The Senior Director, Membership & Market Development is responsible for growing and retaining Health Evolution's Enterprise Membership and Partnership base. This individual owns a book of prospective and current Members — identifying and cultivating relationships with CEOs and C-suite executives, guiding them through the membership sales cycle, and managing the renewal process to protect and grow recurring revenue. The role partners closely with the EVP, Membership & Market Development and works cross-functionally with Marketing, Member Experience, and Curation teams to ensure a seamless prospect-to-Member journey. This role reports directly to the EVP, Membership & Market Development, and works alongside other members of the Membership team responsible for new sales, renewals, and Member engagement.Key ResponsibilitiesOwn a pipeline of prospective Enterprise Members and Corporate/Strategic Partners across payer, provider, and life sciences organizations, from first outreach through signed agreement.Manage the full sales cycle for new membership opportunities: outbound prospecting, discovery calls, benefit and pricing presentations, proposal development, and contract close.Lead the annual renewal process for an assigned portfolio of Members, including tracking renewal timelines, identifying at-risk accounts, and building retention plans.Build and maintain relationships with CEOs, C-suite executives, and their offices, serving as a trusted point of contact throughout the membership lifecycle.Identify upsell and expansion opportunities within existing Member accounts (e.g., additional Member seats, Partnership upgrades).Maintain accurate and current pipeline, account, and forecast data in Salesforce.Collaborate with Marketing on outbound campaigns, referral programs, and lead follow-up to keep the top of funnel full.Partner with the Member Experience and Curation teams to ensure new Members are successfully onboarded and existing Members remain engaged ahead of renewal.Represent Health Evolution at the Summit, Connect, and select Forum Roundtables to deepen prospect and Member relationships in person.Contribute to pricing, packaging, and benefit strategy discussions based on market and prospect feedback.Mentor and provide guidance to junior members of the Membership team as the function growsWhat Success Looks LikeConsistent achievement of new membership sales targets and quarterly pipeline goals.Strong renewal rate across an assigned portfolio of Enterprise Members and Partners.Accurate, up-to-date forecasting that gives leadership visibility into new and renewal revenue.Deep, durable relationships with Member CEOs and their offices that translate into referrals and expansion.