# David William Baum

> David William Baum is a funding round investor at Stage 1 Ventures backing Mobile and Wireless. See 11 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [Stage 1 Ventures](https://shizune.co/investors/profile/stage-1-ventures)
- Location: Boston, United States
- Total investments: 11
- Last investment: Aug 2022
- Lead investor: 55%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/in/baumdavid

David William Baum is an experienced venture capital general partner with twenty one years in the information technology industry, including twelve years in technology finance and nine years in entrepreneurial operating management roles. As an operating entrepreneur, David founded two companies including Pensoft Corporation, a venture-backed(Mohr, Davidow Ventures, IVP, and Bay Partners) mobile communications company that was sold to AT&T in 1994. David served as VP of Engineering at Pensoft for over four years. David was a key principal that raised, launched, staffed, and managed Prism Venture Partners, a leading early stage venture capital fund. Founded in 1996, Prism has provided start-up equity to more than eighty-five companies, which have completed four public offerings and twenty five strategic mergers and acquisitions. During his tenure at Prism, the firm grew from zero to over $1.25B under management. Previous investments include Network24 Communications (sold to Akamai), DotBank (sold to Yahoo), Altaworks (sold to Opnet), Integral Access (sold to Telco Systems), Syncra Systems (sold to Retek), Softricity (sold to Microsoft), Salesnet (sold to RightNow) and Bitfone (sold to HP).After leaving Prism, David founded CCVentures, a stage-agnostic operational consulting business. At CCVentures, David assisted private companies in business plan development, governance issues, financing strategies, and go-to-market campaigns. Investments and clients include: Carbonite, OnePin, Intouch Systems, mVisible, Nimbit, H2Index, Skyhook Wireless and WorldWinner.In January of 2006, CCVentures merged with Ametron to form Stage 1 Ventures, an early stage venture capital firm. New investments include 800-411-INFO, Mophap, Gaterocket, Cuesol, Magnify Media, and AgileCo.David holds an MBA from the Harvard Business School with second year honors and BS in Computer Science from Drexel University where he graduated first in his science class.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Mobile | 3 | 27% |
| Wireless | 3 | 27% |
| Software | 2 | 18% |
| Laser | 1 | 9% |
| Sensor | 1 | 9% |

26 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Funding Round | 3 | 27% |
| Series A | 2 | 18% |
| Series B | 2 | 18% |
| Series C | 2 | 18% |
| Seed | 1 | 9% |

6 stages tracked in total.

