Jim Long
Angel investor in Menlo Park
Menlo Park, California
Jim Long, Angel investor in Menlo Park is an active investor based in Menlo Park, California. This profile covers what Jim Long backs, at which stage, and how founders can reach out in 2026.
Mr. Jim Long serves as Board of Advisors at Airex (Commercial Products). Mr. Long is an Angel Investor and previously served as Partner at Gabriel Venture Partners, joining the firm as a Venture Partner in 2007 to drive new investments and advise portfolio companies. He has more than twenty five years of experience as a founder, chief executive officer, and investor in the technology industry, developing technologies and patents for Internet and personal computer environments and advising startups and venture capital firms. He was co founder or chief executive officer of Veritas, Ruckus Wireless, Starlight Networks, Linkware, and RioPort, and he has served as an adviser or part time executive to companies including Chegg, TiMetra, Applied Microcircuits, and Jibe Networks, as well as being involved with Aurora Algae, CrowdSpot, Turbine BioFuels, Pops Worldwide, PlantSense, and AeroSpike. His earlier experience includes roles at Adler Ventures, Hewlett Packard, and Boston Consulting Group, and after joining Fred Adler Ventures in 1982 he served as acting chief executive officer in several turnarounds and worked with venture capitalists Jim Swartz and Arthur Patterson before they founded Accel Partners, later completing projects with Accel Partners, Crosspoint Venture Partners, IT Farm in Japan, and Sequoia Capital. His venture experience includes interim chief executive officer roles and turnaround work at companies such as Linkware, and as an angel adviser and investor he has been involved with startups including TiMetra, Manageware, Ruckus Wireless, Ready Systems, and Jibe Networks. He also serves as Chief Executive Officer at Didja and has served as a Board Member at PlantSense and as a Board Member at POPS Worldwide. He holds a Bachelor of Science in Electrical Engineering and Computer Science from the University of California Berkeley and a Master of Business Administration from Harvard University.
- Investor type
- Angel
- Stages
- Late Stage Venture
- Invests in
- Consumer & RetailMedia & ContentHardware & Deep TechSaaS & Enterprise
- Location
- Menlo Park, California
- Typical check
- $7M
- Past investments
- 2
Notable investments
POPS Worldwide
SavvyCardHow to reach Jim Long
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Round Funded. "Jim Long." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/jim-long
Frequently Asked Questions
What does Jim Long invest in?
Jim Long invests in Consumer & Retail, Media & Content, Hardware & Deep Tech and SaaS & Enterprise, typically at Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Jim Long invest at?
Jim Long typically invests at Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Jim Long's typical check size?
Jim Long typically writes checks around $7M. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
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