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Stage Venture Partners

Los Angeles, California · Invests in US; North America · Website

Pre-SeedSeedB2B SaaSAI & Machine LearningDeveloper ToolsSpace & DefenseRoboticsManufacturingEnterprise SoftwareAerospace & DefenseRobotics & AutomationDeveloper Tools & InfrastructureManufacturing & Industrial

Thesis

We partner with exceptional founders building emerging B2B software technologies solving hard problems in non-obvious sectors. We bring value-investing discipline, operational expertise, and deep LA ecosystem networks to help companies achieve sustainable unit economics and rapid product-market fit.

Likely not a fit for

We do not invest in consumer-facing companies, cryptocurrency/blockchain products, or companies outside North America. We avoid companies with unclear unit economics or represented by traditional venture brokers.

How they invest

Lead or follow
Usually leads
Typical decision
~2 weeks
Warm intro
Preferred
Involvement
Takes a board seat
Fund status
Between funds
Assets under mgmt
$15M
Decision process
Partnership vote

Partners & team

2 contacts on file

AR

Alex Rubalcava

General PartnerFounder and Managing Partner · Primary contact

+ Pitch

a•••@st•••.com

LinkedIn profile

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RW

Ryan Wenger

PartnerPartner

+ Pitch

r•••@st•••.com

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Portfolio

BaltoEnterprise Software

Balto is a real-time call guidance tool designed to assist agents by providing dynamic prompts, compliance checklists, and coaching alerts during customer interactions. It helps agents manage conversations effectively, ensuring they adhere to scripts and handle objections efficiently.

SoundCommerceEnterprise Software

SoundCommerce provides Reactor, a low-code ETL platform that transforms raw data into business-ready data for AI, analytics, and data activation. It simplifies data integration from various sources into cloud data warehouses.

CandidMedia Entertainment

Candid Color Systems is a full-service photo lab that provides innovative photofinishing services and marketing tools to help photography businesses grow and succeed.

Iris.TVMarketing Adtech

IRIS.TV is a data platform that enhances video data connectivity to improve viewer experiences and advertising outcomes, focusing on contextual video recommendations and real-time relevance.

First ResonanceEnterprise Software

First Resonance is a technology company focused on modern manufacturing software, specifically through its ION Factory Operating System, which enhances manufacturing processes with AI-driven solutions for traceability and compliance.

Slingshot AerospaceEnterprise Software

Slingshot Aerospace is focused on making space safe, sustainable, and secure by providing near-real-time insights, explainable AI, and interoperable tools for space operations.

TrackStreetEnterprise Software

TrackStreet offers an AI-powered platform for market intelligence, automated enforcement of resale policies, and eCommerce insights, helping brands regain control over their online presence and revenue.

Gray Matter RoboticsRobotics Automation

Gray Matter Robotics empowers manufacturers with AI-powered robotic solutions designed to enhance productivity and alleviate the physical strain of repetitive tasks. Their technology enables easy deployment of smart robotic cells that improve efficiency and quality in high-mix manufacturing environments.

WhiteFoxSecurity Cyber

WhiteFox Defense Technologies is a global leader in counter-drone solutions, specializing in cutting-edge drone detection, tracking, and mitigation to safeguard critical airspace.

SPIDR Tech
Epsilon3Enterprise Software

Epsilon3 is an AI-powered procedure execution software designed for complex operations in advanced engineering, manufacturing, and testing, particularly within the aerospace and space industries.

AbettHealthcare Digital

Abett’s industry-first Benefits Optimization (BenOps™) platform helps benefits and healthcare leaders drive true change by connecting and activating all parts of your employee health and benefits ecosystem.

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CEAS Investments
Research briefRead more
Stage Venture Partners Research Overview and Status Stage Venture Partners was an active pre-Seed and Seed stage venture capital firm from 2015 to 2025. Founded by Alex Rubalcava, the firm focused exclusively on emerging software technology for business-to-business (B2B) markets. As of January 2026, Stage Venture Partners has merged with Amplify, with Alex Rubalcava joining as a Managing Partner a

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