Bill McCullen
Director, Boston; Chief Investment Officer @ LaunchCapital
Boston, United States
Bill McCullen is a seed investor at LaunchCapital in Boston focused on VoIP and Health Care. Bill is an experienced private investor, with over 7 years backing companies in the networking, semiconductor, clean energy and online markets. Bill has been in/around the Boston startup scene for close to 15 years, previously holding senior level roles at companies such as Sycamore Networks. Bill received his BS and MS degrees inElectrical Engineering at Worcester Polytechnic Institute and an MBA from the MIT Sloan School of Management. Bill is a lifelong Bostonian who currently lives in the suburbs with his wife and 3 children. When he has time he enjoys playing basketball and cycling.
- Total investments:
- 3
- Last investment:
- Lead investor:
- 33%
Last updated:
For AI agents: llms.txt
Industries Bill McCullen invests in
Stages Bill McCullen invests in
Countries Bill McCullen invests in
Investment Focus
Industry
- VoIP 1 (33%)
- Health Care 1 (33%)
- Manufacturing 1 (33%)
- Nanotechnology 1 (33%)
- Clinical Trials 1 (33%)
Stage
- Seed 1 (33%)
- Series E 1 (33%)
- Funding Round 1 (33%)
Investments
| Company | Description | Round | Links |
|---|---|---|---|
6K
|
6K develops materials into products that will advance industries in manufacturing, renewable energy, aerospace, and consumer electronics. The company assembled a team of material, process, and production experts. 6K Inc. was founded in 2014 and is headquartered in North Andover, Massachusetts. | $82M / Series E / Sep 05, 2024 | |
Citrus Labs
|
Citruslabs provides an end-to-end solution for Clinical trials. We support hundreds of research organizations, small or large, to conduct clinical research. | $2M / Seed / Mar 29, 2018 | |
Unified Office
|
Unified Office is an information technology company that specializes in business VoIP and unified communications services, and hybrid private cloud services. Its technologies and software platforms enhance SMB workforce productivity. Its unique adaptive Highest Quality Routing (HQR) for end-to-end service quality, and Business Continuity“shadowing” to ensure high availability operation over one or more redundant uplink paths.The company was founded in 2011 and headquartered in New Hampshire, United States. | Aug 18, 2014 |
Co-Investors
About LaunchCapital
LaunchCapital invests in entrepreneurs who build the future. It focuses on the seed and early stages of development. They plan to make significant follow-on investments in exceptional companies as they continue growing.
LaunchCapital Contacts
| Name | Phone | Socials | |
|---|---|---|---|
|
Bill McCullen
Director, Boston; Chief Investment Officer
|
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Cliff Sirlin
Managing Director
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Elon Boms
Founder, Board of Directors
|
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Jason Gray
Vice President of Portfolio Operations
|
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Jason Gray
Vice President of Portfolio Operations
|
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FAQ
What does Bill McCullen invest in?
Bill McCullen invests primarily in VoIP, Health Care and Manufacturing startups, most often at Seed and Series E 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.
When did Bill McCullen last invest?
The most recent investment recorded for Bill McCullen closed in Sep 2024. 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.
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