REFERENCES & TESTIMONIALS

Named. Verifiable. B2B growth references on LinkedIn.

15 recommendations from the people I've built pipeline with — marketing, sales and data leads at Atlassian, Sharefox, Sphere, AppJobs, Tooploox and more. Every one is public on LinkedIn.

AllStartup (<50 FTE)Scale-up (50–200)Mid-market (200–2,000)Enterprise (2,000+)
Enterprise · 10,000+
I had the pleasure of working closely with Michal during our time at Atlassian, where he was instrumental in bridging the gap between raw data and marketing strategy. He has a rare ability to not only handle technical data, but to translate it into actionable growth opportunities. Beyond his technical skills, Michal is a reliable and proactive teammate who brings a positive, goal-oriented energy to every project.
Celia SanchezCelia SanchezSenior Marketing Manager · Atlassian
Mid-market · 200–2,000
Michal is a full stack marketer. His deep expertise spans SEO, generative AI, AI tools, CRM systems, and the full martech stack — he seamlessly connects performance marketing with ABM strategies. He's a true team player, professional, and outstanding communicator, great with deadlines, hitting goals and collaborative.
Adin HericAdin HericHead of Marketing · Sphere
Mid-market · 200–2,000
Michal is a highly accomplished marketing executive. He has a great ability to quickly execute targeted and successful digital campaigns that produce results. Michal is an expert user of critical tools such as HubSpot, Apollo, Lem List and other supporting technologies.
Joe NestoryJoe NestoryHead of Sales · Sphere
Scale-up · 50–200
A true SEO wizard and automation tools expert, Michal's work speaks volumes about his skills and dedication. His understanding of inbound marketing is exceptional. He understands how to utilize cost-effective methods that produce good results. Michal is not just a problem-solver, but also a team player.
Christian WilkensChristian WilkensMarketing Manager · Sharefox
Startup · <50
I strongly recommend Michal for the position of sales/marketing/managing customer service. We were working together in a very fast start-up environment and we achieved a lot of successes because of Michal's very good sales and marketing skills.
Piotr JaniszewskiPiotr JaniszewskiHead of Marketing · Beyli
Mid-market · 200–2,000
Michal is a true professional and I can't recommend him highly enough. He's been a very dedicated person willing to explore new areas of digital marketing and outreach strategies. His strongest competencies include crafting long-term marketing strategies with a focus on marketing automation.
Kinga BieleckaKinga BieleckaHead of Partnerships · Tooploox
Mid-market · 200–2,000
I worked with Michal in the sales team — he was a connection between our and the marketing team. Michal is an outstanding digital marketer with a vast knowledge about marketing channels, automation, or campaign planning. He is very goal-oriented.
Kasia KaminskaKasia KaminskaHead of Sales · Tooploox
Mid-market · 200–2,000
Michal is an amazing guy, not only a very professional but also a very friendly and kind person. I always admire Michal's communication and analytical skills — he is very efficient in communicating clearly, his observations are spot on and he can nail the essence of the matter.
Szymon StomaSzymon StomaHead of AI · Tooploox
Mid-market · 200–2,000
Ridiculously dedicated. Michal puts his heart and soul into the projects he takes on and the results speak volumes. He's extremely motivated and impressively organised. Nothing was ever impossible — his mindset is that it's always a matter of finding the right way to solve the challenge at hand.
Beata PatfieldBeata PatfieldHead of Sales · Tooploox
Startup · <50
Michal joined TechTree as the 1st growth hire, looking at both marketing and partnerships. He delivered value and was a great team member. He is well-organized, super smart, and has the ability to create solutions to complex business challenges.
Laurence Sangarde-BrownLaurence Sangarde-BrownHead of Sales · TechTree
Startup · <50
I worked with Michal in Beyli Dental, where he was Head of Sales. Michal is a well-organized, goal-oriented manager, always eager to search for improvements, open to new ideas. I especially appreciated his communication skills: always giving clear requirements and returning with suitable feedback.
Wojciech KaraśWojciech KaraśData Manager · Beyli
Scale-up · 50–200
Michal is a great digital marketing strategist. What I truly appreciate about our collaboration is that he understands the high-impact that quality content can have. His easy going, yet professional demeanor makes him a great guy to work with.
Alex Bitu-TudoranAlex Bitu-TudoranMarketing Specialist · AppJobs
Scale-up · 50–200
Michal was one of the best digital marketing managers I have worked with. His strategies were excellent and he understands how to push those he manages to be better. His willingness to help made me even more motivated to do the best job that I could.
Onajite OmareOnajite OmareContent Writer · AppJobs
Scale-up · 50–200
Michał is truly a one-man-army who can set up a well-performing B2B marketing strategy from the scratch and execute it in a timely manner. Highly professional expert, who understands both sides of the business — sales and marketing.
Piotr ManikowskiPiotr ManikowskiHead of Partnerships · AppJobs
Scale-up · 50–200
Michal is a motivated, forward-thinking and intelligent Digital Marketing Manager who has lots of knowledge in his field. His hands-on strategy towards B2B lead generation, team management, problem-solving, and strong personality gained him the respect of the team.
Magdalena Wierzbicka HaintzeMagdalena Wierzbicka HaintzeHead of Sales · AppJobs
SIGNED REFERENCE LETTERS

Three employers put it in writing.

AppJobsSIGNED PDF
AppJobs reference letter B2B marketing strategy built from scratch across global markets. Open signed PDF →
SharefoxSIGNED PDF
Sharefox reference letter Full go-to-market engine: +230% YoY sales, +500% organic traffic. Open signed PDF →
IFS AeroSIGNED PDF
IFS Aero reference letter Lead generation across SEO, SEM, content and marketing automation. Open signed PDF →

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