Fountain9 (YC W21)

fountain9.com

information technology & services

fountain9.com

San Francisco, California, United States

1-10 employees

1000000 revenue

LinkedIn Profile

About Fountain9 (YC W21)

artificial intelligence, augmented analytics, machine learning, saas, b2b, demand forecasting, predictive analytics, software development, inventory planning, demand forecasting for perishables, demand forecasting models, demand planning collaboration, demand prediction at sku level, ai demand prediction, customer engagement, demand prediction for new products, ecommerce, d2c/cpg, demand variability management, services

Fountain9 (YC W21)'s Tech Stack

AI/ML

Communication

Discord Vonage

DevOps

Docker

GitLab

E-commerce

Magento

Decision Makers at Fountain9 (YC W21)

1 contact

Rajas Lonkar

Co-founder & CTO

r***@fountain9.com Sign up to view

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57 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

AWS infrastructure signals engineering sophistication. This company likely evaluates cloud cost management, security tooling, observability, and developer productivity solutions.

Fountain9 (YC W21)'s Position in the StackWho Database

• Fountain9 (YC W21) is 1 of 194,140 information technology & services companies tracked in StackWho.
• 193,618 information technology & services companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 97,391 information technology & services companies are in the 1-10 employee range (same size as Fountain9 (YC W21)).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does Fountain9 (YC W21) use?

Fountain9 (YC W21) uses Gmail, Google Apps, Amazon AWS, Google Analytics, DoubleClick, Google Dynamic Remarketing, and 51 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Fountain9 (YC W21)?

StackWho has verified email addresses for 1 decision maker at Fountain9 (YC W21). Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Fountain9 (YC W21) directly for sales, recruiting, or partnerships.

What industry is Fountain9 (YC W21) in?

Fountain9 (YC W21) operates in the information technology & services industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Fountain9 (YC W21)'s contact data?

Yes. StackWho Pro members can export decision maker contact data for Fountain9 (YC W21) and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.