About Callback
technology, information & internet, retrieval-augmented generation, role-based access control, operational efficiency, process mining, ai process automation, consulting, information technology and services, services, business intelligence, modelcontext protocol, system observability, artificial intelligence, ai systems of record, enterprise ai, compliance, forward-deployed engineering, business services, agentic ai
Callback's Tech Stack
Sales Outreach Angle
Callback is a technology company. Software vendors, dev tools, and SaaS platforms find technology companies like this highly receptive. Use StackWho to identify the right decision-maker (CTO, VP Eng, or Head of Product) and reach out with a stack-specific pitch.
Callback's Position in the StackWho Database
- • Callback 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 Callback).
Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated September 2026.
Frequently Asked Questions
What technology does Callback use?
Callback uses Cloudflare DNS, Gmail, Google Apps, Microsoft Office 365, Mobile Friendly. This data is sourced from StackWho's technology detection engine.
How do I contact the decision makers at Callback?
StackWho has verified email addresses for 2 decision makers at Callback. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Callback directly for sales, recruiting, or partnerships.
What industry is Callback in?
Callback 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 Callback's contact data?
Yes. StackWho Pro members can export decision maker contact data for Callback and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.
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Decision Makers
Alan Xie
Co-Founder & CEO
Paulo Bautista
Co-Founder