Founding Head of Growth @inth (YC P26) @c15tdev, consent & privacy infrastructure for developers | Previously VC backed Founder | 2x Father

Joined April 2012
90 Photos and videos
I flew 12 hours to SF last week next to a Workday marketing manager. We chatted the entire way and made my flight great. She really didn't have anything good to say about the company apart from it pays her well. Everything else was describing red tape, practically zero agency, and a product she didn't really care for but just knew how to market what the CMO wanted.
I am generally a very optimistic, positive person. I do not like to hate on other products. But Workday is, by a wide margin, the worst piece of software I've ever used in my career. I cannot believe that this is a $34 billion company. I pray the AGI gods fix this hot mess.
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If you need any more evidence that compliance theatre is going to die...Delve dying was the obvs first sign, even YC kicked them out in favor of real compliance infrastructure like Inth. Real compliance has already started to live in the codebase thanks to how we grew @c15tdev We're just getting started, but I have not a single doubt that compliance as code and how we're building it will be the standard proof of compliance everyone will start to move to within the next year. So. Damn. Bullish
Demo Day is in 7 days at @ycombinator. Quick recap since we joined YC: - ran our first Launch Week - rebranded the company to @Inth - c15t crossed 3M npm downloads - hit 912k npm downloads in May - grew 46.4% month over month - served 32.4M hosted consent sessions in May - passed 2,600 public sites detected by Wappalyzer - teams like Zed, Cal, Parabola, Unkey, Infisical, Kernel, and others are using c15t - started converting open-source usage into hosted revenue - opened platform conversations with major AI app builders, frameworks, and commerce platforms - started the first design partner work for what comes after c15t: agents that inspect codebases for privacy and compliance issues - got much clearer on the wedge: c15t earns trust with developers, then we expand from consent into the codebase The bigger thing we learned: Code is moving faster and faster. Teams can barely inspect it for bugs now, let alone keep it up to date with compliance. So we’re building Inth for the place compliance now has to live: inside the codebase. Still feels like the beginning.
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I can't believe how much we've done in so little time. The biggest week of progress for us was last week, we crossed some major milestones that positions us to become the default for privacy compliance for every new piece of software. YC makes special things happen.
Demo Day is in 7 days at @ycombinator. Quick recap since we joined YC: - ran our first Launch Week - rebranded the company to @Inth - c15t crossed 3M npm downloads - hit 912k npm downloads in May - grew 46.4% month over month - served 32.4M hosted consent sessions in May - passed 2,600 public sites detected by Wappalyzer - teams like Zed, Cal, Parabola, Unkey, Infisical, Kernel, and others are using c15t - started converting open-source usage into hosted revenue - opened platform conversations with major AI app builders, frameworks, and commerce platforms - started the first design partner work for what comes after c15t: agents that inspect codebases for privacy and compliance issues - got much clearer on the wedge: c15t earns trust with developers, then we expand from consent into the codebase The bigger thing we learned: Code is moving faster and faster. Teams can barely inspect it for bugs now, let alone keep it up to date with compliance. So we’re building Inth for the place compliance now has to live: inside the codebase. Still feels like the beginning.
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Arriving 15 mins late to the meeting after their PA sent us to the wrong WeWork in Salesforce tower, one said to us “you’re from a third-rate city in England, that’s only known for the size of its cathedral, yet you’re here [in SF]” They gave a check though…I never knew if it was an insult or a weird encouragement But that meeting changed everything that should have stayed right where it was
I was once pitching in a board room at a top 3 VC firm for a $15M Series A. 12 people in the meeting. One of the GPs fully fell asleep. Out cold for 30 minutes. Nobody acknowledged it. Everyone just kept going. I kept presenting my Series A slides to an unconscious man in a Herman Miller chair and somehow that was considered normal. That's venture capital. You might fly across the country to perform for people who may or may not be conscious. It's a dance. And sometimes you lead and sometimes you follow and sometimes your partner is unconscious. If you're raising right now, just know: every founder has a story like this. The process is weird. The power dynamic is weird. You're not crazy for thinking it's weird. No one talks about it because they want to continue raising. But I'm happy to stick my neck out there. It is weird.
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oh no my follower count is broken, someone please fix this
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this SF trip reminded of how small tech and startups are compared to everything else and that the outside world just hasn’t caught up nearly as much as we think it has SF can be a real small world sometimes so it seems everyone in tech is caught up. I’ve bumped into friends I haven’t seen in a few years at random Bluebottles or down the street. I met a guy on the plane whose company booked a call with us last week, small world, right? But then there’s all the normal people in SF who don’t have a clue what’s going on at 11pm in startup offices and why they’re raising loads at the moment and how the way we’re all building and running our startups are basically completely agent driven now, like who wants to write all our code we ship or click dashboards to do our jobs now. The conversations you hear in London’s tech scene are often 6 months behind SF also, not all, but definitely behind generally speaking folks, we’re SOOO EARLY!
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i've spent 9 years working with this guy. long enough to say that you shouldn't bet against Chris and his direction June is going to be a crazy month, and you're going to own it. lets build!
