Justine Herlin

I help startups and SMBs create marketing engines that scale with discipline and repeatability, from the first foundations (0→1) to mature, predictable systems (1→5+). ↗️ Fractional Founding Marketer | NexTrend February 2026- Present ↗️ Senior Marketing Advisor | Rézo (edtech) Apr 2024 - April 2026 Strategic advisor for edtech startup (Seed stage). Advising founders on product strategy, GTM and recruiting their marketing co-founder. ↗️ MarTech & RevOps | Multi-client retainers Mar 2021 - Present · 5 yrs Design, repair, and scale MarTech infrastructure for 10+ nonprofits, SMBs, and early-stage startups. Typical engagements: 3-12 month retainers focused on CRM migrations, lifecycle marketing, internal collaboration workflows, website creation, marketing trainings & more). • Ownership: MarTech strategy, vendor selection, implementation, system architecture, training • Team: Lead operator with client teams + freelance technical specialists • Tech stack management: Claude, Zoho Marketing Plus, Zoho CRM, Hubspot, Brevo, MailChimp, WordPress (Elementor/Divi/Flatsome), Webflow, WooCommerce, Airtable, Monday, Zapier, Heyreach, Apollo, Snitcher, & more. ↗️ Fractional CMO | Founding Marketer & Growth Advisor | Women as One (Education & Talent marketplace) Mar 2021 - Apr 2023 · 2 yrs 2 mos No MarCom function, experiments led by Managing Director. First marketing hire. Built 0→1 marketing function (Mar 2021 - May 2022), then transitioned to Growth Advisor (May 2022 - Apr 2023) focused on product-led growth and international expansion. Started with MarCom, quickly expanded to own full function including product development and IT coordination within 3 months. • Ownership: Full marketing function, growth strategy, MarTech, product development, product marketing • Team: Led 8–10 external vendors and freelancers + hired first in-house marketer Skills: B2B2C Marketing · Lead Generation · Marketing Strategy · Brand Marketing · Product Marketing · Marketing Communications · Go-to-Market Strategy · Growth Strategies · Software Product Management · Entrepreneurial Organizations · Team Building · RevOps · MarTech · B2B Marketing · B2C Marketing · Lifecycle marketing · Growth Strategies

Led multi-channel lead gen/acquisition campaigns across five brands at Europe’s leading climate innovation agency, scaling visibility and program sign-ups across multiple audiences during COVID disruption. • Ownership: Digital acquisition, branding, campaigns, partner enablement, content ops • Team: Player-coach across comms, brand, education, program teams (20+ stakeholders) Skills: B2C Marketing · Lead Generation · Marketing Strategy · Strategic Communications · Marketing Communications · Growth Marketing

Built and led the global social media department 0→5+ FTEs, and served a portfolio of 6+ B2B/B2C brands. • Ownership: Team leadership, social media mentoring and training, workflows, hiring, cross-brand execution • Team: Built and led 5+ FTEs; partnered with HR, brand, marketing, regional/brand heads, recruitment Skills: B2C Marketing · B2B Software · Cross-functional Team Leadership · Multi-cultural Team Management · Multicultural Team Building · Digital Marketing · Social Media Strategy · Social Media Communications · Content Strategy · Marketing Strategy

Strategic marketing support to launch a new product in an untapped market. Skills: B2B Marketing · Marketing Strategy · Branding & Identity Marketing · Web Development

Hired for France, expanded to multi-region ownership, 4 months after first day. Managed 15+ accounts across 5 regions (Global, Spain, France Latam, Asia) and languages, 10M+ followers. • Ownership: Multi-region content, community building and engagement, campaigns, localization Skills: B2C Marketing · Social Media Marketing · Social Media Communications · Social Media Measurement · Social Media Outreach · Community Engagement · Community Building · Community Development · Strategic Content Development · Team Training

Supported new and existing SMB EMEA advertisers & agencies in optimizing their campaign strategies, resulting in increased ROI. 🌐 Market scope: France - additional support to Spain & ROE Skills: B2C Marketing · Social Media Advertising · Facebook Marketing · Facebook for Business · Facebook Fan Page Strategies · Facebook Ads · Facebook Pixel · Digital Strategy

Developed and executed inbound marketing strategies (SEO, influencer partnerships, email, and social media) to drive market expansion and lead generation. Skills: B2C Marketing · Marketing Strategy · Social Media Marketing · Social Media Optimization (SMO) · Content Marketing · SEO · Off-Page SEO · On-Page SEO · On-Page Optimization

Developed and executed an email marketing strategy to increase student engagement and drive book sales, leveraging A/B testing, and UI optimization to improve conversions. Skills: B2C Marketing · Marketing Strategy · Email Marketing · Social Media Marketing

Led and implemented a strategic communications plan to increase traffic and ticket sales for Lille’s largest indoor park, leveraging local partnerships, events, press coverage, and community engagement. Skills: B2C Marketing · Marketing Strategy · Event Marketing · Event Management · Social Media Marketing