What technologies does Ciro use?

Ciro uses Gmail, Google Apps, Amazon AWS, Amazon SES, Segment.io. View their full technology stack — including all 16 detected tools — on StackWho.

Who is the Co-Founder and CTO of Ciro?

David Winer is the Co-Founder and CTO at Ciro. Get verified contact information on StackWho.

Who is the Head of Engineering of Ciro?

Yoshi Gillaspie is the Head of Engineering at Ciro. Get verified contact information on StackWho.

Where is Ciro located?

Ciro is based in San Francisco, California, United States.

Ciro

ciro.io

information technology & services

ciro.io

San Francisco, California, United States

11-50 employees

400000 revenue

LinkedIn Profile

About Ciro

software development, enrichment rule setup, real-time contact validation, contact data enrichment, information technology and services, high-quality contacts, prospect list automation, sales engagement tools, contact data verification, software publishers, ai-driven prospecting, phone number validation, business intelligence, services, data waterfall, data enrichment, contact data, enrichment tools, lead qualification, crm integration

Ciro's Tech Stack

AI/ML

Decision Makers at Ciro

3 contacts

David Winer

Co-Founder and CTO

d***@ciro.io Sign up to view

Yoshi Gillaspie

Head of Engineering

y***@ciro.io Sign up to view

Ross Geiger

Co-Founder & President

r***@ciro.io Sign up to view

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16 technologies detected · 3 decision makers · Emails available

Sales Outreach Angle

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

Ciro's Position in the StackWho Database

• Ciro 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.
• 74,148 information technology & services companies are in the 11-50 employee range (same size as Ciro).

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

Frequently Asked Questions

What technology does Ciro use?

Ciro uses Gmail, Google Apps, Amazon AWS, Amazon SES, Segment.io, Google Tag Manager, and 10 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Ciro?

StackWho has verified email addresses for 3 decision makers at Ciro. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Ciro directly for sales, recruiting, or partnerships.

What industry is Ciro in?

Ciro 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 Ciro's contact data?

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