# CTOs at Series A and B Startups

> 74,900+ Chief Technology Officers at Series A and B funded companies — verified contacts, tech stack, and engineering team context

**Source:** https://gtm.ai/marketplace/ctos-at-series-ab-startups

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## Overview

This audience covers 74,900+ CTOs at Series A and B funded companies — the cohort where technical infrastructure decisions are being made for the first time at scale. Series A and B CTOs are actively selecting cloud platforms, developer tooling, and data infrastructure rather than inheriting legacy choices, making this audience high-value for early sales motion and category creation. Engineering team size and tech stack data reduce discovery time and enable more precise, relevant outreach.

## What's Included

- **Contact Profile**: Full name, LinkedIn URL, verified email, and direct phone number
- **Role Context**: Current title, tenure, and founding team status where applicable
- **Funding Data**: Series A or B classification with most recent round size and date
- **Engineering Team**: Estimated engineering headcount and growth trajectory
- **Tech Stack**: Known infrastructure, cloud, and development tooling in use

## Use Cases

### Developer Tooling and Infrastructure Sales
Target CTOs at Series A and B startups before their tooling decisions solidify. This cohort is actively evaluating CI/CD pipelines, observability platforms, and developer experience tooling — and the CTO is typically the direct buyer at this company stage.

### Cloud and DevOps Platform Sales
Reach CTOs making cloud platform commitments as their engineering teams scale. Series B companies are often at the inflection point where infrastructure standardization becomes a priority, creating a receptive audience for cloud management and DevOps tools.

### Engineering Recruiting and Staffing
Source technical leaders at funded startups building out engineering teams. Series A and B CTOs are consistently among the most active hiring managers in the market, and direct contact data accelerates recruiter outreach past the LinkedIn InMail queue.

### Technical Advisory and Consulting Services
Identify CTOs at growth-stage startups who lack the organizational depth to handle architecture reviews, security audits, or vendor evaluations internally. Funding recency signals companies with budget for outside technical expertise.