What technologies does Zenefits use?

Zenefits uses Microsoft Office 365, Salesforce, UltraDns, Sendgrid, Outlook. View their full technology stack — including all 23 detected tools — on StackWho.

Who is the Engineering Manager of Zenefits?

Karthik Sampath is the Engineering Manager at Zenefits. Get verified contact information on StackWho.

Where is Zenefits located?

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

Zenefits

Q: Who is the VP of Engineering - Head of Growth/Core Platform/HCM of Zenefits?

Madan Thangavel is the VP of Engineering - Head of Growth/Core Platform/HCM at Zenefits. Get verified contact information on StackWho.

Q: What industry is Zenefits in?

Zenefits operates in the human resources industry.

zenefits.com

human resources

zenefits.com

San Francisco, California, United States

201-500 employees

LinkedIn Profile

About Zenefits

health insurance, workforce management, human resources, payroll, compliance, hris, hr software, enterprise software, health & insurance, software, information technology, human resources services, hr document storage solutions, hr payroll processing, hr document management system, hr platform security features, hr reporting, hr mobile app for hr, hr compliance support tools, hr solutions for smbs

Zenefits's Tech Stack

AI/ML

Decision Makers at Zenefits

4 contacts

Karthik Sampath

Engineering Manager

k***@zenefits.com Sign up to view

Madan Thangavel

VP of Engineering - Head of Growth/Core Platform/HCM

m***@zenefits.com Sign up to view

Graham Coombe

Engineering Manager

g***@zenefits.com Sign up to view

Alice Wong

Engineering Manager

a***@zenefits.com Sign up to view

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23 technologies detected · 4 decision makers · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

Zenefits's Position in the StackWho Database

• Zenefits is 1 of 6,565 human resources companies tracked in StackWho.
• 6,560 human resources companies in our database have verified decision-maker emails (100% of the cohort).
• 53,147 companies in California are in the StackWho database.
• 82 human resources companies are in the 201-500 employee range (same size as Zenefits).

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 Zenefits use?

Zenefits uses Microsoft Office 365, Salesforce, UltraDns, Sendgrid, Outlook, Amazon AWS, and 17 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at Zenefits?

StackWho has verified email addresses for 4 decision makers at Zenefits. Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach Zenefits directly for sales, recruiting, or partnerships.

What industry is Zenefits in?

Zenefits operates in the human resources industry, headquartered in San Francisco, California, United States. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export Zenefits's contact data?

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