Your growth expert for modern sales & marketing

The way B2B companies operate has completely changed. So should you go-to-market engine to acquire new customers.

Book a call

My services

Trusted by leading companies in EU and USA

Trusted by leading companies in Europe and USA. References upon request.

Finalist of the Anthropic GTM hackathon 2026

Finalist of the Anthropic GTM hackathon 2026

ABOUT ME

I build growth systems that make ambitious teams move faster.

I’m Serge Yang, Go-to-market engineer with eight years of experience across M&A, fintech sales, and growth. I help founders and high-growth teams turn sharper positioning, AI-native systems, and focused execution into momentum.

I’m Serge Yang, a go-to-market engineer with 8 years across M&A, fintech sales, and growth. I help on positioning and how to best use AI for sales & marketing.

I’m Serge Yang, a go-to-market engineer with 8 years of experience across M&A, fintech sales, and growth. I help on positioning and how to best use AI for sales & marketing.

I’m Serge Yang, a go-to-market engineer with 8 years of experience across M&A, fintech, sales, and growth. I help on positioning and how to best use AI for sales & marketing.

25+ successful collaborations | $1.2 million revenue generated

Marketing has completely changed.

Yet, 95% of people treat AI like a chatbot.

I'll be happy to show you

how I work with Claude agents

Yet, 95% of people treat AI like a chatbot.

My #1 priority:
Make Claude code systems work for you.

AI native systems

Tailored marketing workflows

Weekly KPI tracking

AI native systems
Tailored marketing workflows
Weekly KPI tracking

AI native systems

Claude code systems for marketing

Building highly capable agents

Build highly capable AI agents

Fully customized agents.
Covers research, strategy, ops and marketing.

Fully customized AI agent teams.
Covers research, ops & marketing.

Fully customized agent teams.
Covers strategy, ops and marketing to
automate 70% of repetitive tasks.

Fully customized agent teams.
Covers strategy, ops and marketing to automate 70% of repetitive tasks.

Tailored marketing workflows

AI-native sequences

AI-first sequences

We develop systems for your company to
target, with the right message.

Authority content
Signal based marketing
AI funnels

With AI native systems

Traditional marketing

The output: 12+ qualified leads per month.

Hey John, I just read your last post about (signal). This is exactly what we do at (company) with (results).

December 4th at 3 PM

LinkedIn, with AI

The output: 12+ qualified leads per month

The output: 12+ qualified leads per month.

With a content strategy
With ultra personalized campaigns
With a system that converts.

We find the right prospects
for your business.
We will configure AI workflows so
it sends personalized messages.

Hey John, I just read your last post about (signal). This is exactly what we do at (company) with (results).

December 4th at 3 PM

LinkedIn, with AI

Note on data

You get the systems
and the data. If I
step away one day,
everything will still run.

You get the systems
and the data. If I
step away one day,
everything will
still run.

Note on data

You get the systems
and the data. If I
step away one day,
everything will still run.

Book a call

An example of growth system I set up:

STEP 01

Map your market

I build the full list of companies that fit you and score each one, so you know who to go after first.

Apollo

Ocean.io

Claude Code

CRM

STEP 02

Deep research each account + signals

Agents research every company on the list: what they sell, who they target, and what changed for them recently.

Tavily

Freckle

Sillage

Claude Code agents

STEP 03

Get on their radar

Content in your voice, and messages that use what the research found about each company.

Figma

Higgsfield

Claude Code

STEP 04

Multi-channel sequences

Email and LinkedIn sequences that run in the right order, until qualified calls land in your calendar.

lemlist

HeyReach

Cal.com

CRM

Book a call

I make sure that our systems can integrate with all your existing tools and platforms.

I also make sure that our systems can integrate with your existing tools.

Quotes from clients

Testimonials

"We knew chunks of our marketing needed to be changed. After a couple months, our conversion rate increased from 1.5% to 2.8%."

Pierre E. Branger

Sales lead - $2 billion val. fintech unicorn

"What stood out with Serge was that he took ownership from day one. He dug into our outreach, how it could be improved, and rebuilt the whole approach with two sales colleagues. And our email conversion almost doubled after 2 months!"

Pierre E. Branger

Sales lead - $2 billion val. fintech unicorn

"Our company Naker had just completed a fundraise to grow our sales & marketing. With Altscale and in just one month, we've got over $10,000 in potential revenue. Very well executed!"

