Highstock

We're hiring a Partner Manager to work directly with the Head of Growth. Supply is the gating factor for everything at Highstock. You'll own a growing portfolio of brand partners, keep them engaged and active on the platform, and build account management playbooks.

The role is suited for someone who genuinely enjoys managing relationships, moves quickly, and wants real ownership at an early-stage company. You'll see the full picture of how an AI-enabled marketplace business grows and have direct input on how we serve our partners.

Responsibilities

• Own a portfolio of brand partners serving as their day-to-day point of contact from onboarding through ongoing growth on the platform
• Keep partners engaged and active: drive listing volume, ensure inventory keeps flowing, and stay ahead of anything that could stall an account
• Run check-ins and business reviews with partners, sharing performance insights and recovery results
• Work with the Head of Growth to build and iterate on the account management systems, tooling, and playbooks the team runs on

Qualifications

• 2–5 years of experience in account management, customer success, or a client-facing role. B2B, marketplace, agency, or retail/CPG backgrounds all welcome
• Thrives in a fast-paced environment: comfortable juggling multiple accounts and shifting priorities without dropping balls
• Strong relationship builder and communicator, partners should trust you quickly and enjoy working with you
• Organized and detail-oriented, with a bias toward action and real ownership of outcomes
• Comfortable using data to spot risks and opportunities across your book of accounts
• Genuine interest in how AI tools can accelerate account research, outreach, and decision‑making
• Bonus: exposure to consumer, retail, CPG, product, or any inventory‑adjacent business context