# Brian Long

> Brian Long is a seed investor at Adaptive Security (New York) backing E-Commerce and Software. See 13 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Adaptive Security](https://shizune.co/investors/profile/adaptive-security-83b8)
- Location: New York, United States
- Total investments: 13
- Last investment: Jun 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: http://www.linkedin.com/in/brianclong
- X (Twitter): http://twitter.com/brianclong
- Website: https://x.com/brianclong
- Facebook: http://www.facebook.com/brianclong

Brian Long is a seed investor at Adaptive Security in New York focused on E-Commerce and Software. Brian Long is the CEO and Co-Founder at Adaptive Security. He previously was the CEO of TapCommerce. Before TapCommerce, Brian led mobile products at Pontiflex, a mobile advertising company. At Pontiflex, Brian conceived of the mobile ad product, brought it to market, and scaled it across thousands of mobile apps.Prior to Pontiflex, Brian heldvarious sales management roles at CNET.com (acquired by CBS Interactive), where he worked closely with large advertisers like Dell, Samsung, and AT&T to build performance-based interactive advertising programs. Brian has a BA from the University of Pennsylvania. He is currently on-leave from NYU, with half of an MBA in Finance & Entrepreneurship.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $75k–$7.5M |
| Series A | $13M–$20M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| E-Commerce | 7 | 54% |
| Software | 5 | 38% |
| Apps | 2 | 15% |
| SaaS | 2 | 15% |
| Information Technology | 2 | 15% |

25 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 9 | 69% |
| Series A | 2 | 15% |
| Convertible Note | 1 | 8% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| United States | 11 | 85% |
| United Kingdom | 1 | 8% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Archive | Archive automates e-commerce digital marketing workflows with two products: (1) Archive App (AA) is a digital asset manager built for modern digital marketers. App automates the collection and metadata labeling of all your brand's social content (including ephemeral stories) and automates the workflow to convert and distribute this content asoptimized advertising creative across your favorite retention marketing and media platforms. (2) Archive Communities (AC) automates a brand's influencer seeding program to drive impressions and generate affiliates. | $4M | Seed | Jun 12, 2023 |  |
| Beam Impact | Beam is a social impact tech company that provides an app that allows customers to discover mission-driven brands and make an impact while shopping through its e-commerce integration. Beam connects with partner brands that have vetted nonprofits that reflect their values and allows customers to choose a nonprofit while checking out, where the branddonates a portion of their purchase at no additional cost. Beam's mission is to create a community of conscious consumers, mission-led brands, and high-impact nonprofits in order to make impact more accessible and rewarding. | $13.3M | Series A | Apr 14, 2022 |  |
| Flip CX | The holy grail of customer service is high quality affordable phone support. Previously? Impossible. Now? Easy. | $7.5M | Seed | Feb 11, 2022 |  |
| Swell | Swell is the most powerful headless ecommerce platform for modern brands, startups, and agencies. | $20M | Series A | Jan 13, 2022 |  |
| Cogsy | Cogsy helps DTC brands eliminate manual spreadsheets and guesswork to automatically order the right inventory at optimal levels and grow in the best way possible. | $6M | Seed | Dec 22, 2021 |  |
| Archive | Archive automates e-commerce digital marketing workflows with two products: (1) Archive App (AA) is a digital asset manager built for modern digital marketers. App automates the collection and metadata labeling of all your brand's social content (including ephemeral stories) and automates the workflow to convert and distribute this content asoptimized advertising creative across your favorite retention marketing and media platforms. (2) Archive Communities (AC) automates a brand's influencer seeding program to drive impressions and generate affiliates. | $4.1M | Seed | Nov 03, 2021 |  |
| Treat AI | Treat is a startup that uses artificial intelligence to generate personalized photo products. | $75K | Seed | Oct 04, 2021 |  |
| RentCheck | RentCheck is the essential nationwide provider of transparency and security, enabling landlords and residents alike to achieve serenity. They offer an app that saves money, time and prevents grief by standardizing move-in and move-out inspections and streamlining the security deposit deduction process. RentCheck solutions empower residents toemulate owners in order to maximize the return of their security deposit. | $3.6M | Seed | Aug 09, 2021 |  |
| Correlated | Correlated helps sales teams convert more free trials and expand revenue. | $8.3M | Seed | Aug 04, 2021 |  |
| Alloy Automation | Alloy is a no-code tool for creating automated workflows. It is a YC-backed e-commerce automation platform to help in reclaiming time and focus on growth. It was founded in 2019 and is based in San Francisco, California. | $5M | Seed | Feb 02, 2021 |  |

10 of 13 investments shown.

## Co-investors
- [Color Capital](https://shizune.co/investors/profile/color) — VC Fund, 4 deals together
- [Bain Capital Ventures](https://shizune.co/investors/profile/bain-capital-ventures) — VC Fund, 3 deals together
- [Sugar Capital](https://shizune.co/investors/profile/sugar-capital) — VC Fund, 3 deals together
- [Anti Fund](https://shizune.co/investors/profile/anti-fund) — VC Fund, 2 deals together
- [BoxGroup](https://shizune.co/investors/profile/boxgroup) — VC Fund, 2 deals together
- [Index Ventures](https://shizune.co/investors/profile/index-ventures) — VC Fund, 2 deals together

## About Adaptive Security

VC Fund · New York, United States

Adaptive Security is a computer network security company that focuses on deepfake attacks and provides cybersecurity services.

2 contacts available at Adaptive Security.

| Name | Title | Profile |
| --- | --- | --- |
| Andrew Jones | Co-Founder & Chief Product Officer | https://shizune.co/investors/profile/andrew-jones-2 |
| Brian Long | CEO & Co-Founder | https://shizune.co/investors/profile/brian-long-2 |

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## FAQ

### What does Brian Long invest in?

Brian Long invests primarily in E-Commerce, Software and Apps startups, most often at Seed and Series A stage. Most of the 13 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 Brian Long's check size?

Brian Long typically joins rounds of $75k–$7.5M at Seed and $13M–$20M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Brian Long participates in.

### When did Brian Long last invest?

The most recent investment recorded for Brian Long closed in Jun 2023. Shizune tracks 13 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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