Matthew Assiff
Partner, Co-Founder at Agua Dulce Capital Partners
Houston, Texas
Matthew Assiff, Partner, Co-Founder at Agua Dulce Capital Partners is an active investor based in Houston, Texas. This profile covers what Matthew Assiff backs, at which stage, and how founders can reach out in 2026.
Matthew Assiff is Co-Founder and Managing Partner at Agua Dulce Capital Partners, with over 30 years of experience in the oil and gas industry.
Matthew Assiff invests in Climate & Energy, typically at Early Stage Venture and Late Stage Venture.
- Investor type
- VC
- Stages
- Early Stage VentureLate Stage Venture
- Invests in
- Climate & Energy
- Location
- Houston, Texas
- Typical check
- $3.8M
How to reach Matthew Assiff
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Round Funded. "Matthew Assiff." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/matthew-assiff
Frequently Asked Questions
Who is Matthew Assiff?
Matthew Assiff, Partner, Co-Founder at Agua Dulce Capital Partners is an active investor based in Houston, Texas. Matthew Assiff invests in Climate & Energy, typically at Early Stage Venture and Late Stage Venture.
What does Matthew Assiff invest in?
Matthew Assiff invests in Climate & Energy, typically at Early Stage Venture and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Matthew Assiff invest at?
Matthew Assiff typically invests at Early Stage Venture and Late Stage Venture. Lead with traction that fits the stage when you reach out.
What is Matthew Assiff's typical check size?
Matthew Assiff 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.