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| WiTricity | WiTricity is the trailblazer in wireless charging for electric vehicles, leading the development and implementation of magnetic resonance technology across passenger and commercial vehicles alike. The company’s technology is backed by an extensive patent portfolio and is the foundation for ratified global EV wireless charging standards includingSAE, ISO, and GB. Automakers and Tier 1 suppliers turn to WiTricity to help accelerate the adoption of EVs by eliminating the hassle of plug-in charging, setting the stage for future autonomy. | $63M | Venture - Series Unknown | Aug 09, 2022 |  |
| Wyebot | Wyebot proactively analyzes WiFi networks, identifying and solving problems before they cause damaging downtime. | $8M |  | May 05, 2022 |  |
| Talkmap | Talkmap interfaces with bot platforms to simplify intent identification and bot training using utterances from your company’s conversation data. | $8M | Series A | Feb 01, 2022 |  |
| WiTricity | WiTricity is the trailblazer in wireless charging for electric vehicles, leading the development and implementation of magnetic resonance technology across passenger and commercial vehicles alike. The company’s technology is backed by an extensive patent portfolio and is the foundation for ratified global EV wireless charging standards includingSAE, ISO, and GB. Automakers and Tier 1 suppliers turn to WiTricity to help accelerate the adoption of EVs by eliminating the hassle of plug-in charging, setting the stage for future autonomy. | $34M |  | Oct 29, 2020 |  |
| TriLumina Corp. | TriLumina delivers industry-leading VCSEL illumination solutions for 3D sensing and LiDAR in automotive, industrial and mobile markets. These patented innovations in VCSEL technology for 3D-sensing and LiDAR enable fast development of tomorrow’s technologies. As the preferred industry platform, TriLumina illumination solutions democratize andadvance a range of applications—from AR/VR, 3D-cameras to self-driving cars and beyond. | $9M |  | May 17, 2017 |  |
| TriLumina Corp. | TriLumina delivers industry-leading VCSEL illumination solutions for 3D sensing and LiDAR in automotive, industrial and mobile markets. These patented innovations in VCSEL technology for 3D-sensing and LiDAR enable fast development of tomorrow’s technologies. As the preferred industry platform, TriLumina illumination solutions democratize andadvance a range of applications—from AR/VR, 3D-cameras to self-driving cars and beyond. |  | Series B | Feb 03, 2015 |  |
| Ditto Labs | Ditto Labs was first-to-market with a dashboard tool to help top brand marketers derive insights, prospect audiences, and measure campaigns from what appears in social media photos. Ditto’s patented machine learning and computer vision capability is integrate with a majority of enterprise social listening platforms. Now brands can holisticallyanalyze campaign performance and consumer sentiment by incorporating text with visual signals of affinity.Ditto's "vision-as-a-service” products also help travel and hospitality sites improve click through rates by surfacing the most persuasive user-generated photos. Ditto's APIs also enable housing and car sites to better organize, screen and rate user photos to improve site performance.Independently verified, Ditto’s computer vision has higher accuracy and a broader catalog of relevant classifiers than competitors. Ditto is the only company enabling clients to train bespoke classifiers to recognize what is most important to their business needs. | $2.2M | Seed | May 14, 2014 |  |
| TriLumina Corp. | TriLumina delivers industry-leading VCSEL illumination solutions for 3D sensing and LiDAR in automotive, industrial and mobile markets. These patented innovations in VCSEL technology for 3D-sensing and LiDAR enable fast development of tomorrow’s technologies. As the preferred industry platform, TriLumina illumination solutions democratize andadvance a range of applications—from AR/VR, 3D-cameras to self-driving cars and beyond. |  | Series A | Feb 22, 2014 |  |
| Paydiant | Paydiant provides a white label mobile wallet platform that includes mobile payments, loyalty, offers, ATM cash access and related commerce services. The patented cloud-based platform enables merchants and banks to deploy their own secure mobile wallet solutions under their own brands, in their own apps. |  | Series C | Sep 09, 2013 |  |
| Paydiant | Paydiant provides a white label mobile wallet platform that includes mobile payments, loyalty, offers, ATM cash access and related commerce services. The patented cloud-based platform enables merchants and banks to deploy their own secure mobile wallet solutions under their own brands, in their own apps. |  | Series B | Jul 09, 2012 |  |

10 of 11 investments shown.

## Co-investors
- [Cottonwood Technology Fund](https://shizune.co/investors/profile/cottonwood-technology-fund) — VC Fund, 3 deals together
- [Sun Mountain Capital](https://shizune.co/investors/profile/sun-mountain-capital) — VC Fund, 3 deals together
- [North Bridge Venture Partners & Growth Equity](https://shizune.co/investors/profile/north-bridge-venture-partners) — VC Fund, 2 deals together
- [Air Waves Wireless Electricity](https://shizune.co/investors/profile/air-waves-wireless-electricity) — VC Fund, 1 deal together
- [Capital One Ventures](https://shizune.co/investors/profile/capital-one-growth-ventures) — VC Fund, 1 deal together
- [Cue Ball](https://shizune.co/investors/profile/cue-ball) — VC Fund, 1 deal together

## About Stage 1 Ventures

VC Fund · Waltham, United States

Stage 1 Ventures is an early stage venture capital firm that is seeking to build partnerships with great entrepreneurs that are flexible and who want to build meaningful companies. They want to assist you with their global network of relationships as well as provide the capital you need to fuel the growth of your company.Their market focus todayis in Mobile, the Executable Internet or Software as a Service (SaaS) , IPTV and Internet Video, Pay-For-Performance Marketing and Advertising, and Security.

5 contacts available at Stage 1 Ventures.

| Name | Title | Profile |
| --- | --- | --- |
| Bill O’Connell | Operating Partner | https://shizune.co/investors/profile/bill-oconnell-2 |
| David H Buckley | Operating Partner | https://shizune.co/investors/profile/david-h-buckley |
| David William Baum | Founder, Partner & Managing Director | https://shizune.co/investors/profile/david-william-baum |
| Joesph Pianelli | Operating Partner | https://shizune.co/investors/profile/joesph-pianelli |
| Stephen Lyle | Operating Partner | https://shizune.co/investors/profile/stephen-lyle |

## Similar investors

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- [HTGF (High-Tech Gruenderfonds)](https://shizune.co/investors/profile/high-tech-gr%C3%BCnderfonds) — VC Fund

## FAQ

### What does David William Baum invest in?

David William Baum invests primarily in Mobile, Wireless and Software startups, most often at Funding Round and Series A stage. Most of the 11 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did David William Baum last invest?

The most recent investment recorded for David William Baum closed in Aug 2022. Shizune tracks 11 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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