Dimastrata
B2B SaaS marketing leader
Marketing that pays back.
Fractional CMO for B2B SaaS founders who need senior go-to-market leadership without a full-time hire. Fifteen years, four exits, strategy first, then the tactics that prove it.
Fractional CMO
Operating Advisor
Mentor & Coach
Public Speaker
Rolf Tjalsma
Fractional CMO · Operating Advisor
Previously
CMO at Mobilexpense, 9-figure exit to Visma, 2024
Track record
$300M+ aggregate deal volume
Focus
B2B SaaS, from seed to exit
Based
The Netherlands, working remotely worldwide
Track record in numbers
9
Companies advised as fractional CMO
4
Successful exits
$300M+
Aggregate deal volume
15+
Years operating in B2B SaaS
Worked with and for
How I work with you
One senior marketer, a few days a week.
Fractional CMO
I own strategy and the team for a few days a week, and stay until the engine runs on its own.
Operating Advisor
I work with founders, boards and investors on go-to-market decisions, hires and the plan behind the numbers.
Mentor & Coach
I coach founders and leaders on growth, leadership and exits, using deals I have run myself.
Public Speaker
I speak at events and conferences on scaling B2B software and what the road to an exit takes.
Track record
Companies I helped grow, and what happened next.
Operator
2023 to 2025
Mobilexpense
CMO, then CRO Nordics
9-figure exit
Sale to Visma, 2024
Full GTM charter on the management team. 30% YoY ARR growth on a flat budget, team scaled from 3 to 12 with 100% retention, and I ran the M&A data room through the acquisition.
Operator
2025 to 2026
Aproplan / LetsBuild
Fractional CMO
Dec 2025
Sale to Causeway Technologies
Built Geniebelt’s GTM from scratch, then untangled six years of intertwined HubSpot automation and rebuilt it around Aproplan.
Operator
2013 to 2016
eVision / Enablon
Marketing Manager
$145M
Sale to Wolters Kluwer
First marketer at eVision. Built the first GTM strategy in Control of Work while the team grew from 40 to 250 and revenue moved from $5M to $50M.
Operator
2017 to 2020
Onventis / WorkFlowWise
Senior Marketing Manager
10% to 90%
Inbound share of net-new revenue
Led the marketing transformation of 20/20 Vision Europe into WorkFlowWise and helped steer the business through the 2020 acquisition by Onventis.
Investor
2025
Fortino Capital
Senior Operating Advisor
Portfolio
GTM Summit and advisory
Independent growth partner to Fortino’s B2B SaaS portfolio. I organised a GTM Summit for all commercial roles in the network and advise on marketing strategy and hires.
Operator
2026 to present
Penbox
Fractional CMO
AI-native
Repositioning and PLG stack
Sole marketer for a Belgian B2B SaaS platform. Repositioning, website relaunch, GEO strategy for AI search and a PLG martech stack.
People who worked with me
What they say.
“What sets Rolf apart is his 360-degree approach to marketing. Unlike many consultants I’ve come across, he thinks holistically and goes above and beyond the job at hand.”
Sara Stella Lattanzio
Marketing Leader
“His exceptional listening skills created an environment where team members felt truly heard and valued. This not only built trust but also empowered us to perform at our best.”
Chris Mansson
Marketing & Sales Leader
“Rolf’s mentorship, supportive guidance, and ability to create a collaborative team environment had a lasting impact on both me and the team’s success.”
Stella Jee
Product Marketer
Public speaking
On stage and in the room.
I speak and run workshops on go-to-market, scaling B2B software and the road to an exit. Real numbers, real examples, a clear next step for the audience.
Off stage
Father of two, friend of founders.
I live near The Hague with my family, and we travel whenever we can. The founders and operators I work with tend to become friends and recurring collaborators.
Get in touch
Don’t ask me to fix your problem. Let’s talk about how you don’t get stuck there again.
Tell me where you are and where you want to go. I reply personally.
Dimastrata
© Dimastrata 2026