Founding Growth Lead

An early-stage B2B SaaS startup in the marketing AI space is looking for a Founding Growth Lead to own end-to-end growth and product marketing. You’ll work directly alongside the founder as a true strategic partner - building the playbooks, running the experiments, and crafting the narratives that drive top-of-funnel momentum. This is a high-ownership, high-impact role at the ground floor of a fast-moving team.

This is a fully on-site role based in SoHo, New York City. No remote or hybrid arrangements are available., * Own product marketing end-to-end: launch strategy, messaging, coordinating launch videos and content with engineering and creative teams.

• Build and run an intimate events program for marketing leaders and founders - from concept and guest list through post-event follow-up.
• Serve as the founder’s #2 on growth, building the playbook while executing at sprint pace.
• Drive top-of-funnel growth through content creation, industry reports, and thought leadership to establish a leadership position in the space.
• Design, run, and analyze growth experiments end-to-end: hypothesis launch learnings, with rapid iteration.
• Build and manage agency and partnership relationships to drive distribution.
• Talk to customers regularly and feed insights back into product and marketing strategy.
• Create lightweight systems and playbooks to convert successful experiments into repeatable processes.
• Fill gaps, unblock problems, and ensure nothing falls through the cracks as the company scales.

Do you have experience in Startup experience?, Required:

• 3+ years in growth or product marketing roles at high-growth startups, with a track record of end-to-end ownership.
• Proven experience owning product marketing fully: defining features for launches, crafting messaging, and coordinating with engineering and video/creative teams.
• Experience running events programs for professional audiences (concept to execution to follow-up).
• Demonstrated ability to build and manage agency and partner relationships for distribution.
• Strong track record designing and running growth experiments with rapid iteration.
• Exceptional storytelling and messaging skills - able to translate complex ideas into sharp, compelling narratives.
• High adaptability; comfortable thriving in ambiguity and rapid change.
• US work authorization required (no visa sponsorship available).
• Available to work on-site in SoHo, NYC (no remote; no student applicants).

Nice to Have:

• Experience with AI/LLM technologies and applying AI to marketing or SEO workflows.
• Background in B2B SaaS marketing platforms or adjacent martech.
• Familiarity with tools such as SEO analytics platforms, CRMs, ad platforms, and AI search tools.