Chief Marketing Officer (Web3) - External

Join to apply for the Chief Marketing Officer (Web3) - External role at Serotonin

We’re enabling global builders, fintechs and integrators to launch and connect programmable “digital dollars” in an interoperable, composable network—providing liquidity, on‑chain governance and institutional‑grade safeguards for a new era of finance. If you’re driven by redefining money, infrastructure, and scale‑driven marketing, this is the opportunity to shape not just a brand, but a foundational movement.

As Chief Marketing Officer, you will be the architect of a global brand narrative that bridges innovation, trust, and impact. You’ll lead a multidisciplinary team to craft and execute data‑driven marketing strategies that elevate awareness, drive adoption, and position the organization as the category leader in digital asset infrastructure. This role demands a visionary marketer—someone equally fluent in strategy and storytelling, who can translate complex technology into human‑centered messages that resonate across enterprises, developers, regulators, and institutional partners.

Key Responsibilities

• Marketing Strategy & Vision: Develop and execute a comprehensive marketing strategy—spanning community, content, events, and partnerships—to drive network growth and user adoption, aligning initiatives with business objectives.
• Brand Narrative & Positioning: Craft and champion the brand narrative and positioning, creating a clear, compelling story that resonates with users, partners, and the broader Web3 community.
• Community Building: Lead community growth and engagement across Discord, Twitter (X), Telegram, and other platforms—building a vibrant community from the ground up and fostering trust and excitement among early adopters.
• Content & Campaigns: Drive creative marketing campaigns and content initiatives that boost user engagement and retention, overseeing content creation and educational resources.
• Public Relations & Communications: Manage all PR and communications efforts to position the company as a thought leader, securing strategic media coverage, speaking opportunities, and serving as the public face of the brand at conferences and AMAs.
• Partnerships & Ecosystem Growth: Forge strategic partnerships across the Web3 and DePIN ecosystem to amplify reach and utility, collaborating with other projects, protocols, and influencers on co‑marketing initiatives.
• Team Leadership: Build and mentor a high‑performing marketing team, fostering a culture of creativity and data‑driven experimentation, and leading by example as a hands‑on marketer and mentor.
• Metrics & Optimization: Establish clear KPIs and success metrics for all marketing efforts, continuously analyze performance data to inform decisions and iterate quickly on campaigns based on insights.

Key Requirements

• Experience: 10+ years of marketing experience with a strong track record in leadership roles, including significant exposure to high‑growth tech or Web3 startups.
• Web3 Launch Expertise: Proven success in launching major blockchain products or networks and growing communities from inception to scale.
• Blockchain & DePIN Knowledge: Deep expertise in blockchain technology, decentralization principles, and emerging Web3 trends like DePIN, fluent in crypto culture and communities.
• Strategic & Innovative Mindset: Visionary strategist who can see the big picture while also getting hands‑on, willing to experiment with novel approaches to spark growth.
• Communication & Public Presence: Exceptional storytelling and writing skills, bold communicator who can inspire action through clear messaging, and confident public speaker.
• Leadership & Team Building: Proven ability to lead and inspire high‑performing marketing or community teams, fostering a collaborative, results‑driven culture.
• Data‑Driven Approach: Metrics‑focused mindset with proficiency in analytics tools to measure campaign performance and iterate quickly.
• Network & Relationships: Extensive network and credibility in the Web3/crypto space with relationships across media, key opinion leaders, and community influencers.