Peter Reinhardt (@reinpk) / X

Peter Reinhardt

2,039 posts

Peter Reinhardt

@reinpk

Founder/CEO working on @CharmIndustrial, @RevoyInc, Antipode. MIT aerospace. Mad fanboy of @embrein. Lots to learn.

San Francisco, CA

Joined April 2010

Pinned
Peter Reinhardt
@reinpk
Mar 6, 2025
"Delete the part" is my new mantra. We deliver carbon removal by injecting bbq sauce deep underground, and you'd think we need a pump to do that. At least, we certainly though we needed a pump! The team thought I was a bit bananas for suggesting deleting it, but we tried
75K
Peter Reinhardt
@reinpk
Nov 18, 2022
That time all the crypto scams moved to Miami and people thought Miami was becoming a tech hub 🤣
Peter Reinhardt
@reinpk
Jan 24, 2022
In the early days of Segment, right after we crossed $10m ARR our growth decelerated 8x from 300% yoy to 40% yoy in 6 months. What the hell happened? How did we reaccelerate back to 100% yoy? A thread 1/18
Peter Reinhardt
@reinpk
Jan 13, 2022
The toughest part of growing Segment from $0-200M+ ARR was letting go of product (which I understood) to focus on go-to-market (which I didn't). In 2017 I was really struggling with this. Five friends set me straight, a thread. 1/12
Peter Reinhardt
@reinpk
May 16, 2022
As @Segment grew from 0 to >$200M ARR, I had three health scares. Each scare made me realize that good physical health is *required* to push hard and win as a founder, and you have to own your own healthcare. The medical system simply won’t do it for you. /1
Peter Reinhardt
@reinpk
Jan 18, 2022
As Segment grew from open source afterthought to the leading customer data platform, we "refound" product market fit several times. Surprising to me as a product person, our biggest learnings in PMF were from wildly uncomfortable questions from our sales team 👀 a thread 1/14
Peter Reinhardt
@reinpk
Feb 1, 2022
Every startup founder is “crushing it”, but in 2011 I sure wasn’t. After @ycombinator demo day in August 2011 I got jealous of a friend’s fast traction, forgot to eat for three days, and nearly let it destroy @segment when we were still just a classroom lecture tool. A🧵 1/20
Peter Reinhardt
@reinpk
Jan 7, 2022
After nearly 11 years leading @Segment from its infancy to the world’s leading Customer Data Platform, today is my last day at Twilio Segment. Starting Monday I will be working full-time on @CharmIndustrial, focused on permanent carbon removal via bio-oil sequestration. /1
Peter Reinhardt
@reinpk
May 2, 2019
1/ Today is 8 years since we founded @segment! Like many startups, our first two years were brutal. The last six have been an insane ride. We made so many mistakes along the way, and owe so much to our early customers.
Peter Reinhardt
@reinpk
Jan 24, 2022
Replying to @reinpk
I learned my lesson: a leader’s job is first and foremost to create clarity on the problems to be solved. 17/18
Peter Reinhardt
@reinpk
Nov 15, 2022
In retrospect, I’m glad we spent 140 million tons per year of carbon budget on crypto in return for all the fraud.
Peter Reinhardt
@reinpk
Feb 23, 2022
When @segment was over $50m ARR we realized we were spending a fortune on servers, and it was growing like topsy, faster than revenue. Gross margin was free-falling into the low 50%'s (software benchmark was 80%). It didn't feel like we were in control, which I loathed. A 🧵 1/11
Peter Reinhardt
@reinpk
Nov 22, 2023
Ironmaking for steel is a full 8% of global emissions, and is considered a "hard to abate" emissions source by many. A year ago @calvinfo challenged me to make fossil-free iron in my back yard using bio-oil in just 4 days. I laughed at him: making iron isn't like making software.
259K
Peter Reinhardt
@reinpk
Oct 12, 2020
Together, @twilio and @segment have an incredible opportunity to build the customer engagement platform of the future. I'm so proud of everything the Segment team has built and incredibly excited for what’s yet to come!
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