Nicolas Jacques

Forbes Under 30 and CEO of Naker

"We needed to get more qualified leads for our startup Naker. Serge has built a growth engine for us and generated $10,000 in potential revenue in less than one month. The execution was on point!"

Nicolas Jacques

Forbes Under 30 and CEO of Naker

“I endorse Serge as a partner who’s done amazing work for our proptech venture for over a year and a half, including helping our startup raise funds and bringing real expertise in growth strategies and marketing.”

Steve Rodgers

Ex. Warren Buffet CEO - Prudential

" Serge managed to get hundreds of qualified leads for our company using AI and growth methods. This is quite impressive, we could not get these results with the traditional tools in the market. "

Flora Michalon

Co-founder of Iteration X, val. $24m

“Serge played a key role in growing our organic presence, bringing significant initiatives across our marketing and content strategy, and it’s a pleasure to work together.”

Marie Jehane

Global marketing lead, @Contentsquare - val. $5.6 billion.

Any questions?

Quick answers to the most common questions about our services.

Who do you work with?

I typically work with companies between 20 and 500 employees, across various sectors. Mostly in B2B.

What do you do?

I enable founders and teams to tap into proven (that I tested myself over many years) to grow their company on sales & marketing.

How long does it take to see results?

Clients are guaranteed to start getting results after the first month. e.g. first qualified leads, a system implemented...

What is your track record?

I have generated over $1.2 million in revenue from working with 25+ entrepreneurs (Steve Rodgers, former Warren Buffet CEO) or unicorns (Spendesk, Hotjar...).

Do you offer support along the way?

Yes, of course: either through WhatsApp, Email or via Google Meet, with myself, Serge.

What is your "workflow"?

This will depend on what the needs are. Please feel free to book a call with me and I will be able to share the exact workflow that is most suited.

Any questions?

Quick answers to the most common questions about our services.

Who do you work with?

I typically work with companies between 20 and 500 employees, across various sectors. Mostly in B2B.

What do you do?

I enable founders and teams to tap into proven (that I tested myself over many years) to grow their company on sales & marketing.

How long does it take to see results?

Clients are guaranteed to start getting results after the first month. e.g. first qualified leads, a system implemented...

What is your track record?

I have generated over $1.2 million in revenue from working with 25+ entrepreneurs (Steve Rodgers, former Warren Buffet CEO) or unicorns (Spendesk, Hotjar...).

Do you offer support along the way?

Yes, of course: either through WhatsApp, Email or via Google Meet, with myself, Serge.

What is your "workflow"?

This will depend on what the needs are. Please feel free to book a call with me and I will be able to share the exact workflow that is most suited.

Any questions?

Quick answers to the most common questions about our services.

Who do you work with?

I typically work with companies between 20 and 500 employees, across various sectors. Mostly in B2B.

What do you do?

I enable founders and teams to tap into proven (that I tested myself over many years) to grow their company on sales & marketing.

How long does it take to see results?

Clients are guaranteed to start getting results after the first month. e.g. first qualified leads, a system implemented...

What is your track record?

I have generated over $1.2 million in revenue from working with 25+ entrepreneurs (Steve Rodgers, former Warren Buffet CEO) or unicorns (Spendesk, Hotjar...).

Do you offer support along the way?

Yes, of course: either through WhatsApp, Email or via Google Meet, with myself, Serge.

What is your "workflow"?

This will depend on what the needs are. Please feel free to book a call with me and I will be able to share the exact workflow that is most suited.

Any questions?

Quick answers to the most common questions about our services.

Who do you work with?

I typically work with companies between 20 and 500 employees, across various sectors. Mostly in B2B.

What do you do?

I enable founders and teams to tap into proven (that I tested myself over many years) to grow their company on sales & marketing.

How long does it take to see results?

Clients are guaranteed to start getting results after the first month. e.g. first qualified leads, a system implemented...

What is your track record?

I have generated over $1.2 million in revenue from working with 25+ entrepreneurs (Steve Rodgers, former Warren Buffet CEO) or unicorns (Spendesk, Hotjar...).

Do you offer support along the way?

Yes, of course: either through WhatsApp, Email or via Google Meet, with myself, Serge.

What is your "workflow"?

This will depend on what the needs are. Please feel free to book a call with me and I will be able to share the exact workflow that is most suited.