Senior Manager of Brand Partnerships

Company Overview: Momentous is a dynamic, fast-growing human performance company offering the highest quality supplements designed to enhance physical and cognitive well‑being. At Momentous, we believe that people at their best will produce a positive impact in their personal lives, communities, and, ultimately, the world. No matter our customer's goal or what they want to achieve, we are on a relentless quest to help them get there.

We work with some of the greatest minds in science and athletic performance who tap into the latest research and real‑world experience to create a portfolio of products designed with one common goal—to help our customers be their best.

What we’re proud of:

• Best in the field. We have built an advanced network of world‑renowned experts in the field of human performance.
• Trusted and used by the best. We are honored to work with more than 150 teams in professional and NCAA sports, including Stanley Cup Champions, Tour de France winners, and all NFL Teams.
• Push what’s possible. Named to the prestigious Inc. 5000 list three years in a row (#392 in 2025) as one of the fastest‑growing companies in the US. Ranked #4 in the Rocky Mountain Region in 2025.

Position Summary: Momentous is seeking a Senior Manager of Brand Partnerships to serve as the senior steward of our most important external relationships, including elite athletes, experts, creators, and VIP collaborators. This is a high‑touch, high‑trust leadership role that blends white‑glove relationship management, strategic partnership planning, and cross‑functional execution.

Reporting to the Head of Brand, with a strategic dotted line to the Founder & CEO, this role acts as the connective tissue between Momentous leadership vision and best‑in‑class partner experiences. This is not a traditional sales or business development role. It is a premium relationship leadership position designed to make Momentous the easiest, most inspiring brand our partners work with.

• Own day‑to‑day relationship management for Momentous most strategic partners.
• Build trusted, long‑term relationships with partners and their teams, including agents, managers, and PR representatives.
• Serve as the primary point of contact for escalations, creative feedback, and evolving partner needs.
• Establish consistent communication cadences to ensure partners feel informed, valued, and energized.

• Develop annual and quarterly activation plans aligned with brand and commercial objectives.
• Identify opportunities to expand partnership scope across campaigns, content, product integration, events, and retail.
• Translate relationships into measurable outcomes, including brand lift, engagement, sales, and earned media.

• Lead internal alignment across Brand, Creative, Social, Growth, eCommerce, Retail, PR, and Product teams.
• Ensure deliverables, timelines, approvals, and expectations are clearly defined and flawlessly executed.
• Act as the internal advocate for partners, providing context and clarity to drive high‑quality, on‑brand execution.

• Work in close partnership with Founder Jeff Byers on high‑level partner relationships and introductions.
• Ensure seamless handoff from leadership vision to operational excellence.

• Track and report on partnership performance against defined KPIs.
• Deliver recap reports and strategic insights to leadership.
• Partner with Legal and Finance to support contracting, payments, usage rights, and FTC compliance.

• Partners describe Momentous as the most seamless, professional, and rewarding partnership in their portfolio.
• Tier 1 relationships deepen year over year, with expanding scope and organic advocacy.
• Internal teams experience clarity, efficiency, and alignment in partner activations.

• Bachelor’s degree in Marketing, Communications, Business, or related field.
• 7+ years of experience in brand partnerships, talent relations, client services, or brand marketing.
• Proven success managing high‑profile partners and complex…