Josh Leslie — Email, Phone & Partners

Overview

An experienced CEO and angel investor specializing in enterprise software and technology sectors. Josh Leslie currently serves as the Chief Executive Officer of Gremlin, a company focused on application reliability. Prior to this, he was the CEO and board member of Cumulus Networks, a software company acquired by Nvidia in July 2020. Under his leadership, Cumulus Networks experienced significant growth, increasing revenue by over 2,000% and acquiring more than 2,000 customers, including 30% of the Fortune 1000. Before his tenure at Cumulus Networks, Leslie held various leadership roles, including Vice President of Worldwide Field Operations at Instart Logic Inc., which was acquired by Akamai, and Senior Director of Sales & Alliances at VMware, where he contributed to scaling the company from $100 million to over $1 billion in revenue. In addition to his corporate roles, Leslie is an active angel investor, focusing on early-stage investments in enterprise software and technology companies. His investment portfolio includes companies such as Airgap Networks, a cybersecurity firm specializing in zero trust isolation platforms. Leslie holds a Bachelor of Arts in Cognitive Science from the University of California, Berkeley, and an MBA from Columbia Business School. He is also a lecturer in management at the Stanford Graduate School of Business, where he shares his expertise in leading sales organizations and business development strategies. His extensive experience in scaling technology companies and his active involvement in the startup ecosystem make him a prominent figure in the enterprise software and technology investment landscape.

Investment Focus

Innovative technology solutions
Scalable business models
Strong management teams
Clear market differentiation
Potential for significant growth

Portfolio Companies

Airgap Networks

Get the full list of 54,000+ investors

Josh Leslie and every other firm and angel in the database — as one spreadsheet you keep.

$19one-time payment · no subscription

All 54,000+ investors — VC firms, private equity, family offices and angels
The key person to contact at each one, with their job title
Their work email address
Their phone number
Their LinkedIn profile
Delivered as a single .xlsx file — download it as many times as you like

Get the full list — $19 → One payment. No seats, no credits, no expiry. Already bought it? Sign in to download it again — no second payment.

Every profile on this site is one row of the file, with the contact details masked — browse a few before you buy.

Frequently asked questions about Josh Leslie

What sectors does Josh Leslie invest in?

Josh Leslie invests in Technology, Artificial Intelligence, Cybersecurity, Machine Learning, Cloud Computing and Enterprise Software, and is based in California, United States. Josh Leslie is listed as a angel investor in the ConnectSafely investor database.