---
title: "Levi Nagy — LeadSonar"
description: "Manages end-to-end client onboarding and infrastructure deployment at LeadSonar. Oversees delivery of 1M+ inboxes and ensures seamless integration for high-volume outbound teams."
canonical: "https://leadsonar.io/authors/levi-nagy"
last-updated: "2026-09-03"
---

> Manages end-to-end client onboarding and infrastructure deployment at LeadSonar. Oversees delivery of 1M+ inboxes and ensures seamless integration for high-volume outbound teams.

LeadSonar [LeadSonar](https://leadsonar.io/)

Levi Nagy

Author

# Levi Nagy

Head of Operations & Client Success

[X / Twitter](https://x.com/coldemaildoctor)

Manages end-to-end client onboarding and infrastructure deployment at LeadSonar. Oversees delivery of 1M+ inboxes and ensures seamless integration for high-volume outbound teams.

## Articles by Levi

### [How to Build an Outbound List From Scratch: A Step-by-Step Workflow](https://leadsonar.io/blog/how-to-build-an-outbound-list-from-scratch/)

[A from-zero workflow to build an outbound list: define the ICP, source, enrich through an 18-20-provider waterfall at ~85% hit rate, grade by ICP fit, and verify deliverability inside one workspace that replaces 5+ point tools.](https://leadsonar.io/blog/how-to-build-an-outbound-list-from-scratch/)

[July 13, 2026](https://leadsonar.io/blog/how-to-build-an-outbound-list-from-scratch/)

### [B2B Lead List Building: Best Practices Backed by Real ICP Data](https://leadsonar.io/blog/lead-list-building-best-practices/)

[The best practices for lead list building start with grade over volume. In a 103,000-contact B2B sample scored by LeadSonar, 40.6% earned an A ICP grade and over 91% qualified at B-or-better. Here is how to build a list that reads that way.](https://leadsonar.io/blog/lead-list-building-best-practices/)

[July 10, 2026](https://leadsonar.io/blog/lead-list-building-best-practices/)