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Will De Ath retweeted
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This just tells me that Linear is in the hands of sane and stable minded people, the type of people I’d want running the software we use everyday…
The fallacy of this is that more creates more. More hours, more hiring, more something. And it is true in a sense. If you put in more work, more work will happen. But I think for most startups, the leverage is really in how differently you approach the problem, how well you cultivate your team, and the strategy. Any large company can outspend you on hours. They have thousands or tens of thousands more people, spending more hours. If hours worked were the metric, every large company and government organization would always win and do the best work. More hours, better output. This thinking is often representative of younger founders, where the startup becomes their identity and life. They have a hard time doing anything else, and cannot understand that your work is not the person that is you. But activities outside of work can grow you as a person too and make you do better work. I’ve never worked this way. As a designer, I always saw the need to take a step back, to take a break. At times, I might work 12 hours or 16 hours, or whatever amount was needed, but it wasn’t the norm. You just can't grind design, you need inspiration. But taking that step away from the work, would give me more perspective, inspiration and I could approach the problem differently or I could just see the solution. Grinding is never good for any creative problem, and startups or creating new products are often mostly about creative problem solving. Grinding works ok for email jobs, or where you just executing on very clear playbook. With Linear, we’ve never worked this way. We work reasonable hours, 5 days a week. All of us founders have families. Many of our employees have families. I personally stop every evening, spend time with the family, cook dinner for the family, eat dinner together, and focus on things outside of work. Sometimes I work in the late evenings or weekends, but to me the pride is that I don’t need to. Company should be succesful without it. My goal is to build a company that is sustainable in the long term, and doesn’t require heroics or personal sacrifices every single day. There are times when our team is heroic. Launches, incidents, some other work that just needs to be done. They will work late into the night because they know it is the right thing. But we don’t require that every day or every week, and the more this happens, the more I think it is a failure of our company and leadership. The team and the leaders should always keep a reserve to use when something is needed. Our thinking was also that quality, which we value, doesn’t emerge from working more or stressing people more. It emerges when you create the conditions for it to emerge. Often it is the appreciation, space, time, and how the person feels. A person who is rested will do better work. I wouldn’t attribute much of our success to working a lot. The success came from having clear thinking, ideas, and focus to do the right things. I sometimes wish we could move the culture more toward a Zen master. Real mastery is not exerting the most effort. It is achieving the outcome with the least necessary effort.
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Will De Ath retweeted
keep seeing posts of people moving from Webflow/Framer to NextJS/React/Vue for their sites because they want performance. ..but actually they're not there yet because there's an old gen cookie banner script feeding on their core web vitals. If you just moved to a modern stack or still have a banner script on your site, @c15tdev will literally save you so much. if not, stay with slower speeds, poor UX, and higher ad spend, but you know where we are if you want real performance happy engineers and agents
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Will De Ath retweeted
Most teams add consent at the very end of a launch. By then, it’s already fighting with performance and UX. With @c15tdev and @Inth we bring consent into code and back it with managed infrastructure, so it ships with your app instead of after it.
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c15t is just about to take top 40 most used cookie banners on @Wappalyzer out of hundreds in just about a year of growth…signal
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The banners are climbing 🧗 More than 2,600 c15t consent banners have been tracked by Wappalyzer. Developers are done with slow, bloated vendor scripts. c15t runs at 89ms, lives in your codebase, and is fast to ship.
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up and to the right they say @c15tdev just about to cross 1m npm downloads for last 30 days, we have 2.7m in total downloads c15t's growth is just the start, it's crazy the thing we're holding back from the public, ya'll ain't ready for this
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Will De Ath retweeted

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Killing it as always @mayvencraft
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i got sent a link today that made me say 'holy shit, that's bad' very loud a certain extremely large company is currently running their site with a broken cookie banner, which is used by 100's of millions. if you click either options (reject / accept), it crashes the site. if you don't click anything a crappy looking banner is stuck on their site and kills the UX that company is @OpenAI - @sama time to get a banner that works for modern stacks with @Inth?
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nah, no thank you
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the future of compliance implementation looks very agent first Gemini 3.5 Flash shipped and used it to install and configure c15t in a few prompts. Styled, compliant, and fast AF.
#GoogleIO just shipped massive wins for developers! 🚀 → Gemini 3.5 Flash: Frontier-level coding & reasoning at blazing Flash speed, built for agents → Antigravity 2.0: The agent-first IDE just got seriously upgraded (multi-agent orchestration, native voice, deep Firebase Android integration) → Google AI Studio: Now with seamless prompt-to-production workflows native Android support No matter what you’re building, privacy & consent compliance isn’t optional. Power it with Gemini 3.5 Flash using Inth Consent and @c15t — clean, fast, developer-first cookie banners. 👉 inth.com
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seeing all the PRs for these got me excited earlier this week. you now have no excuse for loading tools into your site with a crappy script loader from your consent manager, c15t has got you for all the tools you love are we missing anything you use?
May 15
15 new integrations landed in c15t 2.1.0. Mixpanel, Fathom, Segment, Matomo, Plausible, Hotjar, Vercel Analytics, and more. All consent-aware. None of them block your page load. c15t.com/docs/integrations/o…
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