# What does Simon Sinek use? Simon Sinek (simonsinek.com) shows public evidence of 21 tools, according to runsonwhat (last checked 2026-10-20). ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Tailwind CSS](https://www.runsonwhat.com/reverse/tailwind) | Frontend | Website code | | | [Astro](https://www.runsonwhat.com/reverse/astro) | Frontend | Website code | | | [Clerk](https://www.runsonwhat.com/reverse/clerk) | Auth & Identity | Website code | | | [Dust](https://www.runsonwhat.com/reverse/dust) | AI | DNS verification records | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Email records, Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Mailgun](https://www.runsonwhat.com/reverse/mailgun) | Email Delivery | Custom domain, Email records, Website code | | | [Resend](https://www.runsonwhat.com/reverse/resend) | Email Delivery | Email records | | ## Recent changes at Simon Sinek - 2026-10-20: stopped using [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) ## FAQ ### What tools does Simon Sinek use? As of October 2026, runsonwhat has found 21 tools at Simon Sinek (simonsinek.com) in public records. Edge & Hosting: Cloudflare. Application: Tailwind CSS, Astro and Clerk. Data & Observability: Google Analytics, Microsoft Clarity and Sentry. Go-to-market: Google Ads, Meta Pixel and Mailchimp. Company Ops: Microsoft 365, Google Workspace and Mailchimp Transactional. Last checked October 20, 2026. ### What CRM does Simon Sinek use? Simon Sinek uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on simonsinek.com. HubSpot is used by 94,738 companies runsonwhat tracks. ### What email provider does Simon Sinek use? Simon Sinek uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 715,039 companies runsonwhat tracks. ### What analytics tools does Simon Sinek use? Simon Sinek uses Google Analytics for analytics, alongside Microsoft Clarity, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on simonsinek.com. Google Analytics is used by 888,482 companies runsonwhat tracks. ### What marketing software does Simon Sinek use? Simon Sinek uses Mailchimp for marketing, alongside Klaviyo, according to runsonwhat (October 2026). runsonwhat found Mailchimp through email records that authorize Mailchimp and code on simonsinek.com. Mailchimp is used by 116,231 companies runsonwhat tracks. ### What does Simon Sinek use for login and identity? Simon Sinek uses Clerk for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Clerk through Clerk code on simonsinek.com. Clerk is used by 1,325 companies runsonwhat tracks. ### Does Simon Sinek use Cloudflare? Yes. runsonwhat found Cloudflare at Simon Sinek through DNS records that point at Cloudflare and code on simonsinek.com. Cloudflare is a CDN & Edge tool used by 707,848 companies runsonwhat tracks. ### Does Simon Sinek use AI tools? Yes. runsonwhat has found Dust at Simon Sinek; Dust, for example, through a DNS verification record for Dust. AI services called only from servers leave no public trace, so Simon Sinek may use more AI tools than these. ### Has Simon Sinek changed tools recently? Yes. On runsonwhat's rechecks, Simon Sinek stopped using Amazon CloudFront (latest on October 20, 2026). A change counts only between two checks of simonsinek.com done the same way. ### Which companies have a tech stack similar to Simon Sinek's? The companies with the stacks most like Simon Sinek's are Lucis, Newfund, Cncc and Trace For Good, according to runsonwhat (October 2026). Each shares 3 to 7 tools with Simon Sinek, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Simon Sinek uses? runsonwhat reads public records only. Of the 21 tools at Simon Sinek, 9 were found through code on simonsinek.com, 5 through DNS records, 5 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and simonsinek.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/simonsinek.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.