | 19 | 16% |
| Seed | 18 | 15% |
| Series C | 15 | 13% |
| Funding Round | 9 | 8% |

11 stages tracked in total.

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 66 | 56% |
| France | 1 | 1% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Jim Pastoriza | General Partner | 17 | https://shizune.co/investors/profile/jim-pastoriza |
| Matthew Bressler | Principal | 2 | https://shizune.co/investors/profile/matthew-bressler |
| Steven M. Mankoff | General Partner | 6 | https://shizune.co/investors/profile/steve-mankoff |
| Mark Floyd | Partner | 0 | https://shizune.co/investors/profile/mark-floyd |
| Randy Brouckman | Partner | 0 | https://shizune.co/investors/profile/randall-brouckman |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Ember LifeSciences | Ember LifeSciences is a healthcare technology company that develops cold chain solutions to support the safe transport of temperature-sensitive medicines, vaccines, and biologics using proprietary temperature control systems. The company’s core offering includes the Ember Cube. This self-refrigerated and cloud-connected shipping container providescontinuous temperature monitoring, GPS tracking, and real-time data reporting to maintain drug efficacy during transit. Ember LifeSciences leverages its engineering expertise in thermal management and digital monitoring to develop modular shipping solutions that can replace traditional single-use cold chain packaging, thereby reducing waste. It works with pharmaceutical distributors, specialty pharmacies, and laboratories by enabling visibility and control over critical environmental conditions throughout distribution. The company continues to develop next-generation versions of its devices, incorporating improved insulation and configurable features to support broader supply chain use cases. |  | Series A | May 27, 2026 |  |
| hotglue | Hotglue enables developers to offer native, user-facing SaaS integrations to customers in minutes without sacrificing control over the data.By embedding Hotglue into web apps, customers can connect their 3rd party SaaS apps without leaving their application, and can confidently ingest any data needed scalably. Plus, Hotglue's open-sourcelibrary of connectors enables developers to offer more integrations to users without using development resources. | $4M | Seed | Oct 11, 2024 |  |
| BlackCloak | BlackCloak's Concierge Cybersecurity & Privacy Platform protects C-Suite Executives and High-Net-Worth Individuals from hacking, privacy, financial, and reputational risks. BlackCloak protects its clients in their personal lives, as opposed to corporate devices, monitoring the executive/high-profile person and their family. Oursolution protects (1) their privacy, (2) their devices, (3) their home, and (4) their peace of mind with bespoke solutions for this specific audience. | $17M | Series B | Sep 17, 2024 |  |
| Rewst | Rewst is a company currently operating in stealth mode. | $31M | Series B | Dec 22, 2023 |  |
| Arpio | Arpio protects and eliminates downtime for AWS applications by making it easy to recover from any outage in just a few minutes. Founded by Doug Neumann and Shaw Terwilliger in 2018 and is based in Durham, North Carolina, United States. |  |  | Aug 14, 2023 |  |
| Arpio | Arpio protects and eliminates downtime for AWS applications by making it easy to recover from any outage in just a few minutes. Founded by Doug Neumann and Shaw Terwilliger in 2018 and is based in Durham, North Carolina, United States. | $8.2M | Seed | Aug 14, 2023 |  |
| Osano | Osano is an easy-to-use data privacy platform that helps businesses to become compliant with laws such as GDPR and CCPA. | $25M | Series B | Aug 10, 2023 |  |
| Aervivo | Aervivo’s mission is to democratize the ISP industry, enabling fiber-grade connectivity at a fraction of the cost. It partners with multi-family community owners and new entrants, empowering them to quickly launch new connectivity services to the residents they server. Our industry-leading hybrid fiber and wireless mesh technology, cloud-basedservice platform and SaaS business model allows our partners to quickly deliver affordable, high-speed connectivity with an industry-leading customer experience. | $3M | Seed | Oct 31, 2022 |  |
| Rewst | Rewst is a company currently operating in stealth mode. | $4M |  | Aug 23, 2022 |  |
| Rewst | Rewst is a company currently operating in stealth mode. | $4M | Seed | Aug 23, 2022 |  |

10 of 118 investments shown.

## Co-investors
- [Noro-Moseley Partners](https://shizune.co/investors/profile/noro-moseley-partners) — VC Fund, 8 deals together
- [InterWest Partners](https://shizune.co/investors/profile/interwest-partners) — VC Fund, 7 deals together
- [Cleveland Avenue](https://shizune.co/investors/profile/cleveland-avenue) — VC Fund, 6 deals together
- [Grotech Ventures](https://shizune.co/investors/profile/grotech-ventures) — VC Fund, 6 deals together
- [Next Coast Ventures](https://shizune.co/investors/profile/next-coast-ventures-2) — VC Fund, 6 deals together
- [Blu Venture Investors](https://shizune.co/investors/profile/blu-venture-investors) — VC Fund, 5 deals together

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## FAQ

### What does TDF Ventures invest in?

TDF Ventures invests primarily in Software, SaaS and Information Technology startups, most often at Series A and Series B stage. Most of the 118 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 TDF Ventures's check size?

TDF Ventures typically joins rounds of $2M–$8.2M at Seed, $4M–$15M at Series A and $4.4M–$31M 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 TDF Ventures participates in.

### How do I contact TDF Ventures?

Public channels for TDF Ventures include LinkedIn 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.

### Who are the partners at TDF Ventures?

The team at TDF Ventures includes Jim Pastoriza (General Partner), Matthew Bressler (Principal) and Steven M. Mankoff (General Partner), among 8 team members tracked by Shizune. The Team section lists each member with their title, investment count and links.

### 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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