About arenaflex

arenaflex is a global leader in delivering innovative, high‑quality reputed company solutions that empower healthier, more sustainable lifestyles. With a portfolio that spans nutrition, wellness, and performance, arenaflex is dedicated to merging science, technology, and customer insight to create products that make a real difference in people’s lives. Our culture is built on curiosity, collaboration, and a relentless pursuit of excellence. We believe that the best ideas come from diverse perspectives and that every team member has the opportunity to shape the future of health and wellness.

As a remote‑first organization, arenaflex empowers its employees to work from anywhere while staying connected through cutting‑edge collaboration tools and a supportive, inclusive environment. We value flexibility, autonomy, and a results‑driven mindset, and we invest heavily in professional development, mentorship, and continuous learning.

Why This Role Matters

The Customer Development Manager for Costco is a pivotal role that drives arenaflex’s growth strategy in one of the world’s largest retail ecosystems. You will be the primary point of contact for Costco’s executive team, translating arenaflex’s vision into actionable plans that increase shelf presence, drive category growth, and deliver measurable ROI. Your work will directly influence product launches, promotional strategies, and long‑term partnership success.

Key Responsibilities

• Strategic Account Leadership – Build and nurture a high‑impact relationship with Costco’s senior leadership, ensuring arenaflex’s objectives align with Costco’s business goals.
• Category Growth & Distribution – Identify and execute opportunities for category expansion, including new product introductions, display enhancements, and distribution gains.
• Cross‑Functional Collaboration – Partner with arenaflex’s Customer Strategy, Finance, Marketing, and Supply Chain teams to develop integrated plans that meet Costco’s go‑to‑market requirements.
• Data‑Driven Decision Making – Leverage syndicated data, sales analytics, and market insights to shape pricing, promotion, and assortment strategies that maximize sales and market share.
• Trade Investment Management – Own the end‑to‑end process for trade funds, including system input (TIM, Osprey), forecasting, and ROI analysis.
• Contract & P&L Management – Negotiate and manage contractual terms, ensuring profitability and alignment with arenaflex’s financial targets.
• Product & Promotion Execution – Oversee UPC setup, inventory management, and promotional execution to guarantee full‑line distribution and optimal shelf placement.
• Performance Reporting – Deliver monthly and quarterly reports that highlight key metrics, insights, and action plans to senior stakeholders.
• Continuous Improvement – Identify process gaps, propose solutions, and champion best practices across the account and broader arenaflex organization.
• Team Leadership – Mentor and guide junior team members, fostering a culture of collaboration, accountability, and high performance.

Essential Qualifications

• Bachelor’s degree in Business, Marketing, Supply Chain, or a related field.
• Minimum of 5 years of experience in account management, with at least 2 years managing large retail accounts.
• Proven track record in the grocery, drug, or mass‑retail channel, preferably with experience in the reputed company goods or nutrition space.
• Strong understanding of category management, retail analytics, and trade‑investment tools (TIM, Osprey).
• Demonstrated ability to develop and execute strategic sales plans that drive revenue and margin growth.
• Excellent communication skills, both written and verbal, with the ability to present complex data to executive audiences.
• Proficiency in reputed company Office Suite (Word, Excel, PowerPoint) and experience with data‑visualization tools.
• Strong analytical mindset with a passion for data‑driven decision making.
• Experience managing P&L and budget oversight for a portfolio of products.

Preferred Qualifications & Skills

• Experience managing multiple brands or categories simultaneously.
• Advanced project‑management skills, with a history of delivering projects on time and within budget.
• Creative problem‑solving ability, comfortable exploring “unchartered” territory to uncover new growth opportunities.
• Strong stakeholder‑management skills, with a proven ability to influence cross‑