About Gremlin

We’ve lived and breathed incidents, on-call, and Chaos Engineering for a decade. We’ve served as ‘Call Leaders’ at Amazon and Netflix, responsible for fixing global outages. We’ve built Gremlin to help companies harden and prepare services for internet scale.

Meet our leaders.

Josh and Kolton are the driving force behind the leading solution used  by global organizations to help ensure the reliability of their distributed systems.

Josh Leslie


Josh is the CEO of Gremlin, Inc. He brings more than twenty years of experience in the infrastructure software industry. Previously Josh was CEO of Cumulus Networks, a software company acquired by Nvidia, Inc. Cumulus was recognized with numerous awards during Josh’s tenure, including Glassdoor’s Best Places to Work. Josh previously worked as the VP of Sales at multiple early-stage start-ups scaling from zero customers and revenue to hundreds of customers and more than $50M in revenue. Josh also spent nearly six years at VMware, Inc., holding numerous roles in sales, sales management, and business development, helping scale the company from $100M to over $1 Billion of revenue.

Kolton Andrus

Co-founder & CTO

Kolton is the founder and CTO of Gremlin. Previously he was CEO, building the initial product, team, and company to $10M in ARR. Before founding Gremlin, Kolton was an engineer and leader at both Amazon and Netflix, building their internal Chaos Engineering platforms and guiding the implementation of the practice leading to another 'nine' of uptime for both companies. Early in his career, Kolton worked for several start-ups and holds a BS and MS in Computer Science.

We know all about being paged at 2 am.

Our team has done this at internet scale before. We can help you succeed at any scale.

Backed by a world-class team.

Gremlin is funded by experienced, founder-focused firms with deep focus in infrastructure technologies.

Mike Dauber

Amplify Partners

Amplify Partners is an early-stage venture capital firm that works side by side with first-time founders and serial entrepreneurs to transform their groundbreaking ideas into companies that win. Over thirty-five founding teams in infrastructure and data-driven technology have selected Amplify as their partner on the path to success. With expertise gained from decades of experience, the Amplify team provides critical help with engaging early customers, establishing product-market fit and attracting the right talent to build companies that win.

Mike Volpi

Index Ventures

Index Ventures is a London and San Francisco-based international venture capital firm that helps the most ambitious entrepreneurs turn bold ideas into transformative global businesses. Index supports companies across all stages, from seed to venture to growth.  Index-backed companies that are reshaping the world around us include Adyen, Deliveroo, Dropbox, Farfetch, King, Slack and Supercell.

Tomasz Tunguz

Redpoint Ventures

Redpoint has partnered with visionary founders to create new markets and redefine existing ones since 1999. We invest in startups across seed, early and growth phases and we’re proud to have backed over 500 companies with 155 IPOs and M+As, including 2U, Duo Security, HomeAway, Heroku, Netflix, Twilio and Zendesk. You can find us in Menlo Park, San Francisco, Beijing and Shanghai.

Avoid downtime. Use Gremlin to turn failure into resilience.

Gremlin empowers you to proactively root out failure before it causes downtime. See how you can harness chaos to build resilient systems by requesting a demo of Gremlin.GET STARTED

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