# David Mahoney

> David Mahoney is a Series A investor at NortonLifeLock (San Francisco) backing Art and Video. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [NortonLifeLock](https://shizune.co/investors/profile/symantec)
- Location: San Francisco, United States
- Total investments: 3
- Last investment: Aug 2010
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/david-mahoney-124175

David Mahoney is a Series A investor at NortonLifeLock in San Francisco focused on Art and Video. David Mahoney was appointed to Symantec's board of directors in April 2003. He previously served as co-CEO of McKesson HBOC, Inc. and as CEO of iMcKesson LLC from July 1999 to February 2001. Mahoney joined McKesson in 1990 as vice president for Strategic Planning, and was responsible for planning and corporate development. He had overallresponsibility for McKesson's strategic relations with pharmaceutical and biotechnology companies, was responsible for the establishment of the Pharmaceutical Partners Group at McKesson, and the launch of a new generics program.Prior to joining McKesson, Mahoney was a principal with McKinsey & Company from 1981 to 1990. He serves on the board of directors of Adamas Pharmaceuticals, Corcept Therapeutics, Inc., Schwab Funds/Loudus Funds, SFMOMA, and Mercy Corps.He has a bachelor's degree from Princeton University and a master's of business administration from Harvard University.

## Round sizes

| Stage | Round size |
| --- | --- |
| Series A | $500k–$800k |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Art | 1 | 33% |
| Video | 1 | 33% |
| Retail | 1 | 33% |
| Content | 1 | 33% |
| Fashion | 1 | 33% |

8 industries tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| 20x200 | 20x200 is a NYC-based e-commerce site that transforms design-minded consumers into art collectors. The site features a curated selection of affordable, limited-edition, exhibition-quality prints, which are delivered with artist-signed certificates of authenticity. Working directly with hundreds of artists—emerging, established and legendary—theyrelease new, exclusive editions each week at prices ranging from $24 to $10,000. |  | Series A | Aug 01, 2010 |  |
| 20x200 | 20x200 is a NYC-based e-commerce site that transforms design-minded consumers into art collectors. The site features a curated selection of affordable, limited-edition, exhibition-quality prints, which are delivered with artist-signed certificates of authenticity. Working directly with hundreds of artists—emerging, established and legendary—theyrelease new, exclusive editions each week at prices ranging from $24 to $10,000. | $800K | Series A | Oct 01, 2009 |  |
| Surphace | Surphace (formerly Sphere) provides contextual content tools that make connections between text, video, photos and ads. Surphace helps online publishers create a more engaging reader experience leading to longer time spent on site and increased PVs per visit along with a new incremental revenue stream. Surphace is currently integrated into over150,000 leading sites and is live on over 1.2 Billion monthly article pages across the web. Surphace's core technology is a patent-pending process utilizing Sphereâ€™s proprietary Content Genome.â„¢ The Content Genomeâ„¢ was developed specifically to deliver high-precision, low-cost (automated) related content delivery in dynamic online publishing and news environments. Unlike many other solutions, the Content Genomeâ„¢ does not require a taxonomy or training â€” Surphace can index any text artifacts, or media with associated text, and generate related content out of the box. Integration time on the publishersâ€™ side is minimal, and no additional meta-data is required. Surphace has a broad range of partners including leading A-list publishers, micro-publishers and independent blogs. | $500K | Series A | Apr 01, 2005 |  |

3 of 3 investments shown.

## Co-investors
- [Aol Ventures](https://shizune.co/investors/profile/aol-ventures) — VC Fund, 1 deal together
- [Radar Partners](https://shizune.co/investors/profile/radar-partners) — VC Fund, 1 deal together

## About NortonLifeLock

VC Fund · Tempe, United States

NortonLifeLock Inc. is a global leader in consumer Cyber Safety. NortonLifeLock is dedicated to helping secure the devices, identities, online privacy, and home and family needs of approximately 50 million consumers, providing them with a trusted ally in a complex digital world.

5 contacts available at NortonLifeLock.

| Name | Title | Profile |
| --- | --- | --- |
| Anita Sands | Member of the Board of Directors | https://shizune.co/investors/profile/anita-m-sands |
| David Mahoney | Member of the Board of Directors | https://shizune.co/investors/profile/david-mahoney |
| Debora Tomlin | Chief Marketing Officer & Head of Global Communications | https://shizune.co/investors/profile/debora-tomlin |
| Adi Sharabani | SVP Modern OS Security | https://shizune.co/investors/profile/adi-sharabani |
| Aled Miles | Senior Vice President, Latin America | https://shizune.co/investors/profile/aled-miles |

## Similar investors

### Similar industry
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Galaxy Interactive](https://shizune.co/investors/profile/galaxy-interactive) — VC Fund
- [Animoca Brands](https://shizune.co/investors/profile/animoca-brands-corporation) — VC Fund

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

### Similar country
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund

## Featured in investor lists
- [Art Angel Investors](https://shizune.co/investors/art-angel-investors)
- [Art Angel Investors in United States](https://shizune.co/investors/art-angel-investors-united-states)
- [Art Investors in United States](https://shizune.co/investors/art-investors-united-states)

## FAQ

### What does David Mahoney invest in?

David Mahoney invests primarily in Art, Video and Retail startups, most often at Series A stage. Most of the 3 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 David Mahoney's check size?

David Mahoney typically joins rounds of $500k–$800k 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 David Mahoney participates in.

### When did David Mahoney last invest?

The most recent investment recorded for David Mahoney closed in Aug 2010. Shizune tracks 3 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.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co
