James Wiegmann
Operating Partner at ONE ROCK CAPITAL PARTNERS, LLC
Ukiah, California
James Wiegmann, Operating Partner at ONE ROCK CAPITAL PARTNERS, LLC is an active investor based in Ukiah, California. This profile covers what James Wiegmann backs, at which stage, and how founders can reach out in 2026.
James Wiegmann is an Operating Partner at ONE ROCK CAPITAL PARTNERS, LLC, with experience in the turnaround and transformation of CPG and food companies.
James Wiegmann invests in Consumer Goods (CPG) and Food & Beverage, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- PE
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Consumer Goods (CPG)Food & Beverage
- Location
- Ukiah, California
- Typical check
- $3.8M
How to reach James Wiegmann
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Round Funded. "James Wiegmann." Round Funded investor database, updated November 3, 2026.
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Frequently Asked Questions
Who is James Wiegmann?
James Wiegmann, Operating Partner at ONE ROCK CAPITAL PARTNERS, LLC is an active investor based in Ukiah, California. James Wiegmann invests in Consumer Goods (CPG) and Food & Beverage, typically at Early Stage Venture and Late Stage Venture.
What does James Wiegmann invest in?
James Wiegmann invests in Consumer Goods (CPG) and Food & Beverage, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does James Wiegmann invest at?
James Wiegmann typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is James Wiegmann's typical check size?
James Wiegmann typically writes checks around $3.8M. 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.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.