Alex Krueger

Alex Krueger

Active Investor

Chairman and Managing Partner at First Reserve

Stamford, Connecticut

Alex Krueger, Chairman and Managing Partner at First Reserve is an active investor based in Stamford, Connecticut. This profile covers what Alex Krueger backs, at which stage, and how founders can reach out in 2026.

Investor type
PE
Stages
Series BLate Stage Venture
Invests in
SaaS & EnterpriseClimate & EnergyManufacturing & IndustrialPropTech & Real EstateFoodTech & AgricultureFood & Beverage
Location
Stamford, Connecticut
Typical check
$5M
Past investments
7

Notable investments

Texas American Resources CompanyAFGlobal Corp.Hoover FergusonPlains All American PipelineQuanta ServicesCiDRAAmromco Energy

How to reach Alex Krueger

Angels and operators like Alex Krueger reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.

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Frequently Asked Questions

What does Alex Krueger invest in?

Alex Krueger invests in SaaS & Enterprise, Climate & Energy, Manufacturing & Industrial and PropTech & Real Estate, typically at Series B and Late Stage Venture. Match your sector and stage, then reach out with a personalized pitch.

What stage does Alex Krueger invest at?

Alex Krueger typically invests at Series B and Late Stage Venture. Lead with traction that fits the stage when you reach out.

What is Alex Krueger's typical check size?

Alex Krueger typically writes checks around $5M. Use it as a signal for whether your raise fits their stage.

How do I contact Alex Krueger?

Unlock Alex Krueger's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.

Application closes in --:--:--
Email Alex Krueger