# Louis-David Mangin

> Louis-David (LD) Mangin is the London-based co-founder and CEO of Confiant, the ad security company he started with Jérôme Dangu in 2013. A former media-network and business-development executive, he focuses on giving publishers and advertising platforms control over malicious and disruptive ads.

- **Role:** Co-founder and CEO at Confiant Inc
- **Organizations:** Confiant Inc, Outcast Media, SeeSaw Networks
- **Education:** BA, Computer Science and Economics, Boston College
- **Known for:** Co-founded Confiant and led the company through the launch of real-time ad verification., Led Confiant during its announced $4.1 million Series A in 2019.

## Career timeline

- **Before 2013** — Worked as director of network development at SeeSaw Networks and subsequently GM of the Fitness Network and VP of business development at Outcast Media.
- **2013** — Co-founded Confiant with Jérôme Dangu; CEO role began in September.
- **2017** — Confiant launched its real-time verification system in May.
- **2019** — Confiant announced a $4.1 million Series A in May.
- **2021** — Discussed scaling and company building on Fireside with a VC in September.
- **2026** — Published an August essay on complexity, visibility and advertising risk.

## Achievements

- Co-founded Confiant and led the company through the launch of real-time ad verification.
- Led Confiant during its announced $4.1 million Series A in 2019.

## Latest updates

- **2026-08** — Published When Complexity Creates Suspicion on August 18, arguing for greater visibility and management of advertising risk.
- **2026-08** — Commented on the crowded AI vendor landscape at Black Hat 2026 in InformationWeek.

## Links

- Website: https://www.confiant.com/
- LinkedIn: https://www.linkedin.com/in/louisdavidmangin/
- Twitter/X: https://twitter.com/ldmangin

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Profile page: https://yespress.io/louis-david-mangin
Published by YesPress — https://yespress.io
Last updated: 2026-10-24