Achievements
- Y Combinator S09 alum, started with engineering then crushed sales and ops early on
- At HubSpot, refined sales process and built tools that boosted team efficiency
- At Bedrock Data, took company up-market, increased ACV by 500%+ and generated $7M in new revenue
- Founded multiple startups and advised several, always pushing growth and innovation
- Known for empathetic process rollout and helping startups scale fast
- Experienced in driving revenue growth, process optimization, and market segmentation
We love John Marcus III
Yo, you gotta meet John Marcus III. This guy’s the real deal in the startup world. He’s a YC S09 alum, so he’s been around the block, and man, his process is straight-up inspiring.
So, John’s background is kinda wild. Started with engineering training, but he jumped into sales and ops early on. That combo? Pure fire. He’s not just about tech, he’s about making shit work, scaling businesses, and crushing revenue goals. He’s been at big names like HubSpot and Bedrock Data, and at both spots, he didn’t just do okay, he crushed it. At HubSpot, he was all about refining the sales process, building tools that made teams way more fast. That’s some advanced ops stuff, right? But what really stands out is what he did at Bedrock Data, he took that company up-market, boosted their average contract value by over 500%, and created $7 million in new revenue by jumping into new segments. No bullshit, he’s good at finding ways to grow fast and smart.
And he’s not just a guy who worked at big companies. He’s a founder too. He’s been through the grind, understands what it takes to get something off the ground, and he’s all about empathy when rolling out new processes. That’s kinda rare, most people just throw shit at the wall. John, he’s about making sure the team actually gets it, and that’s a big reason why he’s so good at helping startups scale. He knows how to crank up outbound leads, speed up sales cycles, and get more revenue out of every customer. That’s the hustle.
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Talk to herHe’s been involved with a bunch of startups and VC stuff too. Tidelift, Instantq, RazorFuse, J-3 Customizations, West Marine, he’s either worked with or advised these companies. Basically, he’s got a finger on the pulse of what’s hot in tech and startups, and he’s always looking for the future trend.
What does all this say about him? To me, it’s clear, John isn’t just about making a quick buck. He’s driven by the challenge of building something real, expandable, and effective. He’s seen what works, what doesn’t, and he’s got the scars and wins to prove it. His whole thing is about helping others succeed, pushing boundaries, and never settling for bullshit. That’s why he’s so important in this space, he’s a builder, a scaler, and a connector who’s been through the fire and come out the other side with the skills and mindset to crush it again and again.
Long story short, John Marcus III is one of those guys who’s been there, done that, and keeps pushing forward. He’s the guy you want in your corner if you’re trying to scale a startup or crack the code on growth. No cap.

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