Marijn Kouw
Founder Clay Certified Agency | RevOps, GTM & Growth
Hey there! I'm the founder of LeadGem, where we’re all about helping businesses scale their Marketing & Sales efforts through smart systems.
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🚀 🪄 What We Do at LeadGem: We develop and incorporate B2B lead generation systems. Our expertise includes personalized outbound marketing, account-based marketing, signal-based prospecting, and database enrichment. Our AI-driven, systematic approach merges cutting-edge tools with the expertise of senior specialists to ensure unmatched efficiency and effectiveness. 🤑 Growing Together: When you win, we win. LeadGem's outcome-centric, commission-based pricing ensures we're invested in your success every step of the way. ✨ A bit about me: With extensive B2B growth marketing experience and a passion for new technologies and entrepreneurship, I left the agency world to focus on AI-centered systems for lead generation. I find satisfaction in helping businesses grow, solving strategic challenges, and delivering efficient, impactful solutions. 💪 Key Skills: - B2B Lead generation - Outreach automations - LinkedIn (Paid media) - E-mail marketing - Conversion rate optimisation - Conversion focused copywriting - AI Prompting 🤖 Tools: - HubSpot - Clay - Pipedrive - Zapier - Smartlead - LaGrowthMachine
GTM Index
- LEADGEMJOB
- Founder2Y 6M
Founder | B2B Growth & GTM Specialist | Clay Expert
LeadGem
At LeadGem we develop and incorporate B2B lead generation systems. Our expertise includes personalized outbound marketing, account-based marketing, signal-based prospecting, and database enrichment. Our AI-driven, systematic approach merges cutting-edge tools with the expertise of senior specialists to ensure unmatched efficiency and effectiveness.
- QUARTERMASTER CALIFORNIAJOB
- Fractional Head of Mktg &…1Y 11M
Fractional Head of Marketing & GTM
Quartermaster California
As the Fractional Head of Marketing at Quartermaster California, I drive strategic marketing and outreach initiatives with a strong focus on Account-Based Marketing (ABM) campaigns. Leveraging smart automation and data-driven insights, I optimize engagement and conversion, ensuring our efforts are both scalable and highly targeted.
- SPRINTS & SNEAKERS | HIRING ⚡️ | GROWTH HACKING AGENCYJOB
- Growth Marketer GTM (B2B)…2Y
Growth Marketer GTM (B2B) & Website Lead
Sprints & Sneakers | Hiring ⚡️ | Growth Hacking Agency
As Senior Growth Hacker within the B2B team, my primary focus lies in actively facilitating rapid, sustainable growth for our partners through scalable experimentation. I specialize in orchestrating LinkedIn and email outreach initiatives, as well as crafting and executing Account-Based Marketing campaigns tailored to our enterprise partners.
- ENDEAVOUR HEROESJOB
- Growth Marketer & GTM Spec…1Y
Growth Marketer & GTM Specialist
Endeavour Heroes
Growth Marketer & Go-to-Market Specialist at Endeavour Heroes, driving rapid expansion through systematic experimentation. Delivered measurable growth for B2B clients, including Aimy (barbershop SaaS), Highstreet Mobile (e-commerce platform, acquired by NewStore), and Hello New You (professional training).
- BOL.COMJOB
- Partner Performance Mgr4M
Partner Performance Manager
bol.com
Partner Performance Manager at Bol.com, managing performance standards across 23,000+ marketplace partners. Ensured partner compliance and customer satisfaction through systematic performance monitoring and optimization.
- NOBEARSJOB
- Growth Marketer8M
Growth Marketer | GTM Specialist
NOBEARS
Founded and launched Level Skincare as NoBears' first internal startup. A subscription-based skincare brand. Led end-to-end go-to-market execution including market validation, brand development, digital marketing strategy, and content creation.
- CAVALLARO NAPOLIJOB
- Sales Advisor5M
Sales Advisor
CAVALLARO NAPOLI
- ARAG LEGAL TECH STUDIOJOB
- Intern inovation4M
Intern inovation
ARAG legal tech studio
Working with a small team to help ARAG innovate on different areas including but not limited to chatbots and automated claim coverage.
- Job: LeadGem — Founder | B2B Growth & GTM Specialist | Clay Expert · 2024-02 – present — At LeadGem we develop and incorporate B2B lead generation systems. Our expertise includes personalized outbound marketing, account-based marketing, signal-based prospecting, and database enrichment. Our AI-driven, systematic approach merges cutting-edge tools with the expertise of senior specialists to ensure unmatched efficiency and effectiveness.
- Job: Quartermaster California — Fractional Head of Marketing & GTM · 2024-09 – present — As the Fractional Head of Marketing at Quartermaster California, I drive strategic marketing and outreach initiatives with a strong focus on Account-Based Marketing (ABM) campaigns. Leveraging smart automation and data-driven insights, I optimize engagement and conversion, ensuring our efforts are both scalable and highly targeted.
- Job: Sprints & Sneakers | Hiring ⚡️ | Growth Hacking Agency — Growth Marketer GTM (B2B) & Website Lead · 2022-02 – 2024-02 — As Senior Growth Hacker within the B2B team, my primary focus lies in actively facilitating rapid, sustainable growth for our partners through scalable experimentation. I specialize in orchestrating LinkedIn and email outreach initiatives, as well as crafting and executing Account-Based Marketing campaigns tailored to our enterprise partners.
- Job: Endeavour Heroes — Growth Marketer & GTM Specialist · 2021-02 – 2022-02 — Growth Marketer & Go-to-Market Specialist at Endeavour Heroes, driving rapid expansion through systematic experimentation. Delivered measurable growth for B2B clients, including Aimy (barbershop SaaS), Highstreet Mobile (e-commerce platform, acquired by NewStore), and Hello New You (professional training).
- Job: bol.com — Partner Performance Manager · 2020-10 – 2021-02 — Partner Performance Manager at Bol.com, managing performance standards across 23,000+ marketplace partners. Ensured partner compliance and customer satisfaction through systematic performance monitoring and optimization.
- Job: NOBEARS — Growth Marketer | GTM Specialist · 2019-02 – 2019-10 — Founded and launched Level Skincare as NoBears' first internal startup. A subscription-based skincare brand. Led end-to-end go-to-market execution including market validation, brand development, digital marketing strategy, and content creation.
- Job: CAVALLARO NAPOLI — Sales Advisor · 2018-08 – 2019-01
- Job: ARAG legal tech studio — Intern inovation · 2017-09 – 2018-01 — Working with a small team to help ARAG innovate on different areas including but not limited to chatbots and automated claim coverage.
- School: Growth Tribe Academy — Growth Hacking immersive, Growth Hacking
- School: Fontys University of Applied Science Tilburg — Bachelor's degree, Digital Business Concepts
- School: 숙명여자대학교 — International exchange student, Economics
- School: Fontys University of Applied Science Eindhoven — Computer Science
- School: Bisschop Bekkers — Havo met E&M richting, Economie en Maatschapij
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