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About Aterous Group
Operator experience.
Zero fluff.
We're a GTM consulting firm built specifically for cybersecurity and AI startups. We've been inside these industries — not advising from a distance. That's the difference between strategy that looks good in a deck and strategy that actually works.
Why We Exist
Early-stage cybersecurity and AI companies deserve better than generic GTM advice.
Most GTM consultants learn your industry from the outside. They bring frameworks built for SaaS broadly and try to fit them to markets that don't work that way. Cybersecurity buyers are skeptical and technical. AI buyers are navigating a market that's moving faster than the category frameworks can keep up with.
We founded Aterous Group to change that — bringing operator-level marketing and sales expertise built inside these industries directly to the startups that need it most. No ramp-up time. No recycled playbooks. Just purpose-fit strategy grounded in how your buyers actually think and buy.
Built inside, not advised from outside
Our team has held leadership roles inside cybersecurity and AI companies. We know the buyer, the competition, and the market because we've lived it.
Strategy that actually ships
We don't stop at the deck. We embed with your team and build the content, campaigns, infrastructure, and programs that move from plan to live.
Right-sized for where you are today
We build what you can actually execute with the team and budget you have now — not what a Fortune 500 org would do. Practical over perfect, every time.
The Team
The people behind
the work.
Deep operator experience across marketing, sales, and go-to-market — built inside the industries we serve, not learned from the outside.
Marc Brown
Co-Founder & CEO
Marc brings deep marketing and GTM leadership experience built inside cybersecurity and AI companies. He has built marketing organizations from the ground up — defining positioning, launching demand generation engines, and scaling programs that drive real pipeline and revenue. Marc founded Aterous Group to give early-stage companies access to strategic marketing and sales expertise typically reserved for larger organizations.
Lena A.
Co-Founder & CMO
Lina is a partner at Aterous Group, bringing expertise in marketing strategy, content development, and demand programs specifically tailored to cybersecurity and AI companies. She works hands-on with clients to build the content ecosystems, social strategies, and social proof programs that elevate brand credibility and accelerate the buyer journey. Lina's work bridges strategy and execution — ensuring that great ideas actually make it into market.
Andrada Cirjeu
Marketing Programs Lead & Consultant
Andrada brings hands-on experience designing and running marketing programs across demand generation, content, and digital channels. She works with Aterous Group clients to translate strategy into execution — building the programs, frameworks, and campaign infrastructure that generate real pipeline. Andrada's advisory role spans program design, content development, and the operational detail that separates a marketing plan that looks good on paper from one that actually runs.
Naruedi Poomprasart
Sales Consultant & APAC Advisor
Naruedi brings deep enterprise sales experience across Southeast Asian technology markets, with a particular focus on high-growth cybersecurity and AI startups. She helps Aterous Group clients navigate complex enterprise buying cycles in APAC — identifying the right stakeholders, building trusted relationships, and designing the sales programs that generate qualified pipeline in markets that require a fundamentally different approach. Naruedi is central to Aterous's expansion into the Asian cyber and AI startup ecosystem, where demand is accelerating and the right local expertise makes all the difference.
Why Aterous
What makes us
different.
We've built and led marketing and sales organizations inside cybersecurity and AI companies. We know what works — and what looks good in decks but fails in the real world.
Deep sector expertise
We speak cybersecurity and AI fluently. No ramp-up time — we understand your buyers, competition, and market dynamics on day one.
Right-sized for startups
We build what you can actually execute with the team and budget you have today — not what a Fortune 500 marketing org would do.
Strategy + execution
We don't just advise. We deliver — content, campaigns, HubSpot builds, playbooks, and programs that actually launch.
Integrated across sales & marketing
Marketing without sales alignment is noise. We ensure your entire revenue engine is working from the same playbook.
Real expertise. Not recycled AI output.
We use AI like every modern team does — to move faster and deliver more value. But what we bring you is purpose-fit strategy built from genuine human expertise in your market.
87%
of clients see qualified pipeline growth within 90 days
3–6 mo
to first GTM impact
100%
custom — no templates
No retainer lock-ins.
We earn your business every month. Engagements are structured around outcomes, not contracts designed to keep you paying.
How We Work
From discovery to
measurable results.
Discovery
We go deep on your business, buyers, competitive landscape, and current GTM state. No assumption left unchecked.
Strategy
We deliver a clear, prioritized GTM roadmap — positioning, channels, programs, and quick wins mapped to your goals.
Build
We execute alongside your team — content, HubSpot, campaigns, and programs go from plan to live.
Optimize
We measure, learn, and iterate. Every program improves based on data — and you can see exactly what's moving the needle.
Work With Us
Ready to close the
GTM gap?
Let's spend 30 minutes understanding where you are and where you need to go. No pitch — just a real conversation.