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Oliver Buchannon
Cristian Frunze

Ken AI Founder

The Bet: Owning the Entire Cold Email Stack

Mar 4, 2026

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6 min read

The Bet: Owning the Entire Cold Email Stack

We're an 8-person startup trying to build what most companies staff 50 engineers to maintain. Here's why we're doing it anyway.

Cristian Frunze
Cristian Frunze
What 6 Months of Weekly Advisor Calls Taught Me About Building a Company

Feb 19, 2026

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6 min read

What 6 Months of Weekly Advisor Calls Taught Me About Building a Company

I thought I was getting a strategy partner. I got something more useful: someone who kept asking me better questions.

Cristian Frunze
Cristian Frunze
AI Made Me Addicted to Productivity

Feb 19, 2026

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6 min read

AI Made Me Addicted to Productivity

Last week I looked up and realized I hadn't stopped working in 14 hours. Not because I had to. Because AI made it impossible to stop

Cristian Frunze
Cristian Frunze
GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 -  building a GTM system

Feb 10, 2026

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12 min read

GPT 5.3 vs Opus 4.6 vs Gemini 3 Pro vs Kimi K2.5 - building a GTM system

I gave the exact same project to GPT, Claude, Gemini, and Kimi. It went exactly as expected

Cristian Frunze
Cristian Frunze
Why I Stopped Trying to Build a SaaS

Feb 3, 2026

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4 min read

Why I Stopped Trying to Build a SaaS

I was 6 months into planning a pivot. Then I realized the game had changed.

Cristian Frunze
Cristian Frunze
I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

Jan 28, 2026

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4 min read

I Left College and Traveled to 6 Countries in 30 Days. Here's What I Learned.

California. Ukraine. Switzerland. Austria. Czechia. Moldova. I didn't plan any of it.

Cristian Frunze
Cristian Frunze
How I'm thinking about fundraising vs bootstrapping

Jan 23, 2026

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8 min read

How I'm thinking about fundraising vs bootstrapping

Cristian Frunze
Cristian Frunze
What I think drove our growth last year

Jan 8, 2026

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7 min read

What I think drove our growth last year

We grew revenue 10x, scaled from 3 to 16 people then back to 8. I also hit my money goals for the first time. When I look back at what actually moved the needle, it wasn't the stuff I thought it would be.

Cristian Frunze
Cristian Frunze
I turn down half my sales calls. Here's what changed.

Dec 18, 2025

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4 min read

I turn down half my sales calls. Here's what changed.

What I learned from the deals I should have walked away from.

Cristian Frunze
Cristian Frunze
The 4 things that need to be true before any growth channel works

Dec 12, 2025

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6 min read

The 4 things that need to be true before any growth channel works

Ads, content, cold email - none of it works until these are in place

Cristian Frunze
Cristian Frunze
Leading a team when you've never had a boss

Nov 27, 2025

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8 min read

Leading a team when you've never had a boss

I’m 19, never had a manager myself and had to learn how to lead a team from scratch. Here’s what I’ve figured out.

Cristian Frunze
Cristian Frunze
We spend 50% on R&D and take zero profit. Here’s why.

Nov 14, 2025

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8 min read

We spend 50% on R&D and take zero profit. Here’s why.

Our margins would be 50% lower if we used external tools. Here’s how building your own product changes what you should spend on R&D, payroll, and marketing.

Cristian Frunze
Cristian Frunze
How your documentation can do the work of 3 people

Nov 7, 2025

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9 min read

How your documentation can do the work of 3 people

Your documentation is sitting there ready to become working AI agents. Here’s how we fed our help articles and SOPs to AI and cut operational time by 40%.

Cristian Frunze
Cristian Frunze
How Your MVP Can Kill Your Growth

Oct 23, 2025

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10 min read

How Your MVP Can Kill Your Growth

And when to rebuild before it’s too late

Cristian Frunze
Cristian Frunze

The Ken Newsletter

Scaling breaks stuff daily. We document the fixes so you don’t have to figure it out alone.